人教版（2019）必修 第二册Unit 2 Wildlife protection Period Ⅱ 重点 词、句课件 (共22张PPT)

(共22张PPT)
Unit 2
Wildlife Protection
Period Ⅱ
Discovering Useful Structures & Listening and Talking
01
02
语法汇
模块
导航
词汇斩
03
句子控
定向练1
一、在空白处填入1个适当的单词或括号内单词的正确形式。
1．The workforce has been reduced ________ half due to the financial crisis.
2．It took years of work ________(reduce) the industrial pollution and clean the water.
3．The number of cities producing CO beyond the standard has been reduced ________ 42 ________ 19.
4．We must reduce our expenses ________ 300 yuan a month.
5．Their output has been reduced ________ 10%.
词汇斩
【解析】
一、1.by/to　句意为：由于经济危机，职工人数已经减半。
2．to reduce　句意为：减少工业污染和清洁水体花费了多年时间。
3．from; to　 句意为：一氧化碳排放量超标的城市的数量从42个减少到了19个。
4．by/to　句意为：我们必须把我们的开支每月减少300元/减少到每月300元。
5．by　句意为：他们的产量减少了10%。
词汇斩
二、翻译句子
He was reduced to tears.
________________________________________________________________________
________________________________________________________________________
【解析】他流下了泪水。
词汇斩
定向练2
一、在空白处填入1个适当的单词或括号内单词的正确形式。
1．The train had stopped due ________ a mechanical failure.
2．The new product is due ________ (put) on the market next month.
【解析】
一、1.to　2.to be put
词汇斩
二、根据汉语意思完成句子。
1．因为某些原因，我们昨天并未出发。
________ ________ /________ ________ certain reasons, we didn’t start off yesterday.
2．多亏你的帮助才省了很多麻烦。
________ ________ your help, much trouble was saved.
3．船预计在12点到达。
The boat ________ ________ ________ ________ at 12.
【解析】
二、1.Owing to/Because of　这两个短语都可以放在句首，表示“由于”，都可以作状语。due to不可以放在句首。
2．Thanks to　
3．is due to arrive　
词汇斩
定向练3
选择适当的词组并用其正确形式填空。
search for　 search… for… look for　 in search of
1．The poor professor felt everywhere on the floor, ________________ his glasses.
2．The police ________ the thief ________ the lost wallet.
3．What are you __________________？You have been on the Net for ages.
【解析】
1．in search of/searching for/looking for
2．searched; for
3．searching for/looking for
词汇斩
定向练4
在空白处填入1个适当的单词或括号内单词的正确形式。
1．The man cares little ________ the others in his company.
2．Could you take care________ my parrot for me when I’m out
3．Take care ________ (spell) every word right.
4．Mr Baker puts every extra penny into caring ________ his mentally challenged brother.
5．Her work is to take care ________ the children.
词汇斩
【解析】
1．about/for　句意为：他不关心/不喜欢公司里的其他人。
2．of　句意为：我出去的时候，你能否替我照看一下我的鹦鹉？
3．to spell　句意为：注意把每个词拼正确。
4．for　句意为：贝克先生把多出的每分钱都用于照顾他那有智力障碍的弟弟。
5．of　句意为：她的工作是照顾孩子们。
词汇斩
定向练1
用it作形式主语翻译句子。
1．多么可惜啊，你错过了一场激动人心的足球比赛。
________________________________________________________________________
2．我认为我们开这个会是有必要的。
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【解析】
1．It’s such a pity that you missed an exciting football match.
2．I think it is necessary that we hold the meeting.
句子控
3．据报道，超过十人在这起事故中丧生。
________________________________________________________________________
4．看来，生活费用上涨了。
________________________________________________________________________
【解析】
3．It is reported that more than 10 people were killed in this accident.
4．It appears/seems that the cost of living has risen.
句子控
定向练2
根据汉语意思完成句子。
1．我得记下你的手机号码，以便以后与你保持联系。
I shall write down your phone number ______________________________________.
【解析】
1．so that/in order that I can keep in touch with you later on或in order to/to keep in touch with you later on
句子控
2．他们爬到山顶为的是能够看到更好的风景。
They climbed to the top of the mountain _________________________.
3．他今早很早就起床了，所以他赶上了第一班公共汽车。
He got up early this morning, ____________________.　
【解析】
2．so that/in order that they could get a better view或in order to/to get a better view
3．so that he caught the first bus
句子控
定向练
一、在空白处填入括号内单词的正确形式。
1．Rainforests ________ (cut) and burnt at such a speed that they may disappear from the earth in the near future.
2．A new cinema ________ (build) here.They hope to finish it next month.
3．The patient ________ (examine) now. He will come out soon.
4．—I don’t suppose the police know who did it.
—Well, surprisingly they do. A man has been arrested and ________ (question) now.
语法汇
语法汇
【解析】
1.are being cut　句意为：热带雨林正在以这样的速度被砍伐和烧毁，在不久的将来它们可能会从地球上消失。根据句意可知，此处表示“热带雨林正在被砍伐”，故用现在进行时的被动语态。
2．is being built　句意为：一个新的电影院正在这里建造，他们希望下个月能完工。由They hope to finish it next month.可知，建造工作正在进行，且主语cinema与动词build之间是被动关系，因此使用现在进行时的被动语态，故填is being built。
3．is being examined　句意为：病人正在接受检查，他很快就能出来了。根据句意可知，设空处应用现在进行时的被动语态，且主语为单数，故填is being examined。
4．is being questioned　句意为：——我认为警察不知道是谁做的这件事。——可是，令人惊奇的是他们知道。一名男子已经被逮捕了，现在正在接受审问。结合now可知，审问工作正在进行，且man与question之间为被动关系，故填is being questioned。
二、翻译句子。
1．我不知道现在是什么时间，因为我的手表正在修理之中。
①________________________________________________________________________
②________________________________________________________________________
语法汇
【解析】
1.①I don’t know what time it is now, for my watch is being repaired.
②I don’t know what time it is now, for my watch is under repair.
2．一个新的火车站目前正在建设中。
①________________________________________________________________________
________________________________________________________________________
②________________________________________________________________________
________________________________________________________________________
语法汇
【解析】
2．①A new railway station is being constructed at present.
②A new railway station is under construction at present.
3．在这项工程上我们应该花费多少钱还在讨论中。
①________________________________________________________________________
________________________________________________________________________
②________________________________________________________________________
________________________________________________________________________
语法汇
【解析】
3．①How much money we should spend on the project is being discussed.
②How much money we should spend on the project is under discussion.
三、将下列句子转换为被动语态。
1．The rain is washing away huge quantities of good earth each year.
________________________________________________________________________
2．We are making preparations for the interview that will be held the day after tomorrow.
________________________________________________________________________
3．Scientists are researching the side effects of the new drug.
________________________________________________________________________
4．The mother is happy to see that the teachers are taking good care of her little daughter in the kindergarten.　
________________________________________________________________________
语法汇
语法汇
【解析】
三、1.Huge quantities of good earth is being washed away by the rain each year.
2．Preparations for the interview that will be held the day after tomorrow are being made by us.
3．The side effects of the new drug are being researched by scientists.
4．The mother is happy to see that her little daughter is being taken good care of by the teachers in the kindergarten.