一、听力训练
Ⅰ. 听力理解
第一节 听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话读两遍。
()1. What's the film about?
A. Animals. B. Space.
C. The sun.
()2. What does John think of being weightless?
A. Fun. B. Dangerous.
C. Mysterious.
()3. How many exoplanets(系外行星) are known to us?
A. More than 4,000.
B. More than 5,000.
C. More than 8,000.
()4. Which interests the girl most?
A. Sending a spacecraft to the nearest star.
B. Building a space station on the moon.
C. Searching for life in the solar system.
()5. Why is Lucy interested in exploring space?
A. To develop the technology.
B. To find new resources in outer space.
C. To improve our knowledge of Earth.
第二节 听下面6段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C
三个选项中选出最佳选项。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。
听第6段材料，回答第6、7题。
()6. How is Mercury different from Earth in size?
A. It's bigger than Earth.
B. It's smaller than Earth.
C. It's the same size as Earth.
()7. Why is Mercury hotter than Earth?
A. Because it's the closest planet to the Sun.
B. Because it's farther from the Sun.
C. Because it's bigger than Earth.
听第7段材料，回答第8、9题。
()8. What can the girl see on the right?
A. The Big Dipper.
B. The North Star.
C. A bright planet.
()9. What colours of stars does the girl see?
A. White, blue and yellow.
B. White, blue and red.
C. Blue, yellow and red.
听第8段材料，回答第10、11题。
()10. What is the relationship between the two speakers?
A. Classmates.
B. Doctor and patient.
C. Teacher and student.
()11. How often do blue moons appear?
A. About once every 29.5 days.
B. Once every two to three years.
C. Once a year with 12 full moons.

1. B
2. A
3. B
4. B
5. C
6. B
7. A
8. B
9. A
10. A
11. B