听第4段对话，回答第9小题。
()9. What does the girl think about humans living on the Mars?

A.It’s possible.
B.It’s impossible.
C.It’s difficult.

9. A

听第5段对话，回答第10、11小题。
()10. Where is Death Valley?
A. In the UK.
B. In the US.
C. In Canada.
()11. What can live in Death Valley?
A. No living things.
B. Many animals.
C. Some special plants.

10. B 11. C

听第6段对话，回答第12、13小题。
()12. What are they talking about?
A. A strange light.
B. A beautiful star.
C. A common plane.
()13. What will they do?
A. Call the police.
B. Run away.
C. Stay there.

12. A 13. B

听第7段对话，回答第14、15小题。
()14. What is the Earth mainly made up of?
A. Sand, water and air.
B. Land, water and air.
C. Soil, water and air.
()15. What do they talk about?
A. The Earth.
B. The Moon.
C. The Sun.

14. B 15. A

第三节 听下面短文，根据你所听到的
内容，完成以下表格，每空填一词。（短文读三遍）
Mars
Information Detail
Location（位置） 16. space.
Color 17. .
Common with Earth Both are 18. in the solar system.
Exploration way Send 19. .
What scientists want to know If people can 20. on Mars.

16. Outer 17. Red 18. planets 19. spaceships 20. live

二、阅读理解
阅读短文，根据短文内容回答问题。
With the development of science, human beings can explore the universe more. Scientists will send more spaceships and taikonauts into outer space. However, staying in space for a long time may cause health problems. That's why taikonauts shouldn't spend more than six months in the space station in one mission.
Muscle Weakness（肌肉无力）
The space station is far, far away from Earth. The gravity（引力）on the space station isn't so strong as that on Earth. In this weightless environment, taikonauts don't need to use their muscles to support themselves. As a result, their muscles become weaker and weaker. Then taikonauts need to do more exercise to keep their muscles strong.
Bad Sleep
Although taikonauts now have special sleeping bags that help keep out the light, most taikonauts can only sleep six hours each night. There are some reasons for this. In space, the sun rises every 90 minutes. It is difficult for taikonauts to get used to this light-dark circle when they sleep. Also, the sleeping bags are not so comfortable as those at their homes.
Out of Balance
According to scientists, the brain state（大脑状态）changes during spaceflight（太空飞行）to help taikonauts stay balanced and move around. Then taikonauts will have difficulty in controlling their movement and balance after returning to the earth.
21. What health problems may staying in space for a long time cause?


22. What is the direct reason for taikonauts' muscles becoming weaker?


23. How many reasons are there why most taikonauts can only sleep six hours each night?


24. Why does the brain state change during spaceflight?


25. Do you want to be a taikonaut when you grow up? Why or why not?

21. Muscle weakness, bad sleep and out of balance.
22. Taikonauts don't need to use their muscles to support themselves.
23. Two.
24. To help taikonauts stay balanced and move around.
25. No, I don't. Because I'm worried I can't fall asleep in space. （答案不唯一）

【分析】本题为英语阅读理解题，需结合短文内容逐一解答问题。解题时，先通读全文把握各段落核心信息，再针对每个问题定位到短文对应语句，提取关键内容作答；开放类问题需结合自身实际合理表达即可。
【解析】
21题：短文明确提及长期待在太空会引发肌肉无力、睡眠差、平衡失调三类健康问题，据此提取答案。
22题：短文“Muscle Weakness”段落指出，失重环境下太空人无需用肌肉支撑身体，这是肌肉变弱的直接原因。
23题：短文“Bad Sleep”段落说明睡眠差的两个原因：一是太空每90分钟升起一次太阳，难以适应昼夜循环；二是睡袋不如家里舒适，共两个原因。
24题：短文“Out of Balance”段落提到，太空飞行中大脑状态改变是为了帮助太空人保持平衡和移动，据此作答。
25题：为开放题，结合自身想法合理表达即可，示例答案符合要求。
【答案】
21. Muscle weakness, bad sleep and out of balance.
22. Taikonauts don't need to use their muscles to support themselves.
23. Two.
24. To help taikonauts stay balanced and move around.
25. No, I don't. Because I'm worried I can't fall asleep in space.
【知识点】英语阅读理解，细节理解题，开放类表达题
【点评】本题考查学生英语阅读理解的信息定位与提取能力，包含细节查找和开放表达类题目，难度适中，适合学生巩固阅读理解技巧。
【难度系数】0.7