职称英语(理工类)阅读理解小抄_共50篇_职称英语小抄全面

职称英语(理工类)阅读理解小抄_共50篇由刀豆文库小编整理，希望给你工作、学习、生活带来方便，猜你可能喜欢“职称英语小抄全面”。

（一）Ford abandons electric vehicles（福特放弃电动汽车）1.What have the Ford motor company, General Motor's and Honda done concerning electric cars?

C They have given up producing electric cars.2.According to Tim Holmes of Ford Europe, battery-powered cars B will not be the main transportation vehicles in the future.3.Which' auto `manufacturers are still producing electric vehicles?A Toyota and Nian.4.According to the eighth paragraph, hybrid carsC run more miles than petrol driven cars.5.Which of the following is true about the hope of car manufacturers according to the last paragraph?

D The legislation will allow more low-emiion to be produced.（二）World Crude Oil Production May Peak a Decade Earlier Than Some Predict（世界原油产量可能提前十年达到峰值）1.Which of the following is closest in meaning to the word “Sparked” Appearing in paragraph 2?” B stimulated

2.The term “a bell shaped curve” appearing in paragraph 2 indicates that global oil production will

D start to decline after global oil production peaks.3.Which of the following is NOT true of the Hubbert model? D It provides a very realistic and accurate oil production.4.What is the major achievement of the new study mentioned in the last paragraph?

A It predicts global oil production will peak in 2014.5.Who develop the new version of the Hubbert model? B Kuwaiti scientists.（三）Citizen scientists（公民科学家）

1.Ecologists turn to non-scientist citizens for help because they need them

C to collect data of the life cycle of living things.2.What are citizen scientists asked to do?

B To send their research observations to a profeional database.3.In “All that's needed to become one...(paragraph2)” , what does the word “one” stands for B a citizen scientist.4.What is NOT true of Project BudBurst? A Only experts can participate in it..What is the final purpose of Project BudBurst?

D To investigate how plants and animals will respond as the climate changes.（四）Motoring technology（汽车技术）

1.What are researchers interested in doing as the road accidents worldwide increase to a shocking rate?

C They focus their research on safety and new fuels.2.According to the second paragraph, most road accidents happenB because drivers make mistakes.3.Which of the safety developments is NOT mentioned in the paage?

D Windscreens that can help drivers to improve their vision.4.What is NOT the purpose of innovations that use satellite tracking and remote communications?

C To call for help when the car gets jammed in the traffic.5.What is true of robotic drivers?

A It will take some time before robotic drivers can be put to practical use.（五）Late-night drinking（在深夜饮咖啡）1.The author mentions “pick-me-up” to indicate thatC coffee is a stimulant.2.Which of the following tells us how caffeine affects sleep? C Caffeine halves the body's levels of sleep hormone.3.What does paragraph 3 mainly discu?

A Different effects of caffeinated coffee and decaf on sleep.4.What does the experiment mentioned in paragraph 4 prove?D Caffeine drinkers produce le sleep hormone.5.The author of this paage probably agrees thatB we should not drink coffee after supper.（六）Making Light of Sleep（不要太在意睡眠）2012新增.The clock located inside our brains is similar to our bedside alarm clock because

B it has a cycle of 24 hours.2.What is implied in the second paragraph?

C Children before puberty tend to fall asleep earlier at night than adolescents.3.In the third paragraph the author wants to tell the reader that

B staying up late has a bad effect on teenagers' ability to think and learn.4.Which of the following statements is NOT true according to the fourth and fifth paragraphs?

C Our internal clock as well as the alarm clock can be reset automatically.5.According to the last two paragraphs，what did the previous researchers think about the human eye's light-sensing system?

B The human eye had one light-sensing system.（七）Sugar power for cell phones（用糖为手机发电）

1.According to the first paragraph, when can we share our sweet drinks with our cell phones?

