学案四_第四课学案及答案
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Book 2 Unit 3 Computers Day Four(学案四)晨读时分(45分钟)
1.跟录音机读第三单元余下的单词(supporting---spoil),且复习前面的单词。2.听读课文录音(Page 23)3.自主完成学案四
学案四
一、动动手
重点单词:1.______ vt.下载
2.______ n.病毒
3.______ adj.有才智的 4._______ adv.有逻辑地
5.______ vt.攻击
6._______ n.体系,系统 7._______ adj.私人的,个人的8._______ adj.人造的,假的 9._______n.科技,技术
10._______ adj.可移动的,机动的重点短语:1.pay attention _____注意
2.make good use _____充分利用
3.work ______计算出,结果是
4.give ______捐献
5.be crazy ____对„„着迷 6.play _______ 玩耍
7.pick ______挑出,认出
8.come _____实现
9.an interest in _____培养对„„的兴趣
10.one’s own ______属于某人自己的 11.give sth.______赠送;捐赠;分发;泄露12.___ a way 在某种程度上 13._______ the help of 在„„的帮助下 14.deal ______ 处理;对付
15.watch _____ 看守;监视 16._______ all 毕竟 17.consist _____由„„组成 词性转换:1.arise vi.出现;发生→ ______(过去式)→ ______(过去分词)2.electronic adj.电子的→ ________n.电→_______adj.电动的→ ________adj.与电有关的3.appearance n.外观;外貌;出现→ ______ vi.出现
4.type n.类型→ _______ v.打字
5.signal v.发信号→ ________ n.信号 6.niece n.侄女;甥女→ _________ 侄子;外甥
二、短语解析 1.be crazy about 对„„狂热;热衷于„„如:She is crazy about dancing.她对跳舞着了迷。归纳拓展
crazy还有“疯狂地;发疯的”之意。like crazy为固定短语,意为“发疯地;拼命地”。
When the shop was on _______ point of sinking,people onboard rushed to the bank like _______ crazy.A.the;/;/
B.a;a;/
C.the;the;a
D.the;/;a 2.come true come true(愿望等)实现;(预言等)成真,成为事实。不可用于被动语态。易混辨析:come true与realise 两者都有“实现”之意,但realise是及物动词,come true是不及物动词词组。如:Her dream of being a doctor came true.She realised her dream to be a doctor.她实现了当医生的梦想。3.give away 送给;赠予。归纳拓展
(1)give away还有“泄露;暴露;显示;告发;丧失;在婚礼上(把新娘)交给新郎”等意义。(2)give的常见短语: give back归还
give in递交;呈送;屈服;投降
give off放出;散发出
give out公开宣布;放出;散发出,分发,用光;耗尽
give over托付;委托
give up停止;结束;放弃
(1)If a person has not had enough sleep,his actions will give him _______ during the day.A.away
B.up
C.in
D.back(2)—What was the trouble with you the day before yesterday? —When I practiced running on the playground,my strength _____ and I fell onto the ground.A.gave away
B.gave in
C.gave off
D.gave out 4.in a way 在某种程度上,相当于in one way,in some ways。如:
Your composition is good in a way.在某种程度上你的作文写得不错。归纳拓展
in the/one’s way妨碍,挡着„„的路 on the way(to)在(去„„的)路上 in any way在任何方面 by the way顺便说一下 by way of经由;通过„„ in no way一点也不
—I think he is taking an active part in social work.—I agree with you _______.A.in a way
B.on the way
C.by the way
D.in the way 5.[辨析] arise,rise, raise arise(arose, arisen)vi.呈现, 出现;发生,产生;起身,起立。无被动语态。常用短语:arise from / out of sth.由„„引起;因„„产生。如: How did the quarrel arise? 争吵是怎么引起的?
