1、Chapter 4 A dangerous servant一、词汇1. dangerous adj. 危险的 danger n. 习惯用语：in danger 处于危险中2. servant n. 佣人、仆人 serve v. 接待，服务 service n. 服务3. electricity n. 电 electric adj. 电的；用电的 electrical adj. 用电的；与电有关的来源:学优中考网 xyzkw4. but sth. in packets 成包买 习惯用语：buy sth.for= spend on sth.5. flow(into, through, etc.st
2、h.) v. 流；流动6. explanation n. 解释；说明 explain v. 解释7. invisible adj. 看不见的，不可见的反义词：visible adj. 看得见的vision n. 视力；视野have good / normal vision 视力好 / 正常8. energy n. 能量；能heat energy 热能 light energy 光能9. connect v. （使）连接；联结习惯用语：connect A to / with Bconnect A and B10. bury(buried, buried)v. 把（某物）掩藏在地下习惯用语：bur
3、y ones nose in a book 埋头看书11. power n. （ 1）电力供应 a power station 发电厂；发电站 （2）能力powerless adj. 无能为力的 be powerless to do sth.powerful adj. 强有力的 powerful weapons 强大的武器12. contain v. 包含；含有；容纳container n. 容器13. chemical （ 1）n. 化学物质 （2）adj. 化学的chemical changes 化学变化chemistry n. 化学chemist n. 化学家；药剂师14. produc
4、e v. 生产product n. 产品 meat products 肉制品production n. 生产；产量二、句式1. Although electricity is much more dangerous than water, 尽管电比水要危险得多，来源:学优中考网（1）although conj. = though 虽然；尽管（2）much more dangerous than much 用来修饰比较级可以修饰比较级的词 much, a lot, far, 得多 a little, a bit, 一点儿even 甚至， still 仍然来源:xyzkw.Com2. Can yo
5、u tell me what it looks like? 你能告诉我它看起来像什么吗？3. We call the thick wires cables. 我们把粗电线叫做电缆。4. We can change it into forms of energy that we can see, hear or feel.That we can see, hear or feel 是定语从句，修饰 energy。that 为关系代词，在定语从句中做宾语。三、语法May I / we ？这一类疑问句的肯定回答为 Yes, please. 或 Certainly;否定回答为 Please dont.
6、 或 No, you mustnt.随堂反馈I. Choose the best answers:来源:xyzkw.Com( )1. John, look at the time. _ you play the piano at such a late hour?A. Must B. Can C. May D. Need( )2. There _be any difficulty about passing the road test since you have practiced a lot in the driving school.A. mustnt B. must C. should
7、nt D. neednt( )3. Excuse me. _ you please pass me that cup?A. Do B. Should C. Would D. Must( )4. We forgot to bring our tickets, but please let us enter, _?A. do you B. can we C. will you D. shall we( )5. Black holes _ not be seen directly.A. can B. should C. must D. need( )6. Must he come to sign t
8、his paper himself?Yes, he _.A. need B. must C. may D. will( )7. The World Wide Web is sometimes jokingly called the World Wide Wait because it _ be very slow.A. should B. must C. will D. can( )8. Why dont you ask Mike to go with us?Thanks, _.A. I will B. I wont C.I can D. I may( )9. I think Ill give
9、 Bob a ring.You _. You havent been in touch with him for ages.A. will B. may C. can D. should( )10. Could I have a word with you, mum?Oh dear, if you _.A. can B. must C. may D. should( )11. The poor man needs our help, _ he?A. need B. neednt C. does D. doesnt( )12. The winner of the race is a tall a
10、nd thin boy with thick glasses.Then it _ be my friend Mike. He is not good at running.A. mustnt B. cant C. might D. shouldII.Rewrite the sentences as required:1. My father bought me a new bicycle. （改为被动语态）A new bicycle _ _ for me by my father.2. Everything goes well.（改为反意疑问句）Everything goes well, _
11、_?3. They are running fast. （改为感叹句）_ _ they are running!4. She became ill because it was too cold. （改为简单句）She became ill _ _ the cold weather.5. He asked the girl:Why do you live in the country?（改为间接引语）He asked the girl _ she _ in the country.III. Complete the sentences with the given words in their
12、 proper forms:1. I could not find my little brother because he was _ in the big crowd. (vision)2. He is good at all the subject except _. (chemical)3. It is common knowledge that tigers are _ to people. (danger)4. Phelps won eight gold medals at the Beijing Olympics, so he is _ known in the world. (
13、wide)5. You can find the books you want to borrow easily with the help of the _. (library)来源:学优中考网IV. Complete the sentences with the given words in their proper forms:1. They _ (be) friends since they were boys.2. Tom often _ (go) to the school library to borrow books.3. By the end of last term, we _ (learn) more than one thousand English words.4. Please _ (not make) any noise. We are having a meeting.5. I am very sorry. I really _ (not know) you were having a talk here.6. The boy is used to _ (get) up early now.学.优中$考*，网