C When the technology of a new type of fuel cell is suitable for ma production.2.What trouble did Minteer and Klotzbach have in their research?A They had trouble keeping enzymes in fuel cells active.3.According to Paragraph 5, electrons are released

C when the enzyme oxidizes the glucose from a sugary liquid that goes through a pocket.4.What is exciting about the new fuel cells?

B Their limited power generation capacity is a good beginning.5.According to the last paragraph, what is NOT true of the new fuel cells?

D It will take some time before the new fuel cells can be used in popular products.（八）Eiffel is an eyeful（引人注目的埃菲尔铁塔）

1.Why does the author think the Eiffel Tower is transformed into symbol' of a world on the move?

B Tourists of all nationalities come-to, scribble on the cold iron of the tower.2.What seems strange to the author?

A Visitors prefer wasting time scribbling to enjoying the view.3.Which statement is NOT true of Hugues Richard?

C He climbed 747 steps up ,the tower in 19 minutes and 4 seconds 4.What did the builder use the Eiffel Tower for?B Conducting research in various fields.5.Which of the following is neatest in meaning to “(The Eiffel Tower is like)a blank canvas for visitors to make of it what they will” ?C Visitors can imagine freely what the tower represents.（九）Egypt felled by famine（埃及饱受饥荒折磨）1.Why does the author mention “pyramid builders”?

D Because even they were unable to rescue their civilisation.2.Which of the following factors was ultimately responsible for the

fall of the civilisation of ancient Egypt?4.What does the word “coaster” mean in the paage?A Change of climate.A disk or plate placed under a drinking gla to protect a table top.3.Which of the following statements is true? 5.Harry Potter's invisibility cloak doesn't have any real competition D The White Nile and the Blue Nile are branches of the River Nile.yet, because4.According to Krom, Egypt's Old Kingdom fell C the cloaking device works only for, microwaves.A immediately after a period of drought.（十四）Japanese car keeps match for drunk drivers（日本用来5.The word “devastating” in the last paragraph could be best replaced 监视醉酒司机的新型概念车）by 1.Which of the following statements is NOT true of the Japanese B “damaging”.concepts car?

（十）Young female chimps outlearn their brothers（年轻雌猩猩C It has sensors locked up in the ignition system.学习优于她们的弟兄）2.What has Volvo developed? 1.Why do young female chimps learn faster than young male chimps B A breathalyzer attached to a car's seat belt.at-fishing for termites? 3.What is the.function of.the.camera.mentioned in Paragraph 4? B Because young female chimps begin to study their mothers earlier.A It monitors the driver's eyes-to see ,if he needs a rest.2.What are the tools with which chimps fish, for termites? 4.According to Doi,B Vegetation.D Nian aims to improve the detection technology to reduce the 3.Which of the following is.true about chimps fishing for termites fatality rate.according to paragraph 6? 5.Which of the following is NOT mentioned in Paragraph 6?C Females could get out more termites with every dip.B The car will automatically keep to its lane.4.How did the researchers explain the fact that boy chimps spent

（十五）Winged robot learns to fly（肋生双翅机器人学飞行）more time on playing1.Which of the following is NOT true of what is mentioned about the D It will make them good fighters and hunters' in the future.winged robot in the second paragraph? 5.According to the last paragraph, which of the following is NOT C The two profeors of CUT programmed the data on' how the robot true? flapped its wings.A Adult chimps hunt monkeys while young chimps fish for termites.2.How did the robot behave at the beginning of the test?

