1. 9B Unit 1 Life on Mars 9B Unit 1 Life on Mars

2. A Using can; could; may; might to talk about permission 1 明天我能去那里吗, 妈妈 ? 2 吴老师, 我能用你的电脑吗 ? Can I go there tomorrow, Mum?( Could I…) Yes, you can. No, you cannot/ can’t. May I use your computer, Mr Wu? (Might I…) Yes, you may. No, you may not. 提示： can/ could 一般用在比较熟悉的人之间， 如朋友及家人； may/ might 一般用在陌生人或 你尊敬的人之间.

3. Write sentences to ask for permission in the following situations: 1. You are on a bus and the person in front of you has the window open. It starts to rain and you are getting wet. 2.You missed the last English lesson. You want to look at your friend’s notes. Could /May I close the window? Can I look at your notes?

4. 3.You want to ask your teacher for permission to leave school early today. 4.Your friends are going to the cinema tonight. You want to go too. 5.Your uncle and aunt have invited you to join them for a walk in a park nearby. You want to bring your dog along. Could I leave school early today? Can I join//go with you? Could I bring my dog?

5. 6.You are in the library at lunchtime. You ask the librarian if you are allowed to eat your lunch in the library. 7.You are on the bus again. It is stuck in the traffic. You ask the driver to let you off between stops. 8.Your cousin is watching a boring programme on TV. You ask her for permission to change the channel. May I eat my lunch here? Could /May I get off the bus? Can I change the channel?

6. Grammar B&C Object clauses introduced by ‘that’, ‘if’ or ‘whether’

7. Object clauses introduced by ‘that’ The population of China is still increasing quickly. People cause much pollution such as air, water and noise pollution. We all know Earth (that) is becoming more and more crowded and polluted.

8. What can robots do today? They can be used to work in space, care for the patients and dance with people. Many people believe robots (that) will do most of our work.

9. We all know (that) Earth is becoming more and more crowded and polluted. Many people believe (that) robots will do most of our work. S V O SV O

10. Write an ‘O’ for a sentence with an object clause and an ‘N’ for a sentence that does not. 1These plants will produce food and oxygen that we need to live on Mars. _____ 2Scientists will develop plants that can grow on Mars. _____ 3People think that humans on Mars have to wear special boots to make themselves heavier.____ 4We all know that Mars is a planet in the solar system. _____ 5The journey to Mars could take only a very short time in space shuttles that travel at half the speed of light. _____ 6Some scientists do not believe that the journey to Mars will be very comfortable. ______ N N O O N O

11. Rewrite the following sentences with ‘that’. 1The victim was guilty of computer crimes last year. Do you believe… 2The young man put up a good fight with the murder. The police think… 3The police can catch the murder soon. We hope… 4The suspect wasn’t guilty. Many people think… Do you believe that the victim was guilty of computer crimes last year? The police think that the young man put up a good fight with the murder. We hope that the police can catch the murder soon. Many people think that the suspect wasn’t guilty.

12. 5The earth travels around the sun. The geography teacher told us… 1 Her parents have been to Beijing. Millie didn’t know… 2 She will go skiing in Canada this winter. Millie hoped… 3 She turned off all the lights of her classroom. Millie was sure… 4 She goes to badminton club twice a week. Millie told us… 宾语从句主句是一般过去时， 从句别忘了做变化 真理 that her parents had been to Beijing. Millie hoped that she would go skiing in Canada that winter. that she had turned off all the lights. that she went to badminton club twice a week. More Exercises The geography teacher told us that the earth travels …

13. 1 “Are you listening to music?” I wondered… 2 “Did Sandy revise for the English text yesterday?” I asked… 3 “Will the students in class 1 go climbing?” I didn’t know… I wondered if you were listening to music. I asked if Sandy had revised for the English text the day before. I didn’t know if the students in class 1 would go climbing. Object clauses introduced by ‘if’ ‘whether’

14. 1Will transport on Mars be much better than on Earth? Are you certain _________________________________? 2Is gravity a problem for the early settlers on Mars? Can you tell me _________________________________? 3Does it take very long to travel from Earth to Mars? Do you know ___________________________________? 4Are many people going to move to Mars? Can you tell me _________________________________? 5Did the USA send a space robot onto Mars last years? Do you know ___________________________________? if/whether transport on Mars will be much better than on Earth if/whether gravity is a problem for the early settlers on Mars if/whether it takes very long to travel from Earth to Mars if/whether many people are going to move to Mars if/whether the USA sent a space robot onto Mars last year Check out your answers on page 15 C1

15. 1Daniel is still not sure he wants to go to Mars. 2Simon wants to know that if we need to wear special boots on Mars. 3Daniel is wondering that there are shopping malls on Mars. 4I don’t know if will the students arrive on time. 5The students want their teacher to tell them if do they have to bring some water with them. 6The teacher asks Tom whether has he closed the window before leaving the classroom. Correct the mistakes if/whether that 去掉 if the student will he has

16. Daniel is writing in his diary about what he has found about living on Mars. Help him complete his diary with ‘that’, ‘if’ or ‘whether’. Dear Diary Do you believe (1) ______ man will be able to live on the planet Mars in the future? Scientists are working hard to make this dream come true. However, they are still not sure (2) _________ we could grow plants on Mar. Also, many scientists think (3) _________ gravity is a problem for the first settlers. They all agree (4) _______ the journey to Mars will not be comfortable. Therefore, I am wondering (5) _______ there will be many people willing to move to Mars. that if/whether that if/whether

17. Summary 宾语从句从句式结构看宾语是句子 当表语表示的是陈述句时（肯定或否定） 用 ‘that’ 引导， ‘that’ 无意义可省略 如果从句表达的是 ‘yes’ 、 ‘no’ 的句型， 用 ‘if’/ ‘whether’ 引导表示是否 宾语从句的从句一定要用陈述句（主谓）的语序 宾语从句的主语如果是现在时，从句的时态不受限制， 但如果是过去时，从句要用过去时的相应时态 （真理除外）

18. 回扣目标 1 —Do you know _________ I could pass the exam? —Sorry, I've no idea. A. that B. whether C. what D. which 2 Millie told us _____ she would have a meeting the next day. A. that B. whether C. if D. what 3 I want to know if _________ a meeting tomorrow. A. you have B. you will have C. do you have D. will you have 4 He asked me whether I __ to his birthday party if I __ time. A. was going, had B. would go, would have C. was going, was going to have D. will go, have 5He said that he _________ to visit that famous museum the next week. A. will go B. should go C. were going D. would go B A B A D

19. 6 Please tell me _________ you can come or not. A. if B. whether C. weather D. how 7 I wondered _________ go there. A. whether to B. whether can I C. if to D. if I 8 A: Could you tell me ________ she is looking for? B: Her cousin, Susan. A. that B. whose C. who D. which 9 Could you tell me________? A. when did Tom come back B. when does Tom come back C. when Tom will come back D. when comes Tom back 10 A: Could you tell me ________? B: I'm not sure. A. how many people have been out of hospital B. when is Thanksgiving Day C. which animal does he like best D. what time will the dolphin show start if/whether 都解释为是否，当从句中有 or; or not; to do 时 只能用 whether B A C C A

20. 11.---_________I take the newspaper out of the reading room? No, you mustn’t. You _______ read it only here. A Must; can B May; should C Need; must D Must; must 12.---_______you please tell me something about the life in Canada? Sorry, I ________. I don’t know either.I’m from Australia. A Could; couldn’t B Can; Couldn’t C Could; can’t D Can; mustn’t B C