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1、2022年高中英語 Unit3 inventors and inventions 第3課時(shí)導(dǎo)學(xué)案 新人教版選修8 【學(xué)習(xí)目標(biāo)】 Help the students learn how to talk about inventions and discoveries. 【重點(diǎn)難點(diǎn)】 Enable the students to talk about the different information . 【學(xué)習(xí)內(nèi)容】 Ask the Ss to guess about the content of the passage from the title. Let the Ss to

2、judge the right order of stages of inventions. ◆ 課前預(yù)習(xí) Ⅰ Translate the following into English. 1) 辨別_______________??????2) 專利發(fā)明______________ 3) 偶爾 ______________??????4) 火藥 _________________ 5) 指出 ______________ ?? 6) 突然地 ______________ 7) 立方體_____________ ? 8) 著手__________________ 9) 香

3、水_______________ ???10) 期望 ________________ 11) 方便的____________????12) 被動(dòng)的 _______________ 13) 監(jiān)控,班長(zhǎng)___________??14) 標(biāo)準(zhǔn) ________________ 15) 文件 ______________?16) 小心謹(jǐn)慎_______________ ◆課堂學(xué)習(xí) ⅠSkimming 1. Summarize the main idea of the test: The text narrates the p______ of the snakes and

4、 presents the p_________ of catching them and applying for a p______. 2. Order the stages that the inventors must go through again according to the text. (1)_________________________________ (2)__________________________________ (3)_________________________________ (4)________________________

5、___________ (5)__________________________________ (6)__________________________________ ⅡCareful reading 1. Read the text carefully and answer the following questions. 1) What was the mother upset about? 2) Why was the writer happy to help her mother? 3) What are the three creative steps

6、 ① to put the frozen bowl over the snakes’ habitat _______________. ② to put the frozen bowl over the snakes’ habitat________________. ③ to put the frozen bowl over the snakes’ habitat in the evening and carry ______ to collect the snakes without harming them ______________________. Ⅲ. Finish th

7、e following sentences according to the text and try to understand them. 1)?Snakes e near the house ______________, and they seem to have made their home here.?Can you ________________them please? 2)??Here was a chance for me to _________________myself by inventing something that would catch snakes

8、 but not harm them. 3)??The first thing I tried to do was to see if there were ______________that might help me, but? there only seemed to be _____________kill snakes.?????? 4)???I _________________researching the habits of snakes so I could trap them in the easiest way. 5)??Luckily these ______

9、_________ were small and that made _____________easier. 6)?Between the outside and inside walls of the bowl there is some ___________, which ______________ hard when cooled. I put the bowl into ________________ and waited for 24 hours. ?At the same time I prepared some______________. 7)?The next m

10、orning I got up early before the sun was ____________. I placed _____________over the snakes’ ___________. 8)?They _______________disappeared into a _____________hole in the wall. 9)?Then I ________________ the bowl with the bucket and left everything ______________. 10)?But once _____________, t

11、hey tried to bite me. 11)?As they were ____________, I clearly needed to _____________________again. ?12)?My third___________ repeated the earlier__________. ?This was in the _____________that the snakes would bite again.?But ___________ , the snakes _________ be no trouble and all went __________

12、 plan. 13)?I collected the __________ and the next day we ________ them all back into the wild. 14)?Pressed by my _________ , I decided to send my __________ to the _________ office to get __________ for my successful idea. 15)?The__________ are so strict that it is difficult for __________ to be

13、 accepted unless they are ___________. Ⅳ.重點(diǎn)句型句式重點(diǎn)句型 1. The first thing I did was to see if there were any products that might help me, but there only seemed to be powders designed to kill snakes. 我所做的第一件事就是看看有沒有現(xiàn)成的產(chǎn)品能幫助我。但是，看來只有一種毒殺蛇的藥粉。 在there be結(jié)構(gòu)中，be的人稱與數(shù)應(yīng)遵循就近原則。 There was a bucket of wat

14、er and two chairs in the corner of the house. 在房子的角落里有一桶水和兩把椅子。 There are two chairs and a bucket of water in the corner of the house. 在房子的角落里有兩把椅子和一桶水。 聯(lián)想拓展 there be的常見形式有：there seems to be...／there happens to be...／there used to be ...etc. 高手過招 根據(jù)句意在橫線上填入適當(dāng)?shù)膯卧~（原創(chuàng)） ①The child seems (be

15、) healthy, but the doctor is concerned. ②It seems to me there’s something funny about the case. ③There doesn’t seem (be) much hope that he’ll e. 2. ...but it was not until five days later that Bell sent his first telephone message to his assistant Watson. ……但是貝爾是在五天以后才跟他的助手華生通了第一次電話

16、。 該句是“It is/was not until+被強(qiáng)調(diào)部分+that+其他”結(jié)構(gòu)。 句中用了“not ...until ...”的強(qiáng)調(diào)句結(jié)構(gòu)，此句型只用until，不用till。但如果不是用在強(qiáng)調(diào)句型中，till與until可通用；另外主句中的否定詞not 要提出來，放在until之前一起強(qiáng)調(diào)，因此that后面的從句要用肯定句，不能再用否定句。 He didn’t go to bed until/till his wife came back. =It was not until his wife came back that he went to bed. 直到他的妻子回來

17、他才睡覺。 溫馨提示 not until置于句首時(shí)，要用部分倒裝句型，這時(shí)要注意從句不倒裝，只倒裝主句。 Not until last week did they find the lost bike. 直到上個(gè)星期他們才找到丟失的自行車。 Not until my son had entered the university did he realize the importance of time. 我的兒子直到上了大學(xué)之后才意識(shí)到時(shí)間的重要性。 高手過招 單項(xiàng)填空 ①It was midnight back home after the xperim

18、ent. A. until; that he went B. until; that he didn’t go C. not until; that he didn’t D. not until; that he went ②Not until I began to work realize how much time I had wasted. A. didn’t I B. did I C. I didn’t D. I 【課后作業(yè)與練習(xí)】 Ⅰ.單選 1.--My brother ____________from Shangh

19、ai last night, saying he would offer me a job. -- Congratulations! A. called on me B. called me up C. called me off D. called me in 2. -- Can you _________ the different musical instruments playing now? -- Of course. I can even play all of them. A. recognize B. speak

20、C. judge D. distinguish 3. We have to _______ his bad temper because he is a bit annoyed these days. A. admit B. appreciate C. bear D. accept 4. For all these years I have been working for others. I'm hoping I'll________ my own business someday. A. turn up B. fix up C.

21、set up D. make up Ⅱ. 用所給短語填空 call up?? now and then?? in case?? dive into?? set out to (do)?? get through?? in truth?? hang on?? out of order?? ring back?? ? ring off??? set about? 1 It turned out that the newer was __________ a spy. 2 I won’t __________ my brother unless something unexp

22、ected happens. 3 Please __________. I will go and get her. 4 Our freezer is __________ again. We’d better buy a new one instead of repairing it. 5 Last winter that writer __________ writing a new long novel. 6 The police __________ investigate the cause of the fire. 7 Please take your cred

23、it card with you _________your money is not enough. 8 He is not here right now; will you please __________ later? 9 She _________ her bag and took out a few coins. 10 The line is engaged; I cannot _________ to his office. 11 I must _________ now because I will go to a meeting. 12 ___________, I visit my grandpa and grandma in the country.