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1、Unit7 The unknown worldPeriod 2 Reading II & listening一、根据句意及首字母提示填写单词，使句子完整、通顺。1. The sound of the radio is too 1. Please turn it down.2. Im not good at English. I w how to improve it in a short time.3. Make a m on each tree along the road so that we can get back more easily.4. What t weather it is
2、!Yes, it is said that it will get worse later.5. The scientists cant e why all the strange things happened.6. I didnt r to answer his phone call although he made me angry just now.7. If s difficult for human beings to go through a d without water.8. Human beings never stop to explore the u world.9.
3、Do you have a k? I want to cut the apple in half.10. The f baby refused to sleep alone.二、阅读理解。Mark and Scott Kelly have a lot of things in common. They both share a love for space, which guided them into a career of exploration at NASA. Now, both of them have a very special task thats unique （独特的）to
4、 them. Mark and Scott are chosen to do it because they are twin astronauts!This month, Scott will leave his home in Texas, US, for the International Space Station （ISS）. He will stay for a one-year space study, which will set a single-mission record for a US astronaut. Hell share the mission with Ru
5、ssian astronaut Mikhail Kornienko. Throughout the year, another 13 astronauts will join them. So why does Mark come into this mission? NASA has long wanted to send a team to Mars. One of the biggest problems is the human body. Our bodies are designed for the Earth. In space, bones get weak, hearts b
6、eat less and our balance becomes unstable. NASA needs to be able to examine the long-term effects on humans in space. The perfect study is to test two people with the exact same genes, one in space, and the other on Earth.This is where Mark comes into play. As the twins have the same genes, the resu
7、lts will be more accurate （精确的）.Scotts year will be foil of experiments, exercises and repair work. Hell also have the Internet to communicate with people on Earth! NASA will monitor him with psychological and medical tests. For the twins, this is just the latest mile on a long journey of discovery
8、together.1. What does the underlined word it in Paragraph 1 refer to?A. The space. B. NASA.C. The special task. D. The exploration.2. How many astronauts will take part in the mission in total according to Paragraph 2?A. 2. B.3.C. 13. D. 16.3. What will happen to humans, bodies in space?A. Our bones
9、 will become harder.B. Our hearts will beat more.C. We wont keep our balance easily.D. We will become much shorter.4. Why are the twin brothers chosen for the space study?A. Because they are both excellent astronauts.B. Because theyre two different people with the exact same genes.C. Because they ha
10、ve special human bodies.D. Because they both have a love for space.5. Whats the best title for this passage?A. Twins go for a unique NASA mission.B. Astronauts spend a year at the ISS.C. Twins finish a task in space.D. Human bodies change in space.答案一、根据句意及首字母提示填写单词，使句子完整、通顺。1. loud2.wonder3. mark4. terrible5.explain6. refuse7. desert8.unknown9. knife10. frightened二、阅读理解：CDCBA
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