高中英语 unit3 Tomorrow's world-task学案 牛津译林版必修4

Unit3 Tomorrows World Task学案Teaching aims:1. Help the Ss to improve their listening ability and their skills of telling the facts and stating personal opinions.2. Make sure that the Ss know the difference between the facts and opinions.Teaching procedures:Skill building 1: distinguishing between facts and opinionsStep one: completing a note sheetSkill building 2: asking for informationStep tow: finding out about the computer roomSkill building 3: formal writingStep three: writing a proposal for a new computer room Useful words and expressions1. Therefore, I am writing to you to voice my opinions.(1) therefore adv. 因此，所以Eg. He worked day and night, and therefore he was able to buy the sports car.He was the only candidate. Therefore, he was elected.Therefore 和so两词都作“因此”讲。Therefore作因此讲时是副词，通常不用来连接两个分句；而so 是连词，因此他可以用来连接两个分句。Eg. Mr. Brown knows little about China and therefore he cant advise you about it.= Mr. Brown knows little about China, _ he cant advice you about it.= Mr. Brown knows little about China. _, he cant advice you about it.(2) opinionEg. Whats your opinion of the new plan?Everyone had a different opinion on the subject.in sb. s opinionhave a good/ bad/ high/low opinion of 对评价好/不好/高/低give/ express/ voice an opinion (on) 对发表意见2. In my opinion, it is about time we had new computers.It is (high/ about) time that 后面的从句谓语动词通常用过去时表示现在或将来，有时也用“should动词原形”(should不可省略)， 其意为“早该做某事了”Eg. Its high time you clamed down and set a clear aim for yourself.In my opinion, its time you should take action.= In my opinion, its time_ take action.3. During the journey, the professor and his nephew come across the Central Sea, a big underground ocean.Come across (不用于被动语态)（1）（偶然）遇见，碰到，发现 （across 为介词，后接宾语）Eg. I came across the children sleeping under the bridge the other day.(2) vi. 被理解，被弄懂Its a pity that your meaning didnt _.很遗憾你的意思没有真正被理解。（3）提供，给予（常与介词with连用 ）I hope she would come across with some more information.Come about 发生Come out （太阳，月亮或星星）出现；出版Come true 实现你能告诉我事故是怎样发生的吗？4. rescue vt. n. 营救；援救常用于：rescue sb. (from)营救某人；come/ go/ to ones rescue 来/去救援某人；a rescue party 救援队eg. The soldier rescued the baby from the ruins.5. force n. 力量，武力；效力辨析：force指物理学意义上的力，尤指人或物撞击或推动物体时所用的力；也指为做成某事而使用的力量，还可指武力，效力。strength指物的强度，人的力气，尤指承受重物的力量。还可指人的强项，长处。energy用于人时指精力；还可指能源，能量。power能力；电力，动力；影响力；权利eg. He fell to the ground under the _ of the blow.I dont have the _ to carry you any further.It is not within my _ to help you.He is a man full of _.6. guide vt. 给某人领路或导游；指导（人）n. 指南；手册；导游eg. If you dont have a compass, use the stars to guide you.He guided his new business _ success.他引导他的新事业走向成功。She guided the tourists _ the city.她领着游客们游览了这个城市。This is a guide _ Egypt.这是本埃及旅游指南。Exercise:一、 单选1. It is time that we _ a final agreement to solve the problem.A. reach B. have reached C. reached D. reaching2. Mr. Black hurried to the theatre only _ that the performance was over.A. to have found B. findingC. found D. to find3. How did it _ that he knew where we were?A. come over B. come outC. come about D. come up4. Firefighters attempted to _ the boy from the fire, but unfortunately they failed.A. regain B. recover C. rescue D. reserve5. We reached the destination finally with a native _ the way.A. leading B. to lead C. led D. lead6. I have to go to work by taxi because my car _ at the garage.A. will be repaired B. is repairedC. is being repaired D. has been repaired7. The poor man, _, ran out of the dark cave.A. trembled and frightened B. trembling and frightenedC. trembled and frightening D. trembling and frightening8. Kids should be correctly _ in their daily life.A. shown B. guided C. taught D. led9. The soldiers kept a _ watch on the enemy in case they might get _ to them at midnight.A. closely; closely B. close; closeC. closely; close D. close; closely10. - Do you think what Tom does all day?- I know he spends at least as much as time watching TV as he _ his lesson.A. is doing B. does doing C. does D. spends in二、阅读理解To be a good teacher, you need some of the gifts of a good actor; you must be able to hold the attention and interest of your audience; you must be a clear speaker with a good, string, pleasing voice which is fully under your control; and you must be able to act what you are teaching, in order to make its meaning clear.Watch a good teacher, and you will see that he does not sit motionless before his class: he stands the whole time he is teaching; he walks about, using his arms, hands and fingers to help him and his expressions, and his face to express feelings. Listen to him, and you will hear the loudness, the quality and the musical note of his voice always changing according to what he is talking about.The fact that a good teacher has some of the gifts of a good actor doesnt mean that he will indeed be able to act well on the stage, for there are very important differences between the teachers work and the actors. The actor has to speak words which he has learnt by heart; he has to repeat exactly the same words each time he plays a certain part, even his movements and the ways in which he uses his voice are usually fixed before hand. What he has to do is to make all these carefully learnt words and actions seem natural on the stage.A good teacher works in quite a different way. His audience takes an active part in his play: they ask and answer questions, they obey orders, and if they dont understand something, they say so. The teacher therefore has to suit his act to the needs of his audience, which is his class. He cannot learn his part by heart, but must invent it as he goes along.I have known many teachers who were fine actors in class but were unable to take part in a stage play because their brains wouldnt keep discipline: they could not keep strictly to what another had written.1. What is the text about?A. How to become a good teacher.B. What a good teacher should do outside the classroom.C. What teachers and actors could do outside the classroom.D. The similarities and differences between a teachers work and an actors.2. In what way is a teachers work different from an actors?A. The teacher must learn everything by heart.B. The teacher knows how to control his voice better than an actor.C. The teacher has to deal w