Ⅰ Listen and choose.（听录音，选出你所听到的句子。）
()1. A. Taikonauts doesn't use water to wash their faces in space.
B. Taikonauts use a wet cloth to wash their faces in space.
()2. A. Every afternoon, Chen Jie does exercise to keep healthy.
B. Every morning, Chen Jie does exercise to keep healthy.
()3. A. The taikonaut is giving a class to children.
B. The taikonaut is answering questions about space.
()4. A. The taikonauts grow rice in space.
B. The taikonauts grow vegetables in space.
()5. A. Emma thinks her job is interesting.
B. Emma thinks her job is exciting.

1. B 2. A 3. A 4. B 5. A

Ⅱ. Read and choose.（读一读，选择合适的单词补全句子。）
for in with into to
1. We explore space different ways.
2. We use telescopes explore space.
3. Some astronauts live months on a space station.
4. We can look space with telescopes.
5. The taikonauts brush their teeth a special toothpaste.

1. in 2. to 3. for 4. into 5. with

Ⅲ. Read and choose.（读一读，选择合适的选项补全对话。）
Students: Hello, Ms Wang. How did you wash your face in space?
Ms Wang:1.
Students: How about brushing teeth?
Ms Wang:2.
Students: What did you do daily?
Ms Wang:3.
Students: Did you exercise?
Ms Wang:4.
Students: How many times did you see the sunrise and sunset daily?
Ms Wang:5. The view was amazing!
A. Yes, we did.
B. We used a wet cloth instead of water.
C. We used a special toothpaste and "ate" it.
D. We grew plants and gave space classes.
E. 16 times.

1. B 2. C 3. D 4. A 5. E