1、第一部分必修三Unit 4 .单词拼写1According to the theory (理论)of relativity，nothing can travel faster than light. 2He often says that he doesnt believe in any religion(宗教)and only believes in himself.3Those anxious for reform say that the present system(体制)is too narrow.4Some experts think reading is the fundamen
2、tal (基本的) skill upon which school education depends.5A truck went out of control and crashed (碰撞)into the back of a bus.6He found something floating (漂浮)on the lake，which frightened him.7If you multiply(乘)two and three，you will get six.8Accustomed to the climate (气候)in the countryside，the old couple
3、 prefer not to move to the city.单句改错1There is so much rain on the island that its annual rainfall reaches as many as sixty inches.manymuch2Youll succeed on time because you are always working hard.onin3Do you know when the Marriage Law came into an existence？去掉an4The new bridge is three times width
4、of that one built last year.times后加the5She has got into the bad habit of reading in the bed，which is harmful for her eyes.forto6The twin brothers stood under the tree，puzzling and saying nothing.puzzlingpuzzled7Even though he is a little boy，strange ideas always exists in his mind.existsexist8The su
5、n heats the earth，which makes possible for plants to grow.make后加it.教材与语法填空The earth was just 1.a cloud of dust after the “Big Bang”The earth exploded 2.loudly (loud)with fire and rock.They were in time to produce many things，which were 3.to make (make) the earths atmosphere.As the earth cooled down，
6、water began to appear on its surface.It allowed the earth to dissolve 4.harmful (harm) gases.Then life began to develop.Small plants multiplied and filled the oceans and seas with oxygen.This encouraged the 5.development (develop) of early shellfish and fish.Land animals such as insects，reptiles and
7、 dinosaurs 6.appeared (appear) after green plants appeared.Small clever animals spread all 7.over the earth.They are putting too much carbon dioxide into the atmosphere,8.which prevents heat from escaping from the earth into space.9.Whether life will continue on the earth for millions of years to co
8、me will depend on whether this problem can 10.be solved(solve).教材与短文改错Last month I paid a visit the moon with my friend.Before we left，I was told the force of gravity would change three time on our journey.Then we took up.As we left the earth，I became very heavily.Gradually the weight lessen. When I
9、 was in space，it was disappeared.We floated weightlessly around in the cabin and I cheered up.When I was on the moon，I was surprising to find even walking needed a bit of practice now that gravity changed.The returning of the earth was very frightened.We were amazed to watch fire broke out on the ou
10、tside of the ship.答案：Last month I paid a visit the moon with my friend.Before we left，I was told the force of gravity would change three on our journey.Then we took .As we left the earth，I became very . Gradually the weight .When I was in space，it was disappeared. We floated weightlessly around in t
11、he cabin and I cheered up. When I was on the moon，I was to find even walking needed a bit of practice now that gravity changed. The returning the earth was very .We were amazed to watch fire out on the outside of the ship.话题微写作1我们能否登上火星依赖于科学技术的发展。2火星上没有氧气，温差大，这使我们不能生活在那里。3火星与地球环境完全不同。4如果到火星上住些日子，我们要
12、带上氧气、食物、衣服等。5相信将来我们一定能成功地登上火星。Whether we can land on Mars depends on the development of science and technology.There is almost no oxygen on Mars；the temperature changes greatly from day to night，which makes it impossible for us to live there.The environment of Mars is quite different from that of our earth.If we want to stay on Mars for a few days，we should have to take along our own oxygen，food，clothing and so on with us.We believe that we will succeed in landing on Mars in the future.
