1、Unit 4 topic 2 section A【學習目的標】1.掌握Im sure和Are you sure?句型。2.談論機器人的優(yōu)點和缺點。【重點難點】1. take the place of 和 instead of 的用法。2. repair 和mend的用法。【課前準備】一知識回顧 1.Edision is a great_.he_ many things. The light is one of his great _.(invent)2.Just then ,he met a _ animal.He was in _(danger). 3.The photo can make

2、me _(think) of my grandmother,and it can make me _(happiness). 4.Xiao ming likes _,he wants to be a _when he grows up.(science) 二掌握下列單詞的讀音和詞義 robot, scientist , appear , machine, truck , mend, take the place of, situation, repair 三預習課文并找出下列短語，掌握運用 關于機器人的一些事 像的一些東西 代替（動詞短語）_代替（介詞短語）_ 在一些情形下_非常確定 _ 拯救

3、處于危險中的人 _修理機器 _ 修路 _ 失業(yè)_使人類懶惰_做危險的工作_ 兩年后_ Robot can work without pay _ 四知識連接 1.take the place of sb.=take onces place 代替 eg. Miss Wang took the place of Mr. Li to give us a piano lesson today. =Miss Wang took Mr,Lis place to give us a piano lesson today. instead of 代替（介詞短語） =Miss Wang gave us a pia

4、no lesson instead of Mr. Li. to do He is sure to be the winner. 2.be sure of +名詞 He is sure of his success。 that He is sure that he will win the match. 注意：若主句和從句是同一個人，可以用to do 句型表示。若不是同一人則不能。 Eg: =He is sure to be the winner. 3.修理 mend 一般用于衣服、鞋襪等小東西，偶爾也用于道路、門窗等。 修補 repair 用于建筑、堤壩，機器，車輛等 eg. She is _

5、 a clothes for her son. Who can _ the bike for me,please? 4.工作 job 可數(shù)名詞 指職業(yè) Whats your job? work 不可數(shù)名詞 指臨時性工作 a piece of work eg. He has no _,but he found a piece of _ yesterday. 5.in與after 在之后 in 用于將來時中，表示一段時間之后 eg.Hell be here in two days. 對劃線部分提問用how soon 多久 after 用于將來時中表示一個行為或具體時刻之后。 eg. Tom wil

6、l be back after he finishes his work. Tom will be back after two oclock.（向劃線部分提問用when）請寫下你預習時遇到的問題：【課堂活動】1. 交流合作預習導航部分，解決疑難。2. 學習課文內(nèi)容1） 默讀1a，劃出重點詞語。做1B。 2)小組合作完成3 group work3） 學生提出疑難，師生解答。 4)聽錄音跟讀1A和2 section。3.成果展示（10分鐘）1） 小組間賽讀1A，或分角色朗讀或表演1A. 2)表演3 group。4.做課堂反饋習題（10分鐘）一 根據(jù)句意和首字母提示完成單詞。1. Edison w

7、as a great s_,and he invented more than one thousand things.2. I really want a r_. It can do a lot of work instead of me.3. If you are in a difficult s_, dont worry .We will help you.4. My bike is broken. Could you help me m_ it?5. When you are walking on the road, a car may a_ suddenly and hit you.

8、 You must be careful.二 看誰是火眼金睛（ ）1.Could you _ Miss Lee to have lessons for her students? She is ill today. Certainly. A. instead B. instead of C.take the place of D.take place of( )2.Listening to music can make people _,so many people like it. A. sad B. angry C. relax D.lazy ( )3.My mother will com

9、e back _,so Im very sorry. A. after two days B. two days ago C. last two days D. in two days( )4.Are you sure you will wait for us? _ There is little left. A. Yes , Im sure. B. No, Im not sure. C. Yes, quite sure. D. Both A and C.( )5.If robots do a lot of work instead of humans.people will get _. A

10、.healthier B.lazier C.richer D.busier請寫下學習本課的心得和感受：作業(yè)卡一 同學們，當好小小翻譯官吧！1. 我們確信機器人能比人類做得更快更好。We _ _ robots can do _ and _ than humans.2. 機器人能代替人類做一些艱難的工作。例如：它能挽救處于危險中的人。Robots can do hard work instead of humans.For example,it can save people _ _.3. 如果你有一臺電腦，你將用它做什么？What _ you use it to _ _ you have a c

11、omputer? 4.對我們來說，使用機器人好不好？ -我認為是好的。 Is using robots _ _ _ for us? I think its good. 5.因為出現(xiàn)了機器人，很多人都失業(yè)了。 Many people _ _ _ because robots appeared.二你能完成下列句子嗎？1.Robots can take the place of humans to do some dangerous work.(同意句轉換) Robots can do some dangerous work _ _ humans.2.You are right.Im sure.(合并成一句) _ _ you are right.3.Beijing will become more beautiful in two years.(對劃線部分提問) _ _ will Beijing become more beautiful?4.We cant finish the