1、Unit 2We have not found life on any other planets yet.第一课时.根据句意及汉语提示完成句子 1.The moon itself doesnt give out any (光). 2.The (环境) of the small city is very good, so more and more people like to live there.3.I know the (宇宙) is timeless and boundless(无限的).4.A (群) of kids were playing games in the park.5.
2、Mars is one of the planets of the solar (系统) and it goes round the sun. .用括号内所给单词的适当形式填空6.It is hard (say) who will win the game.7.So far none of us (know) the teachers name.8.I think you have to travel another five hours (reach) the city. 9.Hes sure hes strong enough (carry) the heavy box. 10.Many
3、(visit) are coming to the park soon. .用方框中所给词语的适当形式填空。每词限用一次be, have, impossible, galaxy, hundreds of11.Nothing is if you try your best. 12.On a clear night, you can see stars in the sky.13.There been life on the earth for hundreds of millions of years.14.None of your questions easy to answer.15.In
4、fact, there are many other in the universe.用适当的介词或副词填空16.Scientists havent found life any other planets yet.17.The little boy wants to know why the earth goes the sun.18.Lucy looks her sister Lily very much. Both of them are pretty.19.A group people are watching a monkey show over there.20.Is Tony a
5、t home?Sorry, he is . Can I take a message for him?.根据汉语意思完成句子21.他足够高来够那个苹果。He is the apple. 22.他们经常用手势相互交流。They often each other by gestures.23.众所周知, 地球绕着太阳转。As we all know, the earth the sun.24.我们已经找到了这个问题的答案。We the answer to the question.25.我认为他们将不能打败我们。I they beat us.语法填空阅读下面短文,在空白处填入一个适当的词,或填入括
6、号中所给单词的正确形式。Can you imagine astronauts everyday life in space? Have you ever 26.(hear) about it before? Today lets talk about it.In space, astronauts also need 27.(eat), sleep, exercise and relax. They do 28. same things as us, but they do them in a different way. 29. the earth, we put food on a pla
7、te. Gravity(重力) holds the food down and keeps it on a place. But there is almost no gravity in space, 30. food can float(漂浮) away. Astronauts must eat 31.(careful). Sleeping is very different in space. Some astronauts like to float in the air, 32. most like to be in a sleeping bag. They tie the bag
8、to a wall so that they wont float away at night. Exercise is very important in space. On the earth, your legs carry your body, but in space, astronauts float, so they 33.(not) use their legs often. This is very bad for their legs, so they must exercise for thirty 34.(minute) every day. After a days
9、work, astronauts relax. They may 35.(listen) to music, read, watch films, play games or talk to their friends and families on the radio. Sometimes they just enjoy floating in the air. 答案.1.light2.environment3.universe4.group5.system.6.to say7.have/has known8.to reach9.to carry10.visitors.11.impossible12.hundreds of13.has 14.is/are15.galaxies.16.on17.around/round18.like19.of20.out.21.tall enough to reachmunicate with23.goes around24.have found25.dont think; will.26.heard27.to eat28.the29.On30.so31.carefully32.but33.do not/dont34.minutes35.listen