rise(rose, risen)vi.上升,升起, 升高;上涨;站起来。说明主语自身移向较高位置,常用于日、月、云、雾、烟、蒸汽、河水、温度、物价以及人的职位等,无被动语态。如:
The moon has risen above the hills.月亮已经从山上升起。
raise vt.举起,提起;抬高;筹集。说明主语发出的动作是要作用于其它事物的,往往有使物体达到其应有的高度的含义。可用于被动语态。如:
The bo promised to raise her salary.老板答应要给她加薪水。用上述动词的正确形式完成下列句子。(1).He ______ and walked to the window.(2).He ______ his hat to me as a sign of respect.(3).The birds also attack crops when the opportunity ______.(4).The people’s living standard has greatly been ______.(5).Her temperature is still ______.6.with the help of 在„„的帮助下。可用with one’s help来替换。
_________,I’ve caught up with my clamates in my English study.A.Under his help
B.With him help C.Under the help of him D.With the help of him 7.watch over 看守,监视,照管。
归纳拓展: watch out当心
watch for期待,等候
watch out for密切注意
keep watch守望,值班
The building around the corner caught fire last night.The police are now _______ the matter.A.seeing through
B.coming out
C.looking into
D.watching over
三、句子分析
1.We are determined to create an even better system.我们决心创造出一个更好的系统。
(1)本句中be determined to do sth.表示“决心做某事”,为固定短语。如: I’m determined to succeed.我决心要获得成功。
(2)本句中even是副词,修饰比较级better表示程度。可修饰比较级的词或短语还有a bit,a little,rather,much,far,by far,a lot,any等。如: English is far more difficult to learn than Japanese.英语远比日语难学。(1)You’re driving too fast.Can you drive _______?
A.more slowly a bit
B.slowly a bit more C.a bit more slowly
D.slowly more a bit(2)In order to do better in the exam,they worked _______ harder than ever.A.more
B.even
C.very
D.quite 2.In this way I can make up new moves using my“artificial intelligence”.这样,我就可以利用我的“人工智能”编出新的动作。
本句中using my“artificial intelligence”是现在分词作方式状语。现在分词作状语的用法小结:
①现在分词表示主动或动作正在进行
②现在分词作状语时,它的逻辑主语必须与句子的主语一致 ③功能:作方式、伴随、时间、条件、结果、原因状语等 He stood there,looking out of the window.他站在那里,看着窗外。(伴随)
We hurriedly ended the meeting,leaving many problems to be settled.我们匆忙结束了会议,留下了很多问题等待解决。(结果)Turning left,you’ll see a big park.向左转,你就会看到一个大公园。(条件)
(1)The news shocked the public,_________
to great concern about students’ safety at school.A.having led
B.led
C.leading
D.to lead(2)The lady walked around the shops,_________ an eye out for bargains.A.keep
B.kept
C.keeping
D.to keep 3.I would really like to play against a human team,for I have been programmed to act just like them.我真想同人类的球队比赛,因为人们给我编程,使我能够像他们一样行动。
本句为并列句,其中for为并列连词,意为“因为”,for分句一般不位于句首,表示附加或推断的理由。归纳拓展
because,as,since也可以表示原因,它们是从属连词,引导原因状语从句。Wang Ling was elected _____ all he is the tallest.A.because
B.because of
C.for
D.as 4.Whenever she comes,I have to look after her,and sometimes help her with her homework.无论她什么时候来,我都必须照顾她,有时还帮她做作业。
whenever相当于no matter when,引导让步状语从句,表示“不管什么时候”。易错提示
1.whoever,no matter who,whomever同时出现在一个题中充当选项时,永远选whoever才对。
2.whatever与no matter what同时充当选项时,选what3.whichever,no matter which 同时充当选项时,选which
ever才对。ever才对。
He decided to make an effort to win the first prize,_______ difficult it may be.A.however
B.no matter
C.whatever
D.although
Keys:
一、重点单词1.download 2.virus 3.intelligent 4.logically 5.attack 6.system 7.personal 8.artificial 9.technology 10.mobile
重点短语1.to 2.of 3.out 4.away 5.about 6.with 7.out 8.true 9.develop 10.of 11.away 12.in 13.with 14.with 15.over 16.after 17.of 词性转换1.arose;arisen 2.electricity;electric;electrical
3.appear 4.type 5.signal 6.nephew
二、1.A 3.A D 4.A 5.arose/rose;raised;arises;raised;rising 6.D 7.C
三、1.C B
2.C C
3.B
4.A 4
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