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1、Module 51._(2/3)of the earth _water.2.Water _.(作为固体 而存在)3.When you _(加热),it _(膨胀).4.,it _(收缩).5.混合物6.人造的Two thirds isexists as solidheatexpandsPage41contractsThree fourths of human body _ water.A quarter of the students of this class _ girls.Over 60 percent of Chinas population _ still farmers.A hal
2、f of the area _ become desert.A half of the plants in this area _ been replaced by sand.结论：分数作主语时谓语动词的数遵循意义一致的原则。isarearehashasAs a result of the serious flood，two-thirds of the buildings in the area_.(需要被修理)The company had about 20 laptops but only one-third _(be)used regularly.Now we have 60 worki
3、ng all day long.need repairingwere expand 扩大或增加(范围、程度、数量)increase 扩大或增加(数量)Weve _the business by opening two more stores.As children grow older they _ their interests and become more confident.The population of the town _ in the 1960s.Human knowledge has greatly _ in the last 30 years which enables
4、people to achieve more and live more comfortably.A.risen B.increased C.expanded D.widenexpandedexpandedexpandedincreased3.contract Metals contract when cooled.We can see the _ of metals when they are cooled.Volkswagen signed a contract with FAW(First Auto Works).kntrkt n 合同 kntrkt v 收缩contraction4.I
5、ron is used in electrical equipment.+electrical 与电有关的 an electrical fault;+electric 用电的 electric cooker/fan+electronic 电子的 electronic dictionary+electricity+The teaching equipment in our classroom is modern and advanced.+The school has _ each classroom _ a modern and advanced teaching system.=Each c
6、lassroom is _ a modern and advanced teaching system.I like the classroom _ with computers.我们必须掌握好英语和电脑知识来适应现代社会的需要。We must equip ourselves with a good knowledge of English and computer in order to adapt to the demand of modern society.equippedwithequipped withequippedequip sth with sthreact with sth
7、“与 起反应”。Iron reacts with water and air to product rust.常见搭配有：+react against sb/sth“反对；反抗”;+react to sth“对 作出回应”。+The little child reacted against my suggestion.+Most of the people react positively to a suggestion.7.It is important to know how they react with different substances,for example,water an
8、d oxygen.=It is important to know how they react with different substances,such as water and oxygen.8.The reaction of metals with these substances can be put in order.in order/in the order of/out of order 1.在图书馆，图书通常是按作者姓氏的第一个字母顺序排列的。In the library,books are usually put in the order of the first let
9、ter of the writers surname.2.他桌子上的书摆放整齐有序。The books on his desk are in order(orderly).3.地震发生后，到处一片混乱。Everything was/went out of order after the earthquake happened.9.Half-fill a test tube with water.fill with 将下列句子翻译成英语:1.请将这个瓶子装满水。Please fill the bottle with water.2.听到母亲的话,他顿时充满了自信。Hearing mothers
10、words,he was filled with confidence immediately.3.This is a car _ goods.which is filled withfilled withAny car _ with goods can not leave the station,according to the rules.A.not to be filled B.not filled C.not being filled D.not having been filled 10.Add some oil to the water.addto/add to 1)Would y
11、ou like to add anything to what hes said?2)His explanation added to my confusion.The engine of the ship was out of order and the bad weather _ the helplessness of the crew at sea.A.resulted from B.turned out C.added to D.made up Without more coal _ the fire,it would soon go out.A.added to B.added C.
12、adding to D.added up to 11.This will keep air out of the water.keep out(of)/keepfrom keep off/keep up with1.Before you go to bed youd better close the doors and windows to _ thieves _.2.The fire is dangerous so you should _ the child _ the fire.3.Please _ the grass.4.I had to walk faster than before
13、 so that I could _ him.5.I wonder what _ him _ attending the meeting yesterday.keep outkeepoffkeep offkeep up withkept from+The aim of the experiment is to find out if there is a change in weight when the metal burns in air.(P46)aim at 瞄准、努力/力求The hunter aimed at the wolf.She aimed at the target but
14、 missed it.We aim at saving something every month.be aimed at 以 为目的The experiment is aimed at finding out whether the iron rusts in the air-free water.We will do an experiment _ finding out which is aimed at aimed atHe studied hard,_ the exam.A.aim at B.aiming at passing C.aiming passing D.aimed to pass12.得出结论 draw/reach/come to/arrive at the conclusion得出 的结论因此我们可以得出结论：铁在干燥的空气中不生锈。Therefore,we can draw the conclusion that the iron doesnt rust in dry air.