（十一）The net cost of making a name for yourself（网上申请个B It twitched but gradually gained height.人域名的费用）3.Which of the following is nearest to Peter, Bentley’s view on the 1.The domain name “.edu” is operated by winged robot? B the company Network Solutions.A The winged robot-could never really fly 2.The.firm,.shop,.web,.arts,.rec,.info and.nom domains are NOT 4.What measured how much lift the robot produced?run by B A movement detector.B the US government.5.What does “the proce” appearing in the last paragraph refer to? 3.Global Names of Singapore is D All the above.B a registrar.（十六）Japanese drilling into core of earth（日本人的地心旅行）4.How can a company.succefully register a name with the Internet?1.According to the paage, Mount UnzenA It must pay up to $10,000 or a nonrefundable deposit.B erupted in 1991.5.What is the meaning of the phrase “net cost” in the title? 2.According to the paage, the study of the Mount Unzen volcano B The registration fee for a domain name on the Internet.may benefit Japan in all the following aspects EXCEPT

（十二）Florida hit by cold air ma（佛罗里达遭受冷气团袭击）D predicting volcano eruptions.1.Which of the following statements is not meant in the first two 3.Why is-this research project so important to Japan? paragraphs?A Because Japan has many living volcanos.B The temperature in the United States except the South dropped 4.The drilling site on Mount Unzen isbelow the freezing mark.C about half way up the mountain.2.According to the second paragraph, in which area(s)did.the 5.The title of this paage Japanese Drilling into Core of Earth temperature fall below zero? actually means that' they B Parts of interior South Florida.A drill a hole into the core of a volcano.3.King's statement that “We brought shorts, T-shirt, and 1 had to go（十七）A sunshade for the planet（地球防晒霜）out and buy another coat.''shows that 1.According to the first two paragraphs, the author thinks thatA he was caught by the sudden cold.C despite the difficulty, scientists have some options to prevent 4.Governor Jeb iue the emergency order because heglobal warming.C wanted to encourage trucks to transport as much fruit to market as 2.Scientists resist talking about their options because they don't want poible.people to 5.Which statement is NOT true according to the last paragraph? C think the problem has been solved.D Florida Citrus Mutual sprayed trees with sprinklers for citrus 3.What does Stephen Schneider say about a heroin addict and growers..methadone?

（十三）Invisibility ring（隐形环）A Methadone is an effective way to treat a hard heroin addict.1.Harry Potter is mentioned in the paage, because scientists 4.What is Stephen Schneider's idea of preventing global warming? C try to invent a device similar in idea to the invisible cloak he uses.C To apply sunscreen to the Earth:2.What is true of microwaves?5.What is NOT true of the effectivene of ”sunscreen“ , according to B Their wavelengths are longer than those of visible light.the last paragraph? 3.What is NOT true of the invisibility device?D It decreases greenhouse gases in the atmosphere.B Microwaves bounce off it when' they, strike it.''（十八）Thirst for oil（石油匮乏）

1.”…will need to cure our addiction to oil.” Why does the author say so?

D Oil supply is decreasing.2.Which of the following statements is NOT meant by the author, according to the second paragraph?

C Coal is the most environmentally unfriendly fuel next-to oil.3.Which country is the biggest consumer of petroleum? A The United States4.What do 'experts say about: the earth's fuel reserves? B There will soon be an energy crisis.5.What is NOT, the result of consuming foil fuels according to the' last paragraph?

D The sea level will go up.（十九）2012版教材改为Graphene's Superstrength（2012

second paragraph?

B It is a high-tech machine designed to generate energy for urban people.3.The smallest models of an urban turbine

C can be' carried up to the rooftop without a crane.4.Netherlands leads in the urban turbine technology because D the' Netherlands is 'a small country with a large population.5.According to the last paragraph, what are the advantages of wind power technology? D Both A and C.（二十四）Underground coal fires—a looming catastrophe（地下煤着火—即将来临的灾难）

l.According to the first paragraph, one of the warnings given by the scientists is that

C poisonous elements released by the underground fires can pollute 年4月真题）

water sources.2.According to the third paragraph, what will happen when the（二十）Explorer of the extreme deep（深海探索器）

underground heat does not disappear? l.What is Alvin?

A Coal heats up on its own and catches ire and burns.C A submersible.3.What did Stracher analyze in his article published in the 2.Which of the following statements is NOT a fact about Alvin?

