鲁教版初四英语全一册第九单元知识点练习

Unit 9 It’s important to have good habits.1.记住本单元中的重点单词、短语，能准确翻译听写；2.记住动词不定式的用法，句型It is +adj.+for sb.+to do sth.；3.记住enough的用法，too much, much too 与too many 的区别；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......有影响另一方面和......一样好__________________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_________________ 总结talk和get的短语_________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________动词不定式的用法1.构成：to+ 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--动词不定式置于句子后部。

It’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One can always manage to do more things, no matter how full sb.’s schedule is in life.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、wish。

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、notice。

5.作表语My purpose is to point out the difficulties of the matter. 我的目的是指出这件事的难处。

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）He felt much honored to have you come to visit China.（原因状语）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 have 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 many3.I think it’s important for teenagers to talk problems over with someone.【解析】talk over 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 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.→________________________→_____________________ 5.Well, you need to be very careful 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.【辨析】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 needn’t.6.Actually, cooking 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.8.Wang Le likes to eat junk food, and she would 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= 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：still_______ even_______ a little_______a bit_______a lot_______ This ball is a bit larger than 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 ________（小睡）at lunchtime can allow us to work better in the afternoon.You’d better take a nap after lunch.4.Not getting enough sleep has serious effects on our brain’s ability to work.【解析】effect 可数名词，影响have effects on = 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. 在某方面有困难Early in his life Degas began to have problems with eyesight.___________________________【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 night’s sleep.【解析】concentrate 不及物动词，意为“专心，集中”concentrate (...) on 专注于You must concentrate all your energies on the study of English.7. Sleep experts say that it’s 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.8. The amount of sleep we need is different from person 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.一、完形填空 阅读短文，从每题A 、B 、C 三个选项中，选出空白处的最佳答案。