Unit7知识点-Reading练习2025-2026学年沪教版八年级英语下册

八年级英语下册Unit7知识点-Reading练习 小试牛刀 A. 用括号内动词的正确形式填空（一般现在时） 1. Astronauts __________ (have) a lot of work to do on the space station. 2. They __________ (need) to do all kinds of experiments in space. 3. Sometimes they __________ (go) outside the space station and perform a spacecraft walk. 4. We __________ (have) different types of tea, juice and soup as well. 5. Eating __________ (be) a pleasure in space too. 6. We __________ (be) very busy every day. 7. Everything __________ (float), including you. 8. Simple tasks __________ (seem) harder and __________ (take) longer to do. 9. The view of the Earth __________ (be) great. 10. Exercise __________ (be) an important part of our daily routine in space. 11. If we __________ (not exercise), we will be very weak when we return to the Earth. B. 用 need to, have to, can, must 填空 1. Astronauts __________ do all kinds of experiments in space. 2. They __________ move very carefully when they go outside. 3. We __________ afford to make any mistakes. (can’t) 4. You __________ see the great view of the Earth from the space station. 5. I __________ stick my sleeping bag to the wall so I don’t float around. 6. If we do not exercise, we __________ be very weak when we return. 7. We __________ choose from many types of food in space. C. 用 however, so, because, but 填空 1. I wasn’t feeling great at first. __________, I soon adjusted and felt better. 2. I used to worry about the food in space, __________ in fact we can choose from many types. 3. Being an astronaut is hard __________ you do not experience gravity. 4. Everything floats, __________ simple tasks take longer to do. 5. Going outside can be stressful, __________ the view of the Earth is amazing. 6. I sleep in a sleeping bag, __________ I have to stick it to the wall. 7. Exercise can slow down muscle loss, __________ it is very important. 配套练习 A. 单项选择（★） 从A、B、C、D中选择最佳答案。 1. “Astronauts have a lot of work to do.” 这句话使用的时态是： A. 一般过去时 B. 一般现在时 C. 一般将来时 D. 现在进行时 2. “We need to do experiments.” 中的 “need to” 表示： A. 想要 B. 需要 C. 可能 D. 必须 3. “We can’t afford to make any mistakes.” 中的 “can’t afford to” 意思是： A. 买不起 B. 承担不起（后果） C. 不能允许 D. 没有时间 4. “Everything floats, so simple tasks take longer.” 中的 “so” 表示： A. 原因 B. 结果 C. 转折 D. 并列 5. 下列句子中，情态动词使用正确的是： A. We can to choose many foods. B. We can choose many foods. C. We can choosing many foods. D. We can chose many foods. B. 完成句子（★★） 根据文章内容和语法提示，用正确的动词形式、情态动词或连词完成句子。 1. 宇航员在空间站有很多工作要做。 Astronauts __________ a lot of work to do on the space station. 2. 他们需要做各种各样的实验。 They __________ to do all kinds of experiments. 3. 一切东西都会漂浮，所以简单的任务也会变得更难，花费时间更长。 Everything __________, __________ simple tasks seem harder and take longer. 4. 我们承受不起任何失误，所以有时压力很大。 We __________ afford to make any mistakes, __________ it can be stressful sometimes. 5. 如果我们不锻炼，返回地球时就会非常虚弱。 If we __________ exercise, we will be very weak when we return. C. 补全对话（★★★） 根据文章内容和语法知识，从方框中选择合适的句子完成对话。 A. We have many types of food, such as fruit, chicken and seafood. B. Everything floats, so simple tasks take longer. C. I have to stick my sleeping bag to the wall. D. Exercise is very important because it slows down muscle loss. Tom: What is eating like in space? Lucy: (1) __________ Tom: Why do simple tasks seem harder in space? Lucy: (2) __________ Tom: How do you sleep in space? Lucy: (3) __________ Tom: Why do astronauts exercise every day? Lucy: (4) __________ D. 拓展思考（★★★） 请根据要求完成以下任务。 Part 1（描述一种特殊的生活环境） 用一般现在时写三句话，描述宇航员在空间站的生活（吃饭、工作、睡觉、锻炼任选两个方面）。 1. ____________________________________________________________ 2. ____________________________________________________________ 3. ____________________________________________________________ Part 2（使用情态动词和连词） 用 have to, can 和 so, but 各写一个关于太空生活的句子。 4. (have to) ____________________________________________________ 5. (can) ________________________________________________________ 6. (so) ________________________________________________________ 7. (but) ________________________________________________________ Part 3（综合） 写一段话（至少5句）介绍宇航员在太空中的生活。说明太空生活与地球生活的不同之处，以及宇航员如何应对这些挑战。使用一般现在时、至少两个情态动词和一个连词。 ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ 参考答案与解析 小试牛刀 A 1. have 2. need 3. go 4. have 5. is 6. are 7. floats 8. seem, take 9. is 10. is 11. don’t exercise 小试牛刀 B 1. need to / have to 2. have to / must 3. can’t 4. can 5. have to / must 6. will (will be) 或 can (can be) 7. can 小试牛刀 C 1. However 2. but 3. because 4. so 5. but 6. so 7. so / because 配套练习 A 1. B 2. B 3. B 4. B 5. B 配套练习 B 1. have 2. need 3. floats, so 4. can’t, so 5. don’t 配套练习 C 1. A 2. B 3. C 4. D 配套练习 D（参考示例） 1. Astronauts eat special space food that is light and easy to prepare. 2. They work for long hours doing experiments and maintaining the station. 3. They exercise every day to keep their muscles strong. 4. Astronauts have to stick their sleeping bags to the wall. 5. They can see the Earth from space, which is a great view. 6. There is no gravity, so everything floats. 7. Spacewalk is amazing, but it can be stressful. 8. Life in space is very different from life on Earth. Astronauts have to move carefully because everything floats. They can choose from many types of food, but eating is not as easy as on Earth. They must exercise every day; otherwise, they will lose muscle. Sleeping is also different: they have to stick their sleeping bags to the wall so they don’t float around. Although space life is hard, it is also exciting. The view of the Earth from space is wonderful, and doing experiments in zero gravity is a unique experience. 1 学科网（北京）股份有限公司 $