人教新课标英语必修三Unit 4练习题
一、用所给单词的适当形式填空。
1．He is full of ________.(energetic)
2．I hate________.(violent)
3．She wants to earn a living by herself and be an ________ woman.(depend)
4．I could feel her ________.(disappoint)
5.Your ________ is required at the meeting.(present)
6．The treatment they gave him did him more ________ than good.(harmful)
7．The heat will ________during the evening.(less)
8．She is a smiling，________girl.(cheer)
9．It is known to all that man is ________ in space.(weight )
10．________ though she was，there was no hope of her being able to sleep.(exhaust )
11．The ________ of this industry will take several years.(develop)
12．China is a ________ country，while America is a ________ country.(develop)
答案：1.energy 2.violence 3.independent 4.disappointment 5.presence 6.harm 7.lessen 8.cheerful 9.weightless 10.Exhausted 11.development 12.developing，developed
二、用括号中所给词语翻译下列句子，然后用五句话将这些句子连成一篇短文。
1．我们不知道火星上是否有生命。(whether，exist，life)
2．我们能否登陆火星完全取决于科学技术的发展。(depend on)
3．人类对火星有了一些了解：火星上没有氧气，火星上中午的温度可能在50度左右，而晚上则在零下100度左右了。(know a little about)
4．这样我们就不能在那里生活了。 (prevent...from)
5．既然火星与地球完全不同，如果我们计划有朝一日去火星的话，我们就要带上氧气、食品、衣服和住的地方。(shelter)
6．登陆火星似乎只是个梦想。
7．科学家们却认为人类迟早会登陆火星的。(land，certain)
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
答案：[句子翻译] 1. We don’t know whether life exists on Mars.
2．Whether we can land on Mars depends on the development of science and technology.
3．Man has known a little about Mars：there is almost no oxygen on Mars and it might be about 50 degrees above zero at noon and 100 degrees below zero at night.
4. This prevents us from living there.
5．Now that Mars are quite different from our earth，if we are to go to Mars one day，we should have to take along our own oxygen，food，clothing and shelter.
6. It seems to be only a dream to land on Mars.
7. Scientists are certain that man will land on Mars in time.
[连句成篇] We don’t know whether life exists on Mars. Whether we can land on Mars depends on the development of science and technology. Man has known a little about Mars: there is almost no oxygen on Mars and it might be about 50 degrees above zero at noon and 100 degrees below zero at night, which prevents us from living there.Now that Mars are quite different from our earth, if we are to go to Mars one day, we should have to take along our own oxygen, food, clothing and shelter. Although it seems to be only a dream to land on Mars, scientists are certain that man will land on Mars in time.
三、语篇领悟
仔细阅读课文How Life Began On The Earth，写出文章的段落大意。
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
答案：The passage explains how life began on the earth. After the earth exploded and produced water whose continued presence made it possible for life to develop, plants and animals including human beings appeared on the earth. (36 words)
四、课文缩写
根据课文内容用适当的词填空，使短文完整。(一空一词)
The earth began with a cloud of energetic dust，which slowly combined into a ball 1.________ around the sun.As the earth exploded with fire and rock，water vapour，carbon，oxygen，nitrogen and other gases 2.________ (produce) to make the earth’s atmosphere.3.________ water appearing on the earth，life began to develop first in the water in the form of small plants.These plants multiplied and filled the oceans and seas with oxygen，which made 4.________possible for early shellfish and all sorts of fish to develop.
Over many millions of years green plants began to appear on land.With the oxygen produced by the green plants，land animals，5.________insects and amphibians，came into being.When the plants grew into 6.________，reptiles appeared，7.________produced young by laying eggs.Mammals were the last group of animals，and 8.________from the previous animals，they produced their young from 9.________ their bodies.
Small but most advanced animals，now with hands and feet，appeared and spread all over the earth.They were so clever that they became the masters over the earth.10.________they aren’t taking good care of the earth and 11.________stop exploiting the resources of the earth to develop new ways of living.12.________time goes by，many 13.________have been done to the earth by them.14.________life will continue on the earth for millions of years 15.________(come) will depend on whether they will stop damaging the earth.
答案：1.moving 2.were produced 3.With 4.it 5.like/such as 6.forests 7.which 8.different 9.within 10.But
11．never 12.As 13.damages 14.Whether 15.to come