九年级英语课本讲解Unit 12

九年级英语课本讲解Unit 121. be supposed to do .应该We are supposed to stop smoking. 我们应该停止吸烟。

知识拓展表示应该的词有：should, ought to ,be supposed to2. shake hands握手shake 本意是“摇动、震动”3. You should have asked what you were supposed to wear.你本应该问清楚怎么样穿才得体。

中的“should have asked”是“情态动词＋现在完成时”表示过去本应该做某事，事实上没有做如：She should have gone to Beijing. 她本应该去了北京。

（没有去）4. be relaxed about sth.对某事随意、不严格如：They are relaxed about the time. 他们对时间很随意。

5. pretty adv. 相当,很＝very She is pretty friendly. 她相当友好。

adj. 美丽的She is a pretty girl.她是一个美丽的女孩。

6. make plans to do == plan to do. 打算做某事如：She has made plans to go to Beijing.==She has planed to go to Beijing.7. drop by 访问看望拜访串门We just dropped by our friends’ homes.我们刚刚去朋友家串门。

8. on time按时/准时in time及时9.after all 毕竟终究You see I was right after all.你看，毕竟还是我对了。

10. invite sb. to do sth. 邀请某人做某事Lily invited me to have dinner.莉莉请我吃晚饭。

11. without 没有12. around the world == all over the world 全世界13. pick up 捡起挑选如：He picked up his hat. 他捡起他的帽子。

14. start doing == start to do 开始做某事He started reading.== He started to read. 他开始读。

15. point at 指向16. stick v. 剌截n. 棒，棍chopstick 筷子是由chop(砍)＋stick(棒)合成，通常用复数形式：chopsticks17. go out of one’s way to do 特意/专门做某事He went out of his way to make me happy.他特意使我高兴。

18. make mistakes 犯错误（复数）make a mistake 犯错误（一个）19. be different from 与…不同Chinese food is different from theirs. 中国菜与他们的不同.20.get/be used to sth./ doing习惯于… be used to do 被用于做… be used for doing被用于做…used to do 过去常常做…I wash clothes eve ryday. But I’m used to it.我每天都洗衣服，但我习惯了I am used to washing clothes. 我习惯于洗衣服了。

The knives are used to cut things. 小刀被用来切东西。

The knives are used for cutting things. 小刀被用来切东西。

She used to watch TV after school. 她过去放学后常常看电视。

21. 我发现要记住每一样事是困难的。

I find it difficult to remember everything.形式宾语真正宾语常见的形式宾语有：find / think + it/them +形容词to do sth. I think it hard to study English.22. cut up 切开切碎Let’s cut up the water melon.让我们切开这个西瓜吧。

23. make a toast 敬酒24. crowd v.挤满其形容词和过去式及过去分词都是：crowded25. set n. 一套v. 设置26. can’t stop doing 忍不住做某事I can’t stop laughing. 我忍不住笑27. make faces做鬼脸28.face to face 面对面29. learn…by oneself 自学I learn English by my self. 我自学英语。

