人教版(2019)必修第二册Unit 2 Wildlife protection Words and Expressions(3)(17张PPT)

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名称 人教版(2019)必修第二册Unit 2 Wildlife protection Words and Expressions(3)(17张PPT)
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版本资源 人教版(2019)
科目 英语
更新时间 2022-12-19 13:34:42

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(共17张PPT)
必修二
Unit 2 
Wildlife Protection
Words and expressions
(III)
本单元知识点目标
1.Learn the following language points:amazing,aware,concern,die out,adapt,measure,observe,remind,recover,remove,intend,exist.(重点)
2.Learn the following sentence structures:This is why...,only+状语从句.(重点难点)
本真教育 释放天性 · 博古通今 放眼世界
本节课重点
9.recover
10.remove
11.intend
12.exist
This is why...
only+状语从句
重点单词背诵:1.词性及意思
2. 拼写
3. 固定搭配
4. 词性转换
重在运用
9. recover vi. 恢复;康复 vt. 找回;寻回
eg.The police recovered my stolen car yesterday.
警察昨天找回了我那辆被盗的车。
recover from 从……中恢复过来
recover oneself 镇定下来
词性转换
recovery n. 恢复;复苏;痊愈
make a recovery from… 从……中恢复过来
①She soon recovered ___________ (she) and stopped crying.
②Even though he was hurt seriously in the car accident,he finally recovered ________ it.
herself 
from 
Exercises
10.remove vt. 去掉;移开;脱去
eg.The room is so small that I removed some desks.
房间很小,所以我搬走了一些桌子。
remove sth.
remove sb. from school 开除某人
remove one’s doubt/trouble 消除某人的疑虑/烦恼
①After the customer left the restaurant,the girl removed the dishes ________ the table.
②The man was ___________ (remove) from the post because he broke the rules of the company by design.
from 
removed 
Exercises
11. intend vt. & vi. 打算;计划;想要
intend to do/doing sth.  打算做某事
intend sb. to do sth. 打算让某人做某事
词性转换
intended adj. 打算的;计划的
be intended to do 为了做……
be intended for 专门为……而设计的;专供……使用的
had intended to do sth.=intended to have done sth.
本打算做某事(但没有做)
①They intended the plan ___________ (put) into practice within this year.
他们打算今年内实施这个计划。
②I intended to _______________ (watch) the game,but I was too busy.
我本打算看这场比赛,但实在太忙了。
③This kind of bicycle is intended _______ people who are too tall.
这种自行车是专为身材过高的人设计的。
to be put 
have watched 
for 
Exercises
12. exist vi. 存在;生存
Nothing exists on the moon as there’s no water and no air.
月球上没有东西生存,因为那里没有水和空气。
exist in 存在于……中
exist on 靠……生活/生存
There exists … 存在……;有……
词性转换
existence n. 存在;生活
in existence 现存的;现有的
come into existence 产生;成立
注意:exist是不及物动词,没有被动语态,也没有进行时。
①Nobody knows when the earth came ________ existence.
没人知道地球是何时形成的。
②He finds it hard to exist ______ the money he’s making.
他发现靠他挣的那点钱无法维持生活。
on 
Exercises
into 
本真教育 释放天性 · 博古通今 放眼世界
Summary
9.recover
1.词性及意思
2. 词性转换
3. 固定搭配
10.remove
1.词性及意思
2. 词性转换
3. 固定搭配
11.intend
1.词性及意思
2. 词性转换
3. 固定搭配
12.exist
1.词性及意思
2. 词性转换
3. 固定搭配
1.This is why we’re here——to observe Tibetan antelopes.
这就是我们来这里的原因,观察藏羚羊。
This/That/It is why… 表示“这/那就是为什么……”,why引导表语从句。
①This is why fish prefer shallow water to deep water because the former is warmer.
这就是为什么鱼类喜欢浅水而不是深水的原因——前者更温暖些。
经典句型
It/This/That is because… 这/那就是因为……
The reason why… is/was that… ……的原因是……
①The reason _______ he was absent from the meeting was ________ he was ill.
他没有出席会议的原因是他生病了。
②He has to drop out of school,and that is ___________ he is addicted to computer games.
他不得不辍学,那是因为他迷于电脑游戏。
why 
that 
because 
2.Only when we learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet.
只有学会和大自然和谐相处,我们才不会成为野生生物和地球的威胁。
本句为“only+状语从句”放于句首的倒装句。
①Only when the project was completed was he able to get back home.
只有当工程完成时,他才能回家。
当only位于句首时,如果后面跟副词、介词短语或从句等状语,则要用部分倒装结构。(如果谓语动词没有助动词或情态动词,则需添加助动词do,does或did;并将其置于主语之前。)
注意: only+主语 不倒装
①Only then _______ she realize her mistake.
直到那时她才意识到她的错误。
②Only in this way _______ you make improvement in the operating system.
只有用这种方法你才能改进操作系统。
did 
can 
本真教育 释放天性 · 博古通今 放眼世界
Thank you