鲁教版九年级英语全一册 unit9学案.docx

《鲁教版九年级英语全一册 unit9学案.docx》由会员分享，可在线阅读，更多相关《鲁教版九年级英语全一册 unit9学案.docx（7页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Unit 9 Its important to have good habits.诊断测评行为(白天)小睡 专心于 效果有规律的 数量 平均的 数字商量：讨论 度过：通过 同意放弃 太多 熬夜 与不同对有影响 另方面 和样好闲逛 例如 过去常常做某事持续做某事 尽力做某事 允许某人做某事二重难点把握动词不定式的用法1 .构成：2+动词原形，无人称和数的变化2 .作主语(1)位于句首，谓语动词用单数形式To see is to believe.To get there by bus will take us half an hour.(2)用it作形式主语，把真正的主语一动词不定式置于句子后部W

2、s our duty to take good care of the children.It is easy for us( finish) writing the composition in a quarter.3 .作宾语 We hope to get there before dark.拓展：跟动词不定式作宾语的常用动词有：agree decide expect fail hope manage offer plan prepare pretend、refuse want wisho当复合宾语中的宾语是动词不定式时，先用形式宾语it代替动词不定式，把动词不定式置于宾语补足语之后，即

3、主语+动词+it+宾语补足语+to do sth.We think it important to learn a foreign language well.4 .作宾语补足语 My parents will not allow me to play on the street.拓展：有的动词在主动语态中用不带to的动词不定式作宾语补足语，但在被动语态中要将to 还原。这些动词有：feel、hear、make、have see watch noticeo5,作表语 My purpose is to point out the difficulties of the matter.我的目的是指

4、出这件事的难处。6 .作定语 The next train to arrive is from Shanghai. Do you have anything to eat?7 .作状语 I come here to say good-bye to you.（目的状语）He hurried to the station only to find that the train had left.（结果状语）Im glad to see you.（原因状语）三课本知识点Section A1. to get enough sleep.解析：enough形容词，意为“足够的”，修饰名词时可前可后We h

5、ave enough food/food enough to eat.enough副词，意为“足够地”，修饰形容词或副词时，须后置He is old enough to go to school.2. not to play computer games too much.解析：too much太多，副词性短语辨析：too much, much too, too manytoo much太多修饰动词drink too muchtoo much太多的修饰不可数名词too much watermuch too太修饰形容词、副词much too difficulttoo many太多的修饰可数名词复

6、数too many people3. I think its important for teenagers to talk problems over with someone.解析：taikover意为“商量，讨论”动副短语，人称代词作宾语，放中间talk sth. over with sb.与某人讨论/商量某事=discuss sth. with sb.Tom always talks things over with his parents before he makes an important decision.4. What does one girl ask if she is

7、 too young to do?解析：too.to. 太.而不能The apple is too high for me to reach.拓展：It is never too late to do sth.做某事为时不晚It is never too late to mend.亡羊补牢，为时未晚。It is never too late to learn. 活到老，学到老。too.to.与 so. that. 或 not .enough to do.互换The box is too heavy for me to carry,一一5. Well, you need to be very c

8、areful in order to be safe.解析：need to do sth.需要做某事We need to look for a lot of food.need doing sth.= need to be done 某事需要被做The door needs repairing.= The door needs to be repaired.拓展：need可作情态动词 意为，多用于否定句和疑问句-Mum, need I wash my trousers right now?-Yes, you must. /No, you neednt.6. Actually, cooking

9、is not that difficult.解析：that副词，意为“那么，那样，用于口语中表示程度The bird was that big.7. For example, he listens to very loud music that is bad for his hearing.for example一般只列举一个例子，作插入语，用逗号隔开，可置于句首、句中、句末。such as常用来列举几个例子，置于被列举的事物与前面的名词之间。like可与such as互换，但such as分开使用时除外。8. Wang Le likes to eat junk food, and she w

10、ould rather drink coffee and cola than water. 解析：would rather do sth. than do sth.宁可做某事，也不做某事二 prefer to do sth. rather than do sth.Section B1. working much harder解析：much副词，意为“得多；很”，修饰比较级The sun is much larger than the moon.拓展：常用来修饰比较级的词或短语还有：stillevena littlea bit a lot This ball is a bit larger th

