吉林省伊通满族自治县第三中学校高中英语人教版选修8UNIT 2 CLONING 第2课时 .doc

1、 教学内容Book8 Unit 2 Cloning Period2 Language points教师个案学生笔记学习目标Let students learn the usage of the following words and expressions: pay off, on the one hand.on the other hand, cast down etc.学 习重 点1. Enable students to grasp the usages of such important new words and expressionsclone, commercial, produ

2、cer, undertake, arbitrary, object, forbid, accumulate, cast down, object to, the media, in favour of2. Get students to master the patterns ：It is a way of. The fact is that. The question that occurred .学习难 点Get students to understand some differences of some similar words and phrases .学习方 法 自主合作探究学习

3、过程 学习过程一、 探索新知Listen to the tape of the text and underline the new words in the text;Learn the new words and phrases after the teacher . Ask for help if necessary.二、 新知应用A:重点单词 1. differ vi. differ ( vi.), 主要有两个义项：“不同, 相异；不同意, 意见相左”。常见的搭配有：1). sb. differ from/with sb. on/upon/about sth.; (某人与某人在.方面意

4、见不同)2). sth. and sth. differ in ;（某物与某物在.方面不同）3). sth. differ from sth .（某物与某物不同）即时练习：用介词 from, with, on, about, upon 或 in 填空。(1) We differ _ him _ _ that question.(2) The two nations differ _ culture and religion. (3) The climate here differ _ that of the South.汉译英：这个小男孩在性格方面不同于他的母亲。 2. undertake v

5、t. (undertook; undertaken) 归纳拓展：undertake是及物动词, 主要有两个义项: 着手做, 从事, 进行; 担任, 承担, 答应, 同意。 即时练习：完成下列句子。 (1) He will _ _ _ next month (去旅行). (2) He _ _ _ _ (承担一项新任务).3. disturbing adj.归纳拓展： disturb vt. 扰乱, 使不安, 弄乱; disturbed adj. 被扰乱的, 动乱的, 不安的；disturbing adj. 令人不安的。特别提示:现在分词表示: 令人怎么样, 过去分词表示: 被使得怎么样, 感到怎

6、么样。 即时练习：用disturb, disturbing, disturbed填空。(1) Im very _ about Alice.(2) Dont _ the papers on my desk.(3) This country is in a _ state.(4) What _ news it is!(5) A light wind _ the surface of the water. 4. object (v. ) & objection ( n.) 归纳拓展：object to (doing ) sth. object + that 从句 objection是名词, 常与ha

7、ve, take, feel 等连用构成词组：have / take / feel objection to (doing )sth. 即时练习: 句型转换(1) Have you any objection to my opening the window? = Would you _ _ my opening the window?(2) take objection to smoking.= I _ _ smoking.(3) “But he is too young,” she argued.= She _ that he was too young. 5. forbid vt. (f

8、orbade; forbidden) 归纳拓展：forbid 是不及物动词, 常见的搭配有： (doing) sth.forbid sb. to do sth. sb. (doing )sth. that 即时练习：完成下列句子(1) The school _ _ _ _ _ (禁止学生吸烟).(2) He is forbidden to _ _ _ (进入这个房间). 6. accumulate 归纳拓展： accumulate可作及物动词和不及物动词，表示: 收集, 聚集, 堆积。 即时练习：完成下列句子(1) He quickly _ _ _ (积蓄了一大笔财富).(2) Clouds

9、began to _ _ _ _ (在天空中聚集). B：重点词组 1. cast down 使沮丧 （常用于被动语态或作表语） 即时练习：将下列句子译成英语(1) 听到这个消息他很沮丧。 _(2) 发现事情的真相使他很沮丧。 _ 2. pay off 归纳拓展：pay off 有三个义项：成功；付清薪水并解雇；偿还（债务等）。 pay back 报答；报复 用介词back, off, to,填空: (1） -your effort is sure to pay_. - Thank you for your encouragement（2） The supermarket _ which he

10、 had ever paid a visit， was burnt to the ground.（3） How can I pay you _ for all your kindness？（4） Well， after these years， we ve at last paid _ all our debts. 即时练习：将下列句子译成英语(1) 他在父亲的帮助下还清了全部债务。 _ _(2) 你的努力会有好结果的。 _ 三、当堂检测1. She always differs _her daughter _how to spend the vacation. A. on; with B.

11、with; on C. at; with D. from; in 2. Its about seven oclcok now, _, its seven three. A. to be exact B. to be honest C. to tell the truth D. generally speaking 3. Scientists have_ a major breakthrough in disease. A. given B. put C. sent D. made 4. He was _by so many _matters. A. disturbed; disturbed B

12、. disturbing; disturbing C. disturbed; disturbing D. disturbing; disturbed 5. Dont be so _. Just keep up your spirits. A. cast down B. put down C. turned down D. taken down 6. The hotel was nice; the beach was beautiful. _, Id say it was a great vacation. A. Altogether B. Generally C. Together D. Us

13、ually 7.I object to _like that. A. speak B. speaking C. be spoken D. being spoken 8. At the conference he was forbidden _ the subject again. A. mentioningB. to mention C. mention D. mentioned 9. The workers were fighting the manager of the factory. A. against B. with C. for D. about 10. The company

14、is starting a new advertising campaign to _new customers to its stores. A. join B. attract C. stick D. transfer11. -Mum, have you _the shoes? -of course, Baoby! A. paid back B. paid off C. paid for D. paid in 12. I have _things to do today. A. a great deal of B. lots of C. a good many D. plenty of13

15、. Great changes have _in Yanan these years. A.t aken place B. happened C. come about D. occured14. _he came to love sports, he became much stronger than before. A. Shortly after B. After shortly C. Before long D. Shortly 15.Im very busy now. Dont _me. A. damage B. bother C. forbid D. cheat 16.If you

16、 read fast every day, you _improve your English level. A. are bound to B. are bounded to C. bound D. bound to 17. I still see her_, but not very often. A. from time to time B. in time C. all the time D. at all times 18. It is reported that the Israeli scientists have _seed of more than 2000 years ba

17、ck to life recently. A. sent B. brought C. given D. come 19. He cant resist _when he sees such a strange person. A. to burst into tears B. burst into tears C. bursting into tears D. being burst into tears 20. Im not trying to criticize you; Im _trying to find out how the accident happened. A. merely B. completely C. hardly D. normally 四、反思质疑