新东方在线考博频道给大家整理的2021年考博英语词汇语法练习12,希望能够对大家的考博考试备考有所帮助，更多有关考博的备考内容，欢迎随时关注新东方在线考博频道。
1. I was ____ study French yesterday, but I changed my mind.
A. to be starting B. to start C. to have started D. to have been starting
2. You’d rather go to theater with him this evening, ____?
A. are you B. hadn’t you C. isn’t it D. wouldn’t you
3. ____that the formation of the sun, the planets, and other stars began with the condensation of an interstellar gas cloud.
A. It is believed B. Believing C. Being believed D. To believe
4. One of the most spectacular qualities of man is notably his____to any kind of natural environment.
A. tendency B. adoptability C. adaptability D. availability
5. I’m in no____now to go to concert with you.
A. mood B. intention C. emotion D. sense
6. The judger doesn’t know whether the witness is telling the truth, but he will ____it.
A. identify B. enforce C. distinguish D. verify
7. Before the plane ____, the pilot bailed out.
A. clashed B. crashed C. smashed D. struck
8. Doctors often make higher ____ for their works than they should.
A. charges B. bills C. costs D. payments
9. Most of the earliest____into America came from Europe.
A. migrants B. emigrants C. immigrants D. inhabitants
10. His name was on the____of my tongue, but I just couldn’t remember.
A. edge B. rim C. border D. tip
[答案]
1-5：CDACA
6-10：DBACD
以上就是新东方在线考博频道给大家整理的2021年考博英语词汇语法练习12希望对大家有所帮助，更多备考内容，欢迎随时关注新东方在线考博频道。