1、练习.单词拼写1Water exists in three forms, which are liquid, gas and solid.2Id like to live in a warm climate (气候)3He was interested in astronomy (天文学) and always stayed up at night to watch the stars.4The mixture of gases that surrounds the earth is called atmosphere.5A strange virus struck my computer s
2、ystem (系统) so that it broke down.6Most criminals are violent (强暴的) and dangerous men.7They placed the child in an oxygen tent when he had difficulty in breathing.8Without gravity,_we couldnt walk on the earth.9There is a lot of rubbish floating (漂浮) on the surface of the river.108 multiplied by 2 is
3、 16.语法填空1Life is like a tale.What matters is not how long it is, but how good it is.2Your smoking can be harmful to the health of your children.3The reporters as well as some critics remained puzzled (puzzle) by the election results.4Our city has experienced twice as much rain this year as it did la
4、st year.5Sometimes he found it very hard to fall asleep at night, so he went to see the doctor.6Formaldehyde is used in the building materials, which is as harmful (harm) a chemical to our health as melamine.7That we should work out a plan to deal with the present serious situation is important.8A f
5、ierce fight broke out between the two brothers just because of a small thing.9Many people are worrying about the facts about global (globe) warming.10Actually, in everyones mind, there exists a great dream to achieve.单句改错1That is certain that we can win.答案：ThatIt2She started as an office junior, and
6、 in the time became the director of the whole company.答案：去掉第一个the3Doctors say many diseases can be prevented spreading by hand washing.答案：prevented后面加from4That he has done suggests that he is a good leader.答案：ThatWhat5It seems as if the dog is the womans baby.答案：iswere.完成句子1我们打电话的时候她恰好出去。(happen)It
7、happened that she was out when we called.2有车之后，我的活动量不如从前了。(now that)Now that I have my car，I dont get as much exercise as I used to.3我们发现在这样坏的天气下要爬到山顶上去是不可能的。(find)We found it impossible to climb to the top of the hill in such bad weather.4我认为我们必须每天打扫。(make)I think we must make it a rule to do some cleaning every day.5肯尼亚，一个面积是英国两倍多的地方，四处干旱炎热。 (size)Kenya, a land more than twice the size of Britain, is everywhere parched.