高中英语 Unit 4 Wildlife protection Period Ⅳ Using Language学案(新人教版)必修2_高中英语unit

高中英语 Unit 4 Wildlife protection Period Ⅳ Using Language学案(新人教版)必修2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“高中英语unit”。

Period Ⅳ Using Language

Ⅰ.单词巩固

1．n.________收入 ________恐龙 ________县；郡 ________事件；事变

________灰尘；尘土；尘埃 ________结局；结尾

2．v.________成功；接替；继任 ________雇用；利用(时间、精力等)_________损害；危害 ________咬；叮；刺痛 ________检查；视察

3．adj.________安全的；可靠的 ________凶猛的；猛烈的 Ⅱ.短语回顾

1．________________形成；产生

2．________________按照；根据……所说 3．________________以致于；结果

Ⅰ.课文理解

(Ⅰ)根据课文内容，判断正(T)、误(F)1．Most animals have died out during the long history of the earth.()2．Dinosaurs are the most famous of the animals that have disappeared.()3．There used to be many different kinds of dinosaurs on the earth.()4．A rare species of bird－like dinosaur could both run and climb trees.()5．Now people know the reason why dinosaurs suddenly disappeared.()(Ⅱ)根据课文内容，回答下列问题

1．When did dinosaurs live on earth? ________________________________________________________________________ 2．When did dinosaurs die out? ________________________________________________________________________ 3．How did dinosaurs die out? ________________________________________________________________________ 4．Where was bird－like dinosaur discovered? ________________________________________________________________________ 5．When did dodo die out? ________________________________________________________________________ Ⅱ.考点精析

1．They lived on the earth tens of millions of years ago，long before humans came into being...千百万年前，它们(恐龙)就在地球上生活，比人类的出现要早得多…… [归纳] long before可单独作状语，意为“很久以前；很早”，此时before为副词。long before构成的常用句型为It be long before＋从句和It be not long before＋从句，前者意为“过很久才……”，强调经历的时间长；后者意为“不久就……”，强调经历的时间短。

[运用](1)It ______________ we meet again.我们要过很久才能再见面。

(2)It __________________ we meet again.我们不久还会再见面。

2．When scientists inspected the bones，they were surprised to find that these dinosaurs could not only run like the others but also climb trees.科学家们观察它们的骨头时，惊奇地发现它们不仅跟其他恐龙一样可以跑，而且还可以爬树。

[归纳] inspect vt.检查；视察 inspection n．检查；视察 inspector n．检查员

inspect sth./sb.for sth.因某事检查某事/某人 [运用](1)I got out of the car __________________.我下车检查损坏情况。

(2)The building __________________ by the fire－safety officers.消防安全官员定期视察这座大楼。

(3)The meat will be sent __________________.这些肉将送去作进一步检查。

3．They learned this from the way the bones were joined together.科学家们是根据恐龙骨骼的连接方式来得出这种判断的。[归纳] the way在句中作介词from的宾语。后面的the bones were joined together是定语从句，修饰the way。当先行词是way，且在定语从句中作方式状语时，关系代词可用in which，that，也可以省略。

[运用](1)____________________________ is wrong.这些同志看问题的方法是错误的。

(2)That was the way______________________________________.那就是她解决这个问题的方法。

(3)He learns to walk __________________.他学卓别林走路的方式。4．Nobody knows for sure why and how dinosaurs disappeared from the earth in such a short time.没有人确切地知道恐龙是由于什么原因又是怎样在这么短的时间里从地球上消失的。[归纳] for sure＝for certain在口语中表示“确定，无疑” be sure of一定，必定 be sure that确信；肯定 be sure to do一定要做 make sure确保；设法保证 [运用](1)I think he works there but I couldn’t say __________.我想他是在那儿工作，但是我不敢肯定。

(2)Stand outside the house all night，you __________ to be cold.在屋外站一晚，你肯定会感冒的。

5．According to a UN report，some 844 animals and plants have disappeared in the last 500 years.根据联合国的一份报告，在过去500年里，有844种动植物消失。[归纳] according to按照；根据……所说，用来引用出自他人或他处的消息，一般不能与me或my opinion等连用。

[运用](1)_________________________，they gave up the experiment immediately.根据专家的意见，他们立刻放弃了这项试验。

(2)The books in the library are distributed ____________________.图书馆里的藏书按科目分类。

Period Ⅳ Using Language 课前准备区

Ⅰ.1.income；dinosaur；county；incident；dust；ending 2．succeed；employ；harm；bite；inspect 3．secure；fierce Ⅱ.1.come into being 2.according to 3.so that 课堂活动区

Ⅰ.(Ⅰ)1.F 2.T 3.T 4.T 5.F(Ⅱ)1.Tens of millions of years ago.2．About 65 million years ago.3．Nobody knows for sure.4．In Chaoyang County.5．The last 500 years ago.Ⅱ.1.(1)will be long before(2)won’t be long before 2．(1)to inspect the damage(2)is regularly inspected(3)for further inspection 3．(1)The way(in which/that)these comrades look at problems(2)(in which/that)she worked the problem out(3)the way Chaplin did 4．(1)for sure(2)are sure 5．(1)According to experts’ opinions(2)according to subjects