International Journal of Coal Ecology? A It can carry explorers as deep as 6,500 meters.D Coal fires can have an impact on the environment.3.“...a world that is still full of mysteries” refers to

4.Which of the following statements about Paul Van Dijk is NOT C the ocean

true?4.In what aspects are the new HOV and Alvin similar?

B He has detected and monitored underground fires in the D Shape.Netherlands.5.In what aspects are he new HOV and Alvin different.5.According to the fifth paragraph, what is the suggested method to D Both A and B.control underground fires?（二十一）Plant gas（植物，沼气的又一来源）

D Cutting off the oxygen supply.1.What was scientists' 'understanding of methane?

（二十五）Eat to live（为生存而食）C It was produced in oxygen-free environments.1.According to the paage, which of the following is NOT true? 2.To test whether plants are a source of methane, the scientists

D We have to begin dieting since childhood.created

2.Why does the author mention an elderly mouse in paragraph 2? B an environment with the same concentration of oxygen as the Earth

B To illustrate the effect of meager food on mice has.3.What can be inferred about completely normally fed mice 3.Which statement is true of the methane emiions of plants in the

mentioned' in the paage? experiment?

D They are more likely to suffer from inflammation D The higher the temperature, the greater the amount of methane

4.According to the author, which of the following most interested the emiions.researchers?4.Which of the following about methane is Not mentioned in the

A The mice that started dieting in old age.paage?

5.According to the, last two paragraphs, Spindler believes that D Microbes in plants produce methane.C dieting is not a good method to give us health and long life.5.What is the beneficial point of some microbes lconsuming,（二十六）Male and female pilots cause accidents differently（男plant-produced methane?

女飞行员引起飞行事故的差异）C Le methane reaches the atmosphere

1.What is the research at Johns Hopkins University about?（二十二）Snowflakes（雪花）

B Gender difference in relation to types of aircraft crashes 1.What does Profeor Libbrecht believe to be true?

2.Which of the statements is NOT true according to the second A No two snowflakes' are exactly the same in shape.paragraph? 2.What do the simplest snow crystals look like?

D Only mature pilots are studied to determine the gender differences D They are six-sided.in the reasons for aircraft crash.3.What are the factors that affect the shape and growth rate, of a snow

3.How did the researchers carry out their study? crystal?

A They studied the findings of several previous research projects.A Humidity and temperature.4.What is the most common circumstance of crash with female 4.It can be felt from the description in the 2nd paragraph that the

pilots? author

B Lo of control on landing or takeoff and stalling.A admires the beauty' of the snowflakes.5.Libbrecht is not' able to5.In the comparison of female and male pilots

D male pilots are found to make more errors in decision-making.C create snowflakes that are exactly alike.（二十七）Driven to distraction（）分散注意力驾驶（二十三）Powering a city? It’s a breeze（风力发电，轻而易举）

1.Which statement is true of the description in the first two 1.What are the symbols of the Netherlands according to the first

paragraphs? paragraph?

C Coyne is not really driving so it is impoible for him to have hit B Wooden shoes and wooden windmills..the woman.2.Which statement best describes the urban turbine mentioned in the

2.What do researchers want to find out, according to the third and fourth paragraphs? D All of the above.3.What are the preliminary results given in the fifth paragraph? C In challenging driving situations, drivers do not have any additional mental energy to deal with something else.4.The sixth paragraph mainly state that the researchers

D want to determine the best ways of giving navigational information system.5.What kind of directions do men and women prefer?

B Men prefer more general directions and women prefer route directions.（二十八）Sleep lets brain file memories（睡眠促使记忆归档存储）

1.Which of the following statements-is nearest in meaning to the sentence “To sleep.Perchance to file”?

A Does brain arrange memories in useful order during sleep?

2.What is the result' of the experiment with rats and mice carried 'out 'at Rutgers University?

C Somatosensory neocortex and hippocampus work together in memory consolidation.3.What is the relation of memory to glucose tolerance, as is indicated by a research mentioned in paragraph 4?