Ⅰ.单项选择( )1.It is not polite to get into a room without _______ first.A knockingB to knockC knockedD knock( )2.Mr Brown ________ the train station ______ three o’clock in the afternoon.A took; atB arrived; inC reached; inD got to; at( )3.They are used to _______ in suburbs（郊外）. A live B lived C living D stay( )4.There is a book on the floor. Please _______. A pick it B pick it up C pick up it D put away it( )5.We go to school ______ foot and eat meals ______ chopsticks.A by; byB with; byC on; withD on; use( )6.You aren’t supposed to eat or drink while _______ down the street.A to walkB walkingC walksD walked( )7. Paul doesn’t have to be made ____. He always works hard. A. learn B. to learn C. learning D. learned ( )8.The key is used to _______ the door. A locking B lock C locked D locks( )9.Jim’s father is used to _______ in China. A working B work C works D worked( )10.Mrs. Black _____ be a doctor, so she _______ others.A used to; is used toB is used to; used toC used to; used toD is used to; is used to( )11.She _________ each of the guests as they came through the door.A put upB exchangedC greetedD wiped( )12.He kept on _____ his eyes with the back of his hand. A wiping B to wipe C washing D to wash ( )13.The math problem is ______ hard, I need _______ time.A a bit; a bitB a bit of; a bitC a little; a little ofD a little; a little( )14.There is ______ time for us ______ finish the work. A much to B enough to C so that D such that ( )15.It’s very kind _____ her ______ after the old man.A for; to lookB for; lookC of; to lookD of; look( )16.------What happened to him ? -------- He fell off the bike . He _________ careful at first.A should beB must beC should have beenD must have been( ) 17. --- Will you come to the dinner party? --- I will not come until Jenny __________.A. will be invitedB. can be invitedC. invitedD. is invited( ) 18. John _______ Beijing the day before yesterday.A. arrived atB. arrivedC. reached toD. arrived in( ) 19.In Switzerland, people ________ visit a friend’s house.A. make plansB. make plans toC. makes plans toD. make a plan( ) 20. It’s too hot. Do you mind ______ the window?A. my closingB. my openingC. openD. close( ) 21.She ______Shanghai next week.A. is leaving forB. leaves forC. leavedD. left( ) 22.What are you nervous _____, Mary? A. in B. at C. on D. about( ) 23.We go to school every day _____ Saturday and Sunday. A. beside B. besides C. except D. except for ( ) 24.Yang Liwei is proud ____ his motherland. A. in B. of C. from D. for( ) 25. I find _____ difficult to remember everything, though I’m still young. A. that B. this C. it D. what( )26.He _____ at the last party. He felt sorry for it.A. makes some mistakesB. make a mistakeC. made few mistakesD. made many mistakes( )27. ---Is it easy for people from different countries to greet each other?--- I don’t think so. Because different countries have different _______.A. clothesB. foodC. wayD. customs( )28. --- What ______ you ____ to your teacher if you are not on time?--- I think we do the same as you do.A. do, tellB. do, sayC. will, sayD. will, tell( )29. Linda is new here. But she soon ________ getting up early.A. get used toB. is used toC. used toD. uses to( )30. Your son was supposed here an hour ago. A. to be B. to coming C. arrive D. to goII.完型填空Once an Arab was travelling in the desert. When the sun went down in the west, he stopped and 1 his tent, made a fire and had a simple meal. When night fell, he 2 down to sleep.He had already fallen aslep when he felt a soft 3 on his elbow. He woke up to find that his camel had put his head inside the tent. The camel said, “Would you pleas let me 4 my head in the tent to get warm It’s so cold outside. I won’t take up too much 5 .The Arab was a kind-hearted man.“All right,do as you 6 ,”he said.Then he turned on his side and back to sleep.It wasn’t long 7 he felt a push on his shoulder. It was the camel again. “Dear master,” the camel said, “ my head is quite warm now, but my neck is still cold. Do you mind 8 I keep it ins ide the tent, too?”“No, not at all,” the man said. But this time he felt a bit 9 , as the camel had such a long neck.No sooner had cloesed his eyes 10 he got a harder push in his side. This time the camel said, “Will you please allow me to bring m y front legs inside and warm them up a little?”The Arab 11 over to one side of the tent. He made himself as small as he could. It wasn’t 12 cofortable, and sleep was now out of the question.Soon after that the camel gave him a rough push and said, “The tent is too small for the two of us. 13 , my two back legs are still left in the cold. It is only 14 that you should leave the whole tent to me.”And with that, the camel 15 the poor man out.( )1. A. built B. made C. put up D. set( )2. A. laid B. lay C. lied D. went( )3. A. touch B. beat C. kick D. bite( )4. A. hold B. place C. keep D. reach( )5. A. place B. tent C. room D. blanket( )6. A. please B. alike C. are like D. want( )7. A. after B. before C. since D. then( )8. A. whether B. as C. that D.if( )9. A. crowded B. comfortable C. warmer D. narrower( )10. A. than B. then C. when D. after( )11. A. went B. walked C. climbed D. moved( )12. A. very B. much C. a bit D. a little( )13. A.Except B. Besides C. After all D. But( )14. A.bad B. wrong C. sorry D. right( )15. A.pulled B. touched C. kicked D. letIII.阅读理解（A）Tony: These days, the word “clone” has been seen very often in the newspapers. Do you know its meaning?Lana: I read a report. It said that Dr. Ian Wilmut successfully cloned a lamb named Dolly from a grown-up sheep. So people call him the “father” of Dolly.Tony: In fact, the word “clone” means to produce the “same” animal by taking cells from a grown-up one. I think, if we know how to do cloning, we need only to keep a small number of sheep, cows or horses.Lana: What’s more, these days some peopl e even want to clone humans. They have asked: Can we clone ourselves?Tony: It seems interesting. But do you think it possible to do that?Lana: No, impossible! First, I think we cannot clone a dead person, because the cells in his body are dead already.Tony: Then can we clone a living person?Lana: Again no! You might clone yourself one after another, but it is only a copy, not a real you. It is only something, not a “human”.Tony: Well, you mean that it is not a real human.Lana: True enough! I think Dr. Wilmut would most like to make better animals, and it has nothing to do with human cloning.