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1、2022年高中英語(yǔ)《Unit 4 Period 5》導(dǎo)學(xué)案 新人教版選修6 【學(xué)習(xí)目標(biāo)】： 學(xué)習(xí)、掌握介詞it 的用法 【自主學(xué)習(xí)】： 1.思考，回憶關(guān)于it的用法。 2.重讀課文，在課文中找出幾個(gè)強(qiáng)調(diào)句和含有it 的句子，理解他們?cè)诰渲械暮x。 【問題研究】it的常見用法 I、it作為代詞 可用于代替上文中提到的那一個(gè)事物、一件事，不知情的人（不知身份、性別和姓名的人），表示時(shí)間、天氣、距離、計(jì)算結(jié)果等。請(qǐng)說明下列例句中的it分別表示什么？ He failed in the match, and it worried him. —Who is knocking at the

2、 door? —It’s me. It was very noisy (quiet) at the very moment. —What time is it? —It’s eight o’clock. It often rains in summer here. It is a long way to the school. II、it可用于代替不定式、動(dòng)名詞、從句等，充當(dāng)形式主語(yǔ)和形式賓語(yǔ)，請(qǐng)說明下列例句中it的作用。 This has made it necessary for agriculture and industry to develop

3、very quickly. I think it no use arguing with him. I found it very interesting to study English. It is important that we should pay close attention to grain. It is no use crying over spilt milk. It is a pity that you didn’t read the book. It is bad manners for the young to take up the seats? f

4、or the old． III、 it可用于構(gòu)成強(qiáng)調(diào)句。 It is (was) + 被強(qiáng)調(diào)成分+ that/ who+原句剩余部分 請(qǐng)說明下列例句被強(qiáng)調(diào)的部分使句子的什么成分。 It was I that (who) met Li Ming at the railway station yesterday. It was Li Ming that I met at the railway station yesterday. It was at the railway station that I met Li Ming yesterday. It was not u

5、ntil his wife came back that he went to bed. 思考：比較以下兩組句子，分析其句子類型及句式特點(diǎn) It was 8 o’clock when Tom came back. It was at 8 o’clock that Tom came back. It is the house where Tom’s uncle lives. It is in the house that Tom’s uncle lives. IV、it常用于一些固定結(jié)構(gòu)中，作無人稱代詞用，充當(dāng)主語(yǔ)等。 1. it is 一段時(shí)間 since ….從動(dòng)作

6、結(jié)束時(shí)算起有…時(shí)間了 2. it will(not) be…before…. 3. It is/was/will be the first/second/third…time that…(完成時(shí)) 【拓展實(shí)踐】 1. My bike is missing. I can’t find ____ anywhere. A. one B. ones C. it D. that 2. ---- Who’s that? ---- ____ Professor Li. A. That’s B. It’s C. He’s D. This’s 3. ____ was Jane that I s

7、aw in the library this morning. A. It B. He C. She D. That 4. ---- Have you ever seen a whale alive? ---- Yes, I’ve seen ____. A. that B. it C. such D. one 5. The color of my coat is different from ____ of yours. A. this B. that C. it D. one 6. ____ will do you good to do some exercise every m

8、orning. A. It B. There C. Those D. You 7. We think ____ our duty to pay taxes to our government. A. that B. this C. its D. it 8. The climate of Shanghai is better than ____ of Nanjing. A. that B. it C. which D. what 9. ____ four years since I joined the Army. A. There was B. There is C. It wa

9、s D. It is 10. How long ____ to finish the work? A. you’ll take B. you’ll take it C. will it take you D. will take you 11. It was through Xiao Li ____ I got to know Xiao Wang. A. who B. whom C. how D. that 12. It was in the rice fields ____ we had our league meeting. A. where B. that C. in whi

10、ch D. on which 13. It was on October 1st ____ new China was founded. A. which B. when C. as D. that 14. Was it because he was ill ____ he asked for leave? A. and B. that C. that’s D. so 15. Mary speaks in a low voice; ____ is difficult to know what she is saying. A. it B. that C. so D. she 16

11、. It was ____ I met Mr Green in Shanghai. A. many years that B. many years before C. many years ago that D. many years when 17. ____ is not everybody ____ can draw so well. A. It, all B. It, that C. There, who D. There, that 18. So ____ that no fish can live in it. A. shallow is the lake B. the lake is shallow C. shallow the lake is D. is the lake shallow 第五課時(shí)： 【問題研究】答案：1.It is five months since I arrived in New York. 2.It will be several years before we meet again. 3.It is the first time that I have been here 練習(xí)：1~5 CBADB?6~10 ADADC?11~15 DBDBA?16~18 CBA