D The poorer the memory, the poorer glucose tolerance.4.In what way is memory related to hippocampus shrinkage? B The more hippocampus shrinks, the poorer one's memory.5.According to the last paragraph;what is the ultimate reason for going to the gym?

D To control glucose levels.（二十九）Food fright（对食物的惊恐）1.Paragraphs 1,2 & 3 try to give the idea that

A GM foods may bring about great benefits to humans.2.Why is the case of the pollen-sprayed :milkweed cited in Paragraph 6?

C It is cited to show GM foods also have a dark side

3.What happens to those insects when not killed by the spray of insecticide?

B They may have a higher ability to adapt to the environment.4.Which of the following statements concerning banning GM foods is true according to the pas-sage?

D The United States has not banned GM foods.5.What is the writer's attitude to GM foods?A We cannot tell from the paage.（三十）Digital realm（数码王国）1.The techniques of voice recognitionB are in its initial stage of development.2.According to the second paragraph, when we reach the stage of artificial intelligence

A machines can be our agents as they understand our thoughts.3.What's the best description of Gordon Moore's law as mentioned in the third paragraph?

A It motivates the development of the digital world.4.What can people do in a future scene as described in the fourth paragraph?

D All of the above.5.Which of the following statements is true of a personalized market? C In a personalized market, products are tailored to each consumer.（三十一）Hurricane Katrina（卡特里娜飓风）1.What is the eye of a hurricane?

C A calm central region of low preure between 12 to 60 miles in diameter.2.Which of the following is NOT the “requirements” mentioned in the second paragraph?

A The tropical waters are warm and calm.3.Which of the following is the best explanation of the word “drive” in the third paragraph?

C To supply the motive force or power and cause to function.4.What does the warm air mentioned in the fourth paragraph produce when it is rising from the sea surface? B Low preure

5.What is NOT true of Hurricane Katrina according to the last paragraph?

D The humanitarian crisis is as serious as that of the great depreion（三十二）Mind-reading Machine（读心机）

1.What is responsible for proceing the information sent by your eyes?

C Neurons in the brain.2.Which of the following statements is NOT meant by the writer? D fMRI helps scientists to discover how the brain develops intelligently.3.“Highlighting the areas of the brain at work” means _____.A “marking the parts of the brain that are proceing information” 4.What did the researchers experiment on? B Two volunteers.5.Which of the following can be the best replacement of the title? B Your Thoughts can be Scanned

（三十三）Experts call for local and regional control of sites for radioactive waste（专家呼吁局部和区域控制放射性废物地点）1.Which of the following words can best substitute the word “withdrawal” in the first paragraph? B Canceling.2.According to Rodney Ewing and Frand von Hippel, where to locate nuclear facilities

B should be approved by local people and states.3.What is NOT true about the 1987 decision by Congre concerning siting of nuclear waste disposal?

D The decision by Congre was accepted by local communities.4.What does the author of the eay in the fourth paragraph want to say?

C Efforts should be made to develop nuclear disposal sites to suit the circumstances of the region.5.What is meant by “regional approach” as mentioned in the last paragraph?

A Waste disposal sites are located close to reactors and in places suitable for the regional circumstances.（三十五）Putting plants to work（植物效能）

1.What does the writer say about plants concerning solar energy? C Plants have been using solar energy for billions of years.2.Why do some scientists study how plants convert sunlight carbon dioxide, and water into sugars and starches?

B Because they want green plants to become a new source of energy.3.According to the fifth paragraph, under what conditions are algae able to use solar energy to make hydrogen? B When there is no oxygen in the air.4.Researchers have met with difficulties when trying to make algae produce hydrogen efficiently.Which one of the following is one such difficulty?

D It is too slow for algae to produce hydrogen when the sulfate is removed.5.What is NOT true of algae? C They are cheap to eat.（三十六）Listening device provides landslide early warning（听觉仪器提供早期山崩预警）

1.What does “such natural disasters” in the first paragraph refer to?