11、an that one.2. There is extra information that the writer did not say directly in the reading.解析：information不可数名词，意为“信息”一条信息message可数名词，意为“信息，口信，音信”Would you mind giving him a message?3. Even a ten-minute (1、睡)at lunchtime can allow us to work better in the afternoon. Youd better take a nap after lu

12、nch.4. Not getting enough sleep has serious effects on our brains ability to work.解析：effect可数名词，影响have effects on 二 have an effect on 对有影响Smoking has bad effects on people.5. If you go without sleep, you might have problems with your memory or with your concentration. 解析：have problems with sth.在某方面有

13、困难有时我在英语上有困难。拓展：have problems (in) doing sth.做某事有困难We had some problems/difficulty/trouble getting to the top of the mountain.6. In order to concentrate at school or perform well in tests, we really need to get a good nights sleep.解析：concentrate不及物动词，意为“专心，集中“concentrate(.) on 专注于You must concentrat

14、e all your energies on the study of English.7. Sleep experts say that its better not to try too hard to get to sleep, and certainly not to keep looking at the time.解析：keep doing sth.持续做某事Why do the dogs keep barking?辨析：keep doing sth. 与 keep on doing sth.1. keep doing sth.表示某一连续不断的动作，或某一动作的持续状态 They

15、 kept standing outside the room during all the meeting.2. keep on doing sth.强调时间的间隔性和动作的反复性及某人做某事的决心 The boy kept on asking some strange questions in class.3. 若表示今后或将来继续做某事，则只用keep on doing sth.We must keep on working hard in the coming new year.8. The amount of sleep we need is different from perso

16、n to person, though the average seems to be just under eight hours.解析：the amount of an amount of+不可数名词A billion dollars is an amount of money.四达标测评AWhat was discovered by accident? The answer is penicillin（青霉素）. It kills germs. By killing germs, it saves lives. Suppose you are sick. You go to a doct

17、or. She examines you. She says you have a staph infection（葡萄球菌感染）.She gives you some medicine. You take it. The medicine knocks out the staph. Soon you are well. Before penicillin, this would not happen. Staph was almost sure death.Everyone wanted a medicine. Laboratories worked day and night. They

18、grew the staph in small dishes. Then they tried to kill it. Nothing worked.The laboratory dishes had covers on them. They kept things from falling into dishes. Molds（霉 菌）were a big worry. They are always in the air. You can*t see them. Theyre too small. There are thousands of different molds. Molds

19、can make an experiment（实验）fail. Thats why dishes are covered.Dr. Alexander Fleming was working to kill the staph germ. He worked for years. One day he took a cover off a dish. He looked inside. There was a thick growth of staph germ. There was also some mold. Then he saw something strange. Where the

20、 mold was, there was no growth of staph. This is what Fleming probably thought. nBy accident, I found a mold to kill the dreaded staph.nThis is how penicillin was found. But heres the real miracle（奇迹）There are thousands of kinds of molds. But only one kind can kill staph. The mold must have fallen i

21、nto the dish a few days before. The cover was probably off only a few seconds（秒）In those few seconds the right mold fell into the right dish. Another man might have thrown the dish away. But Fleming was very careful and smart. He understood what the mold did. How lucky the humans were!1. During the

22、experiments to find a medicine for staph infections,.A. the dishes were not coveredB. staph and mold were put togetherC. mold was kept in small dishesD. staph was grown in small dishes2. The word dreaded*1 means ”H.A. famous B. scary C. health D. endangered3. The last paragraph suggests that.A. acci

23、dents happen to everyoneB. the careful person does not have accidentsC. the careless person will miss valuable chancesD. luck is enough when doing scientific experiments4. Most of this passage is written by.A. telling an unusual storyB. showing the results of experimentsC. offering some reasonsD. giving some advice5. This passage is mainly about.A. medicine for a staph infection B. useful accidentsC. Dr. Flemings researchD. discovering penicillin