高中英语Unit4languagepoints学案新人教必修.doc

广东省惠州市惠东县惠东荣超中学高中英语 Unit 4 language points 学案 新人教版必修3Learning aims: 1. To learn the new useful words, expressions important sentence patterns.2. To learn how to use the important new words, expressions important sentence patterns.Learning important points: To grasp and use the important new words expressions使用说明及学法指导： 1. Discussing, summarizing and practicing 2 Cooperative learning课前预习案Previewing CaseTask1 Retelling故事复述 (P27 Ex.5)Task2 背诵句型1. It exploded loudly with fire and rock, which were in time to produce the water vapour, carbon dioxide, oxygen, nitrogen and other gases, which were to make the earths atmosphere.它(地球)巨大的爆炸喷出了烈火与岩石，最终产生了水蒸气、二氧化碳、氧、氮和其他多种气体，从而形成了地球的大气层。2. It was quite different from what I expected.它和我原来想的很不一样。3. This made it possible for us to learn English better.这使得我们有可能把英语学得更好。4. Scientist believe that taking carbon dioxide from the atmosphere and filling the air with oxygen helped life to develop.科学家认为，从大气中吸取二氧化碳，并向空气中释放氧气，有助于生命的发展。5. He has experience as well as knowledge.他既有学识又有经验。6. They are putting too much carbon dioxide into the atmosphere ,which prevents heat from escaping from the earth into space.他们把太多的二氧化碳释放到大气层中，这使得热量不能从地球上散发到太空中。7. Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.生命是否会在地球上延续几百万年要取决于这个问题能否得到解决。课堂探究案 Exploring Case1. No one knows exactly how the earth began, as it happened so long ago.仿写：没人明白他在说什么，因为那太难理解了。 2. However, according to a widely accepted theory, the universe began with a “Big Bang” that threw matter in all directions.to begin with=to start with e.g. To begin/start with, I couldnt like him at all. 3.What it was to become was uncertain until 1）.Notuntil直到才他昨天直到七点才离开学校. 2）What it was to become是what引导的主语从句，what在从句中作become的宾语。仿写：使大家惊奇的是他竟没有参加会议。 he didnt come to the meeting.4. They were in time to produce the water.1）in time: e.g. Ill see him in time.She will be back in time to prepare dinner.与time相关的短语: 2) (sth) be to (do): e.g. They said goodbye, little knowing that they were never to meet again. She is to be honoured for this great work. Mr. Clark said to his daughter, “You are to be home by 10 oclock at the latest.” 5. as the earth cooled down, water began to appear on its surface. 随着地球的冷却, 地球的表面就开始出现了水。1) cool down 变凉, 冷却,平息, 冷静晒了一天的太阳之后, 他喜欢在海水中凉快一下。After a day in the sun, 他的话平息了她的怒气。 2) appear “出现, 似乎”是不及物动词当表示 “似乎, 好像”时是系动词, 该词无被动语态。e.g. Our teacher appeared on TV this morning.6. It was not immediately obvious that water was to be fundamental to the development of life. 水会对于生命的发展起关键作用, 这一点在当时并不太明显。It作形式主语：It is no wonder that he has passed the exam.It is quite necessary for us to learn English well.Make your sentence: 7. This produced a chain reaction, which made it possible for life to develop.make it possible to do使. 成为可能make it + adj.+(for sb.) to do sth组长让我们可以一起合作。The group leader_.8. They produced young generally by laying eggs.请写出以下动词的意思、不规则形式以及现在分词形式：lay lie lie 9. they gave birth to young baby animals 1) 生（孩子） 她刚刚生了个健康的女婴。 2) 产生这段奇特的经历促成了他的最新的一部小说的诞生。The extraordinary experience 10.which prevents heat from escaping from the earth into space. prevent . from的意思是_。from后多跟动词-ing形式近义短语有: Make your sentence： 11. the earth may become too hot to live on.地球可能会因此变得太热而不适合生物的生存。 tooto: Make your sentence: 12. whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.相关短语：depend on = count on sb = rely on : believe sb believe in sb Make your sentence: 训练案1. 沙尘暴导致了连锁反应，最后造成火车撞毁。(lead to; chain) 2. 移动电话使得我们不论在何处都能与他人交谈。(make it possible for sb. to do sth.) 3. 请你告诉我怎样防止这种事情发生好吗？(prevent . from . ) 4. 现在轮到我们学会如何与别人相处了。(in ones turn) 5. 我不想太多地依靠父母。(depend on)_运用用下面所给的词，补充完整下面短文，并背诵。make watch wonder be cool multiply begin exist explode Where do we come from? How did the universe _ ? When we _ the stars through the telescope, we _ why the universe _ . After the “Big Bang” ,the earth _ just a cloud of energetic dust. Somehow it _ loudly with fire and rock, which _ the earths atmosphere. As the earth _ down water _ to appear on its surface, which was important for the beginning of life. Then living things _ on the earth.课后阅读：Everybody has one of those days when everything goes wrong. This is what happened to Harry.He got up one morning very late because he had forgotten to wind up his alarm clock（闹钟）. He tried to shave（刮脸）quickly and cut himself. When he got dressed he got blood all over his clean shirt, so he had to find another one. The only other shirt that was clean needed ironing（熨）, so he ironed it. While he was ironing it, there was a knock at the door. It was the man to read the electricity meter（表）. He showed him where the meter was, said good-bye and found that the iron had burnt a hole in his shirt. So he had to wear the one with the blood on it after all. By this time it was very late, so he decided he couldnt go to work by bus. He telephoned for a taxi to take him to work. The taxi arrived and Harry got in and began to read the newspaper.In another part of the town, a man had killed a woman with a knife and was seen to run away in a taxi. When Harrys taxi stopped outside his office, a policeman happened to be standing there. He saw the blood on Harrys shirt, and took him to the police station. He was kept till 3 oclock in the afternoon before the police were sure that he was not the man they wanted. When he finally arrived at the office at about four, his boss took a look at him and told him to go away and find another job.61. Harry had . A. a lucky day B. an unlucky day C. a busy day D. a good day62. Put the following sentences into correct order according to the passage. a. The man who read the electricity meter came. b. Harry ironed his shirt. c. Harry got blood all over his clean shirt. d. There was a knock at the door. e. Harry wore the shirt with blood on it. A. a, b, c, d, e B. b, a, d, c, e C. b, a, c, d, e D. c, b, d, a, e63. Why did Harry wear the shirt with blood on it? A. He had only one shirt. B. The only other needed ironing. C. The iron had burnt a hole in his clean shirt. D. He cut himself and got blood all over his shirt.64. Harry was taken to the police station because . A. his taxi stopped outside his office and a policeman happened to be there B. there was blood on his shirt and he was in a taxi C. a man killed a woman with a knife D. the murderer(杀人犯) was seen to run a away in a taxi65. His boss told him to go away and find another job because . A. he had been kept by the police B. there was blood on his shirt C. he was late for work D. he had killed a womanUnit 4 Astronomy: the science of starsPeriod 3 Language points课堂探究案 Exploring Case1.仿写：没人明白他在说什么，因为那太难理解了。No one sees what hes saying, as it is too hard. 2. begin with=start with：“以开始”.To begin/start with, I couldnt like him at all. 起初, 我一点也不喜欢他。3. He didnt leave school until seven oclock. What surprised everybody is that4. in time: 及时;最终 与time相关的短语: in no time 立刻, 马上 at times 有时 at a time 每次;依次 at one time 从前 once upon a time 从前 on time 按时;准时 from time to time 不时地 be to (do): (something) will definitely happen, or it must