D Landslides

2.Which of the following statements is true of landslides? D All of above

3.Why do researchers develop a new device to monitor signs of landsides?

C Because the common methods can cause false alarms.4.Which of the following statements is NOT true of the device, according to paragraph 4? A It is filled in with gravel.5.According to the context, what does the word “positives” in the fifth paragraph mean? B Evidences.（三十七）“Don’t Drink Alone” Gets New Meaning（“不要在就餐时间以外饮酒”有了新含义）

1.Researchers have found that the risk of cancer in the mouth and neck is higher with people

A who drink alcohol outside of meals.2.Which of the following is NOT the conclusion made by the researchers about “drinking with meals”?

C It increases by 20 percent the poibility of cancer in all sites.3.Approximately how many drinks do the lowest-intake group average per day? A 3 drinks.4.Which cancer risk is the lowest among all the four kinds of cancer mentioned in the paage? B Laryngeal cancer.5.According to the last paragraph, tiue’s lower exposure to alcohol D reduces the risk of laryngeal cancer.（三十八）2012版教材改为”Life Form Found“ on Saturn's

anxiety and their female students' math achievements.5.David Geary thinks that

Bthe research results need to be retested based on a larger sample.第四十一篇Too Little for Global Warming

1.What do the authors of the new analysis presented at the University of Uppsala intend to say?

D Oil and gas will run out so fast that Earth’s doomsday will never materialize.2.Nations that signed the Kyoto Protocol agree toB cut CO2 emiions.3.What are the estimates of the world’s oil and gas reserves?D 3,500 billion by a growing numher of scientists.4.Which of the following about Nebojsa Nakicenovic is true?D He thinks that IPCC’s estimates are more optimistic than the Swedes.5.Which of the following is the near explanation of Nakicenovic's aertion that“„ such a switch would be disastrous „”?

B A switch to burning coal would produce disastrous environmental problems.第四十二篇Renewable Energy Sources

1.What are the energy resources that are not renewable according to the article?D A and B.2.China’s Three Gorges Dam

C is the largest of all the hydroelectric dams in the world.3.Which is the country with the first commercial power station that makes use of ocean currents produced by tides?B Norway.4.Which of the following statements is true of wind power?D All of the above.5.According to the article, resources such as windB are renewable so sustainable.第四十三篇 Forecasting Methods

1.Whnt factor is NOT mentioned in choosing a forecasting method?A Imagination of the forecaster.2.Persistence method will work well

B if weather conditions do not change much.3.The limitation of the trends method is the same as the persistence method in that

D the weather features need to be constant for a long period of time.4.Which method may involve historical weather data? C Both climatology method and analog method.5.It will be impoible to make weather forecast using the analog method

A when the current weather scenario differs from the analog.第四十四篇Defending the Theory of Evolution1 Still Seems Needed

1.According to the first paragraph, which of the following statements about the theory of evolution is true?

B School boards oppose AIBS’s effort to defend the theory of evolution..2.Which one of the following is NOT the reason for an overall lack of teaching Darwin’s theory?

D Darwin’s theory is denied as the central theory of biology.3.AIBS is composed of

A more than 80 societies and 250,000 members.4.According to Weis in the 5th paragraph, the theory of evolutionA is fundamental to the development of modern genetics, molecular Titan（2012年4月真题）

（三十九）Clone farm（克隆农场）

1.Which statement is the best description of the new era of factory farming according to the first paragraph?

C Cloned chickens are bulk-produced every hour.2.Which institution has offered $4.7 million to fund the research? A The US’s National Institute of Science and Technology.3.In the third paragraph, by saying “Producers would like the same meat quantity but to use reduced inputs to get there,” Mike Fitzgerald means that he wishes

D chickens’ could grow to the same weight but with le feed.4.Which of the following statements about Origen and Embrex is correct according to the fifth paragraph?

