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1、Unit 4 Astronomy the science of the stars 单句语法填空1_(like) most people in the office who come to work by car, I usually come to work by bus.答案：Unlike2We live in a _(globe) village, but this doesnt mean that we all behave in the same way.答案：global3Do remember watch out _ cars while crossing the street.
2、Got it.答案：for4_ (cheerful) up! You must believe in yourself and you will get success.答案：Cheer5The male and female birds take _(turn) in sitting on the eggs.答案：turns6Her _(puzzle) look on her face suggested she didnt understand what I said.答案：puzzled7The conversation was carried on _ a harmonious and
3、 friendly atmosphere.答案：in8As the old saying goes, it is easier to pull _ than to build up.答案：down9The new stadium being built for the next football game will be three times bigger _ the present one.答案：than10Last year, one of the plants exploded _(violent), and the local people got into a great pani
4、c.答案：violently 单句改错1There is so much rain on the island that its annual rainfall reaches as many as sixty inches.manymuch2The river is so polluted that every day we can see a lot of things being floating on the water.去掉being3If you put your heart into it, youll succeed on time.onin4As time going by,
5、 I began to realize what I did was wrong.AsWith或goingwent5The problem of pollution is worth paying attention.attention后加to6This is such interesting a film that I have seen it twice.suchso 完成句子1_(为了让她高兴起来), her parents took her to travel around the world.答案：To cheer her up2To beautify our city, a lar
6、ge number of old houses along the street _(已经被拆除) up to the present.答案：have been pulled down3The newly broadened square _ (比大3倍) the previous one.答案：is three times larger than4_(既然你已长大), you should not rely on your parents.答案：Now that youve grown up5Mastering the technology _(使我们有可能使用因特网) more effec
7、tively.答案：makes it possible for us to use the Internet【写作素材】根据要求运用本单元所学知识完成下面小作文， 并背诵成文。 1火星上有生命吗？ 我们是否能成功登上火星完全取决于科学技术的发展。 (depend on)2火星上几乎没有氧气， 中午的温度可能在50度左右， 而晚上则在零下100度左右。 这阻止我们在那里生活。 (prevent.from.)3既然火星与地球完全不同， 如果有朝一日我们计划去火星， 我们就要带上氧气、 食物、 衣服和住所。 (now that)【连句成篇】(将以上句子连成一篇英语短文)_One possible v
8、ersion: We dont know whether there is life on Mars. Whether we can land on Mars successfully or not all depends on the development of science and technology. There is almost no oxygen on Mars. 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 is quite different from our earth, if we are going to Mars one day, we should have to take along our own oxygen, food, clothing as well as shelter.2
