【正文】
Unit 1 Life on Mars 一、根據(jù)句意和首寫字母或中文提示寫出單詞。 1. Now people are thinking about living on Mars in the f_________. 2. We can light the fire with these ________.(火柴) 3. He plays the g_______ every night because he likes modern music. 4. If we want to d____________ our English, we should speak more and more. 5. It’s hard to ______________(呼吸) under water for a long time. 6. Air p______________ is a serious problem for us. 7. Do you know how many ___________(行星) does the solar system have? 8. Two thirds of the ___________(表面) of the earth is covered with water. 9. Would you like to write down the name of your favourite __________(宇航員) on the paper? 10. She needs to take some ________(藥) . 二、用所給單詞的適當(dāng)形式填空。 *1. Children should be prevented from _______________( smoke) . *2. It’s so late. Get your _____________( sleep) bags ready. **3. Boys are ____________( interest) in puter problems. *4. We must speak to old people _____________( polite) . 5. She devoted most of her time to __________( help) other people. 三、