( )1. The word “clone” means ___________.A. to give birth to a new lifeB. to make a new thing according to the sampleC. to make a new animalD. to make a new living thing by taking cells from an old one( )2. Dolly was the name of _________.A. the father of a sheepB. a famous scientistC. a sheep that was clonedD. a grown-up sheep( )3. Lana says Dr. Ian Wilmut is the “father” of Dolly. Here, she means _______.A.Dr. Ian Wilmut gave Dolly a new lifeB. Dr. Ian Wilmut was the first man to clone a sheep in his labC. Dr. Ian Wilmut takes care of Dolly like a fatherD. Dr. Ian Wilmut has a daughter whose name is Dolly( )4. What are Tony and Lana talking about? They are talking about _________.A. a newspaperB. sheepC. Cloning techniqueD. humans( )5. According to the text, which of the following is TRUE?A. Scientists have successfully cloned humans.B. Dr. Wilmut likes to do human cloning.C. Cloned animals are better than grown-up ones.D. Lana thinks humans shouldn’t be cloned.（B）When Martin was a little boy, he lived in the town of Holtham. At the time, Martin thought that the little town was a very big town.Well, Martin came back to Holtham last night. “It’s a small town!” he said to himself.The town has changed very little in the past forty years. But Martin has changed a lot. He has grown into a man. His ideas are a man’s eyes.Martin stayed in the town for five hours. He walked from street to street, but he knew nobody. Who were the strangers, the people in Holtham or Martin? Martin suddenly understood it all. Not the people in the town but he.( ) 1. Holtham was ______________.A. a little countryB. a small townC. a big townD. a big country( ) 2. Martin left the town __________.A. when he was 40B. 40 years agoC. 14 years agoD. 5 hours ago( ) 3. During his five hours’ stay in the town, Martin __________.A. met no friendB. didn’t want to see his friendsC. saw nobodyD. saw a lot of friends( ) 4. Which of the following is true? __________.A. Martin has never lived in the townB. Holtham was a town of strangersC. There have been great changes in the townD. A man’s ideas are different from a child’s( ) 5. Now Martin sees things through ________________.A. a boy’s eyesB. a child’s eyesC. a man’s eyesD. a stranger’s eyes（C）There are students from all over the world at the United World School. In this school these students study and spend their free time together. The school believes this will help them grow up to be knowledgeable, caring and friendly.Once a year, there is a special “United Nations” show. Students are allowed to show anything they want, but anything that comes from their traditional cultures. To get ready for the festival, they have to teach each other. And the school believes this will help them understand and enjoy the culture of their friends better.This school also believes that students should be allowed to make some decisions themselves. For example, the older students are allowed to wear what they want and the younger students are allowed to choose which kind of uniform they want to wear. But all students are asked not to wear an expensive necklace or something else like that, and not to wear clothes that will make other students unhappy.It is never possible to make everybody happy, but if we want to have a much more wonderful world, it is important for students to understand and enjoy other cultures as well as to be proud of their own.( )1. Where do the students at the United World School come from? _____A. ChinaB. AmericaC. CanadaD. All over the world( )2. What are the students allowed to do at the United World School? _______A. To do everything they wantB. To wear anything they wantC. To decide something themselvesD. To choose anything they want( )3. Which of the following is NOT right according to the passage? _________.A.The school can help the students grow up to be friendlyB.The school allows the students to make some decisionsC.We can make everybody happy by understanding each otherD.It’s important to help the students understand other cultures.( )4. What can Li Lei, a Chinese boy, show on the festival according to the passage? ________A.Play the pianoB.Act Beijing OperaC.Sing an English songD. Have a rock show( )5. What does “this” in the passage? ___________A.The “United Nations” showB.The traditional cultureC.The schoolD.The world（D）Now satellites are helping to forecast（预报）the weather. They are in space, and they can reach any part of the world. The satellites take pictures of the atmosphere（大气）, because this is where the weather forms（形成）. They send these pictures to the weather stations. So meteorologists（气象学家）can see the weather of any part of the world. From the pictures, the scientists can often say how the weather will change.Today, nearly five hundred weather stations in sixty countries receive satellite pictures. When they receive new pictures, the meteorologists compare（比较）them with earlier ones. Perhaps they may find that the clouds have changed during the lastfew hours. This may mean that the weather on the ground may soon change, too. In their next weather forecast, the meteorologists can say this.So the weather satellites are a great help to the meteorologists. Before satellites were invented, the scientists could forecast the weather for about 24 or 48 hours. Now they can make good forecasts for three or five days. Soon, perhaps, they may be able to forecast the weather for a week or more ahead（提前）.( )1. Satellites travel_____. A. in space B. in the atmosphere C. above the ground D. above space( )2. Why do we use the weather satellites to take pictures of the atmosphere? Because __________.A. the weather satellites can do it easilyB. clouds form thereC. the weather forms thereD. the pictures can forecast the weather( )3. Meteorologists forecast the weather __________.A.when they have received satellite picturesB.after they have compared new satellite pictures with earlier onesC. before they received satellite picturesD. during they study satellite pictures( )4. Maybe we’ll soon be able to forecast the weather for ________.A. one dayB. two daysC. five daysD. seven days or even longer( )5. The main（主要的）idea of this passage is that satellites are now used in _________.A. taking pictures of the atmosphereB. receiving pictures of the atmosphereC. doing other work in many waysD. weather forecastingIV.根据句意和中文意思或所给词，写出正确的单词。