山东省沂水一中高二英语 Unit 4 the sixth period课件(16) 新人教

1、 Unit 4 Global warming2021/8/8 星期日1Unit 4The sixth period2021/8/8 星期日2 Teaching methods situational teaching method ; cooperative learning method; programmed teaching method; task-based and assessment teaching methods.2021/8/8 星期日3Teaching aims and demands一、topic: Global warming; pollution; the impo

2、rtance of protecting the earth二、vocabulary三、functions: Agreement and disagreementBlame and complaint四、grammar : The use of it2021/8/8 星期日4Arrangement of teachingthe first period: warming upthe second period: language points of readingthe third period : readingthe fourth period : learning about langu

3、age and language points of using languagethe fifth period: using languagethe sixth period: grammarthe seventh period: exercises 2021/8/8 星期日51. Check up Daily Exercises2021/8/8 星期日6(II) It的用法及强调句型 2021/8/8 星期日7性质功 能例 句代词用作人称代词，代替上文提到的人或事物。 Who is it ? Its me. Youve helped me a lot; Ill never forget

4、it. 2021/8/8 星期日8性质功 能例 句代词用以代替指示代词this或that。 Whats this? Its a computer Whose book is that? Its hers 2021/8/8 星期日9性质功 能例 句代词表示时间、天气、距离、价钱等。 Its time for lunchIts raining hardIts two miles from the school to our home2021/8/8 星期日10引导词作形式主语, 代替由不定式、动名词或从句等表示的真正主语。It is easy to buy a new radio.It is no

5、 use telling him that.It doesnt matter whether she comes or not. 2021/8/8 星期日11引导词作形式宾语, 代替由不定式、动名词或从句等表示的真正宾语。I feel it my duty to help him.We thought it no use doing that.Ive made it clear that nobody is allowed to smoke here. 2021/8/8 星期日12引导词表示强调,其结构是: It is/was+强调部分+ that+原句剩余部分。此结构只限于强调状语、主语和宾

6、语。 注意：如果强调的是人, 其后用that或who 均可; 如果强调的是物、时间或地点等状语, 其后只能用that不用where、when、why。2021/8/8 星期日13引导词I saw Tom yesterday here. It was I that/who saw Tom yesterday here It was Tom that /who I saw yesterday here It was yesterday that I saw Tom here It was here that I saw Tom yesterday2021/8/8 星期日14引导词注意: 若原句是n

7、otuntil句型, 在强调until 部分时,要把否定形式放入被强调部分。例如: He didnt leave until l returned. = It was not until I returned that he left2021/8/8 星期日15易 与强调句型*若强调谓语,则用do /does /did +动词原形,常译为“的确” “一定”等,该结构只能用于陈述句或祈使句中。引导的强调句与其它从句的区别在于：Do be patient! (一定要耐心点)He does want to learn English well. (他的确想学好英语。)It was in the pl

8、ace that I was born. (强调句)It was the place where I was born. (定语从句)2021/8/8 星期日16混淆的其它从句 强调句型中前后时态应一致;被强调的部分为主语、宾语和状语,若把it iswas和thatwho去掉,剩下的词语能重新组成正确的句子,而且不缺成分,否则就是其它从句。 It was in 1945 that World War II ended. (强调句)It was 1945 when World War II ended.(定语从句) It was a long time since I met you last.

9、 (时间状语) It is time that you went to bed. (定语从句) 2021/8/8 星期日17口诀： 代词 it 本意它, 既可指这又指那; 时间天气均可指, 谈到距离也用它; 假主假宾均可做, 强调句型跟that。2021/8/8 星期日181. It was this village _ I was bought. A. where B. that C. on which D. which2. It was in this village _ I was bought up. A. where B. that C. on which D. which2021/

10、8/8 星期日193. Can it be in the drawer _ you put your passport? A. where B. in which C. there D. that4. It was July 1, 1997 _ saw the return of Hong Kong to the motherland. A. that B. when C. which D. in which2021/8/8 星期日205. It is two years _ I joined the army. A. before B. since C. that D. after6. It

11、 was two years _ I joined the army. A. before B. since C. that D. after2021/8/8 星期日217. - Was it under the tree _ you were away talking to a friend? - Sure. But when I got back there, the bike was gone. A. that B. where C. which D. while8. - Why dont we take a little break ? - Didnt we just have _ ?

12、 A. it B. that C. one D. this2021/8/8 星期日229. It was not until 1920 _ regular radio broadcast began. A. while B. which C. that D. since10. _ is the fact that English is being accepted as an international language. A. There B. This C. That D. It2021/8/8 星期日2311. It was about 600 years ago _ first clo

13、ck with a face and an hour hand was made. A. that B. until C. before D. when12. I hate _ when people talk with their mouths full. A. it B. that C. these D. them 2021/8/8 星期日2413. It was only when I reread his poems recently _ I began to appreciate their beauty. A. until B. that C. then D. so14. It i

14、s the ability to do the job _ matters not where you come from or what you are. A. one B. that C. what D. it2021/8/8 星期日2515. The Parkers bought a few house but _ will need a lot of work before they can move in. A. they B. it C. one D. which16. _ no need for us to discuss the problem again since it h

15、as already been settled. A. It has B. There has C. It is D. There is2021/8/8 星期日2617. Was it in 1969 _ the American astronaut succeeded _landing on the moon. A. when; on B. that; on C. when; in D. that; in18. Was _ that I saw last night at the concert? A. it you B. not you C. you D. that yourself202

16、1/8/8 星期日2719. _ was in 1979 _ I graduated from the university. A. That; that B. It; that C. That; when D. It; when20. What a pity my new computer doesnt work! _ must be something wrong with it. A. It B. There C. This D. That2021/8/8 星期日2821. I like _ in the autumn when the weather is clear and brig

17、ht. A. this B. that C. it D. one22. Someone is knocking at the door, but who can _ be? A. one B. he C. she D. it2021/8/8 星期日2923. A knock on the door made him look up. But _ was only the manager. A. this B. that C. she D. it24. Someone is ringing the doorbell. Go and see _ . A. who is he B. who he is C. who is it D. who it is 2021/8/8 星期日3025. Is _ necessary to complete the design before National Day? A. this B. that C. it D. he26. Does _ matter if he cant finish the job on time? A. this B. that C. he D. it2021/8/8 星期日3127. It worri