一、听力。(共 20 小题；每小题 1 分，满分 20 分)
第一部分 听对话回答问题
()1. What would the man like to bring with him?

()2. What does Mike think the most popular activity on Mars will be in the future?

()3. What does David want to be when he grows up?

()4. What will food be like on Mars?

()5. Where does Sam want to go on vacation?
A. The jungle.
B. The mountain.
C. The beach.
()6. What does the woman remind the man to bring?
A. His report.
B. His mobile phone.
C. A pen and some paper.
()7. When will the train leave?
A. At 7:45.
B. At 7:30.
C. At 7:15.
()8. What does the girl think of the new bicycle?
A. It's not modern.
B. It's expensive.
C. It's very nice.
()9. How much should the man pay for the purple roses?
A. 10 dollars.
B. 20 dollars.
C. 40 dollars.
()10. What are they talking about?
A. The oxygen we breathe.
B. The importance of plants.
C. The food we eat.

1～5. ABAAA 6～10. CACBB