C Origen has joined hands with Embrex in producing cell-injecting machines.5.The technology of freezing stem cells from different strains of chicken can do all the following EXCEPT that A farmers can order certain strains of chicken only.（四十）Teaching Math, Teaching Anxiety（教数学，教焦

虑）（2012新增）

1.What is the result of the research at the University of Chicago,according to the first paragraph?

DFemale teachers' confidence in their math skills is related to girl's math skills.2.What is implied in the third paragraph?

BA difficult subject like math may affect teachers' confidence in teaching the subject.3.According to the experiment,those teachers were probably anxious about math when they felt Cuneasy reading the numbers of a sales receipt.4.The sixth paragraph tells us that the research findings Aprove a strong link between female teachers' math

biology and genomics..5.Why do people replace the term creationism with the term intelligent design nowadays？

D Because the term creationism is too direct.第四十五篇2012版教材改为Small But Wise（2012年4

understanding of the paage?

A）It imitates human vision and is able to capture three-dimensional images.第五十篇 Cell Phones Increase Traffic, Pedestrian Fatalities

1.The two new studies, lead-authored by Profeor Peter D.LoebD both A and C.2.According to the second paragraph, when did cell phones actually 月真题）

第四十六篇Ants have Big Impact on Environment as

”Ecosystem Engineers“（蚂蚁作为生态工程师对环境影响巨大）（2012新增）.Why are ants compared to ecosystem engineers?CBecause their activity affects the environment.2.As predators, ants ？

Aprey on small as well as large animals.3.Dir Sanders' study centered on how ants？

Dproduce such a big impact on the environment.4.What does paragraph 6 tell us?

BAnts bring about a positive influence to an area when their population is small.5.What still remains unclear about ants, according to the last paragraph?

CHow do human activities affect ants' influence on a given ecosystem?

第四十七篇Listening to Birdsong（A级）

1.What does the first paragraph say about zebra finches?

C）Male zebra finches change their songs in female zebra finches' presence.2.What did the researchers find in their study of female zebra finches?

A）Female finches liked songs male finches sang for them.3.What is meant by ”concert songs“ in the seventh paragraph?B）Songs sung by male finches for female finches.4.What is NOT true of directed communication?D）Male zebra finches sing to themselves.5.Which of the following can best reflect the theme of the paage?.B）Birdsongs as communication.第四十八篇“Hidden” Species May Be Surprisingly Common 1.Which of the following about the significance of the research on cryptic species is NOT true?

D The results of the research can help our understanding of “survival of the fittest.”

2.What was scientists’ understanding of cryptic species? D Moth B and C.3.Do scientists know how many cryptic species exist? A Not yet.4.Which of the following about the African hush elephant and the African elephant is true?

C They are two genetically distant species.5.People were confused in their attempts to control malaria in Europe in the early 1900s, because scientists

A identified only one mosquito species instead of six species.第四十九篇U.S.Scientists Confirm Water on Mars

1.What was discovered by NASA's Phoenix Mars Lander on Mars? C）Water in a soil sample.2.Why did the first two attempts to deliver samples fail?C）The samples got stuck inside the scoop.3.Which one of the following statements is NOT meant by the writer?

A）Scientists have been trying to break the ice-rich layers of4.Where are the scientists involved in the research from?C）They are from both America and Canada.5.Which of the following do you think is the best description of Phoenix’s Surface Stereo Imager Camera, according to your help to reduce pedestrian and traffic fatalities?

B Before the number of cell phone users reached a critical ma3.What is said about cell phone use in paragraph 4?

B The number of traffic deaths was reduced in the late 1980s and part of the 1990s due to cell phone use

4.What is said about cell phone use in the mid-1980s in paragraph 5? A It had a life-taking effect because there weren't enough cell phones in use then.5.Which of the following statements DOES NOT answer the question(What caused the “life-saving effect” to occurin the early 1990s？)?

B The number of cell phone users reached about 100 million.