内容正文:
Unit 5 Off to space Section 1 同步练 班级:_ 姓名:_ 得分:_ 一、选词填空(共 10 小题,每小题 2 分,共 20 分) 从方框中选择合适的单词或短语,并用其适当形式填空,每词限用一次。 float, gravity, breathe, kilometre, tie, spacesuit, spaceship, mysterious, collect, weak 1. The _ on the Moon is much weaker than that on the Earth. 2. Astronauts wear _ to help them breathe in space. 3. The _ will take Li Jun to the Moon tomorrow. 4. Water will _ in the spaceship because of the low gravity. 5. You need to _ the sleeping bag to the wall so you won’t float away. 6. There is no air on the Moon, so people can’t _ there without help. 7. The Moon is about 380,000 _ away from the Earth. 8. Li Jun thinks the Moon is a _ place. 9. He is going to _ Moon rocks when he gets there. 10. The _ gravity makes people weigh less on the Moon. 二、用所给单词的适当形式填空(共 10 小题,每小题 2 分,共 20 分) 1. Li Jun _ (be) so happy about the trip to the Moon. 2. The spaceship _ (leave) the Earth at 9:00 a.m. tomorrow. 3. It will take about three days _ (get) to the Moon. 4. We _ (float) around in the spaceship because of the weak gravity. 5. We need _ (tie) the sleeping bag to the wall. 6. Our bodies may get _ (weak) if we don’t do exercise every day. 7. A person _ (weigh) much less on the Moon. 8. I have to wear a spacesuit _ (help) me breathe. 9. There _ (be) no sound on the Moon. 10. I’m going to take as many _ (photo) as I can. 三、阅读理解 A(共 4 小题,每小题 5 分,共 20 分) 阅读下面短文,选择最佳答案。 Li Jun’s dream comes true! He is one of the first students to travel into space. His spaceship will leave the Earth at 9:00 a.m. on October 1, 2053. The trip to the Moon will take about three days because the Moon is around 380,000 kilometres away. Life in the spaceship is different. The gravity is very weak, so everything floats. People don’t sleep in beds—they sleep in sleeping bags tied to the wall. They also have to do exercise every day to keep their bodies strong. When Li Jun gets to the Moon, he will wear a spacesuit. There is no air on the Moon, so the suit helps him breathe. He can jump very high because gravity is weak. He also wants to collect Moon rocks and take photos. The Moon is a mysterious place, and Li Jun can’t wait to explore it. 1. When will Li Jun’s spaceship leave the Earth? A. On October 1, 2052 B. On October 1, 2053 C. On October 10, 2053 D. On October 3, 2053 2. Why does everything float in the spaceship? A. Because there is no air. B. Because the spaceship is moving fast. C. Because the gravity is very weak. D. Because people don’t tie things down. 3. What does Li Jun have to do every day in space? A. Collect rocks B. Take photos C. Do exercise D. Sleep in beds 4. Why does Li Jun need to wear a spacesuit on the Moon? A. To help him breathe because there is no air. B. To make him weigh more. C. To help him float better. D. To keep him warm in the cold. 四、完形填空(共 10 小题,每小题 2 分,共 20 分) 阅读下面短文,掌握其大意,然后从各题所给的 A、B、C、D 四个选项中选出最佳选项。 Have you ever dreamed of travelling to the Moon? Li Jun is going to have this amazing experience soon. He will be one of the first students to go into 1_. The spaceship will leave the Earth at 9:00 a.m. The Moon is about 380,000 kilometres away, so the trip will take about three 2_. In the spaceship, life is very different. The gravity is weak, so everything 3_. People sleep in sleeping bags tied to the wall. They must 4_ exercise every day to keep their bodies strong. When they arrive on the Moon, Li Jun will wear a 5_. There is no air on the Moon, so the suit helps him breathe. He can jump very high because the gravity is much 6_ than on Earth. He also wants to collect Moon rocks and take photos. The Moon is a 7_ place, and he is excited to explore it. The trip is not easy, but Li Jun is 8_. He knows it will be a wonderful experience. He can’t wait to see the Moon up close and learn new things about space. He also knows that this trip will change his life forever. He hopes to tell his friends about his amazing journey when he 9_ back to Earth. For Li Jun, this is the beginning of his love for space, and he wants to learn more about the stars and planets. He believes that with hard work, more people will be able to travel to space in the future. He wants to be one of them and keep exploring the 10_. 1. A. space B. school C. home D. bed 2. A. hours B. days C. weeks D. months 3. A. floats B. sinks C. moves D. falls 4. A. make B. take C. do D. get 5. A. coat B. jacket C. spacesuit D. uniform 6. A. stronger B. weaker C. heavier D. lighter 7. A. boring B. mysterious C. dangerous D. common 8. A. nervous but excited B. scared and sad C. tired but happy D. angry and worried 9. A. come B. comes C. came D. coming 10. A. unknown B. known C. big D. small 五、五选四(共 4 小题,每小题 5 分,共 20 分) 根据短文内容,从方框中选出能填入空白处的最佳选项,选项中有一项为多余选项。 Travelling to the Moon is an amazing experience, but it is also very different from life on Earth. 1_ In the spaceship, gravity is weak. People float around and sleep in sleeping bags tied to the wall. They also have to do exercise every day to stay healthy. 2_ They wear special spacesuits that help them breathe. On the Moon, there is no air or sound. Astronauts can only hear sounds inside their spacesuits. They can jump very high because gravity is weaker there. 3_ Travelling to space is not easy, but it is exciting. 4_ We can learn more about our universe and maybe even find new places to explore. A. When they walk on the Moon, things are even more different. B. Astronauts eat only fruit and vegetables in space. C. There are many new things to learn and discover. D. Life in space is not like life on Earth at all. E. They can also collect rocks and take photos of the Moon. 参考答案 一、选词填空 1. gravity 2. spacesuits 3. spaceship 4. float 5. tie 6.breathe 7. kilometres 8. mysterious 9. collect 10. weak 二、用所给单词的适当形式填空 1. is 2. will leave 3. to get 4. will float 5. to tie 6.weak 7. weighs 8. to help 9. is 10. photos 三、阅读理解 A 1. B 2. C 3. C 4. A 四、完形填空 1. A 2. B 3. A 4. C 5. C 6. B 7. B 8. A 9. B 10. A 五、五选四 1. D 2. A 3. E 4. C 学科网(北京)股份有限公司 $