Unit 7 The unknown world 语法填空（含解析）牛津深圳版 八年级下册英语题型专项集训

Unit 7 The unknown world 语法填空（含解析）牛津深圳版 八年级下册英语题型专项集训 Now it may be difficult to predict (预言) the future, but many people believe that we will live on Mars by the year 2100. Our own planet, the Earth, is 1 (become) more and more crowded and polluted. But what 2 (problem) will we need to solve before we go to Mars First of all, transport (运输) should be much 3 (good). Now human beings need to spend months going to Mars by spaceship. However, by 2100, spaceships can travel 4 half the speed of light. It might take us two or three days to get there. Secondly, human beings need food, water and air to live. Scientists should develop plants that can be 5 (grow) on Mars. The plants will produce the food, water and air that we need. However, there is no answer for all 6 problems now. There is also a problem for us 7 (live) on Mars. Mars attracts us much less than the Earth does. This will be dangerous 8 we might easily jump too high and fly slowly away into space there. So we will have to wear special shoes to make 9 (we) heavier. In some ways, life on Mars may not be better than that on Earth today. Food will not be the same. Meals will 10 (probable) be in the form of pills (药片) and will not be as delicious as they are today. Also, space travel will possibly make many people feel very uncomfortable. Hi Dan, I’m in big trouble! Last weekend, my best friend Carol went 11 holiday. She asked me to look after her pet, Kitty. I said, “OK.” Then she told 12 (I) that Kitty was not a real pet. It was a digital pet. I said, “No problem.” How hard could it be to look after 13 small computer Carol came around to my house with Kitty. Kitty was made of pink plastic. Carol 14 (spend) a long time telling me what to do. She said, “ 15 (one), you should remember to feed it when it cries. “Secondly, you have to talk with it when it 16 (feel) lonely. Thirdly, you should put it to bed at 19:30.” I thought she was crazy. It was 17 (actual) a tiny computer, not a pet. As soon as Carol left my house, Kitty started to buzz (嗡嗡响). It wanted food. Then it wanted a drink. I was busy 18 (look) after Kitty for a week. On Sunday, I went out for the day and forgot all about it. 19 I got back home, it had been dead. I hadn’t given it food or drink. Now I am really 20 (worry). I don’t know how I’m going to tell Carol about it. I hope she can forgive (原谅) me. Rose 阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空白处填入一个适当的词或用括号中词语的正确形式填空。 We see the sun every day. If it is 21 （sun）, we can see the moon at night, too. The moon is near us. So far astronauts 22 （visit） the moon several times. The moon is almost 23 nearest satellite（卫星） to the earth in space. Light 24 （travel）at 300,000 kilometers a second. Light reaches us from the moon in less than a second and a half. The moon is about 382,000 kilometers away. Light from the sun arrives in the earth in about 8.5 25 （minute）. The sun is about 149,64 ... ...