7. (学生)实地考察旅行　　　　　　　　 17. dream of/ about doing

6. 想出一个主意／办法 　　　 16. cycle along the Mekong River from where it begins to where it ends

5. 在云南省西部　　　　　　　　　　 15. at an altitude of over 5,000 meters

4. 投降，屈服，让步　　　　　　　　 14. be familiar to sb

3. 改变主意　　　　　　　　　　　　 13.make up one’s mind to do…

I．词汇

a. journals, dreamed/dreamt, to persuade, stubborn, insisted, determined, familiar, recorded, properly, details

b. 1. 作一次了不起的自行车旅行　　　 11. mountain bike

2. 给我一个坚定的眼神　　　　　　　 12. care about

1. DCAAB　 CABDB　 AAADB　 ACDBA

1. Even if/ though 2. A good number of 3. come up 4. made good use of　 5. such as 6. more than 7. played the role of8. be based on 9. the same… as 10. Believe it or not

D

1. directions 2. roles 3. identities 4. including 5. present 6. natives 7. recognized 8. accent 9. rapidly 10. block

B

Play an important role in,　　 play a role of　　 be present at the meeting

At present　　 recognize sb. as/ to be　　　　 request sb. to do sth

Explain to sb　　　　　　 base sth on　　　　　　　　　 such as　 　　　　even if/ though

C

1.　 DACBB CBCDB　 ABBDD　　 BABAC　　

Key to U2

A.