【参考答案】：A
A) modify B) convert C) transform D) differ
42. Be careful how you_____; it's a long way from the ground. × [42]. 【参考答案】：B
A) get off B) step off C) step up D) lead off
43. But, ___ reflection, I think I did the \
him a job. √ [43]. 【参考答案】：C
A) in B) with C) on D) over
44. The girl ___ me along the aisle to my seat. √ [44]. 【参考答案】：B
A) accompanied B) ushered C) conducted D) guided
45. Someone who doesn't observe traffic regulations will sweat. √ [45]. 【参考答案】：B
A) persist B) observe C) insist D) persevere 46. The coach jolted its passengers over the_______ road. √ [46]. 【参考答案】：A
A) miserable B) sorrowful C) sorry D) unhappy
47. Today I 'm on medication to control my emotional __________. √ [47].
【参考答案】：C
A) on and off B) up and down C) ups and downs D) ins and outs
48. It is not enough only to __________ the rules of grammar if you want to learn English well. √ [48]. 【参考答案】：B
A) have in mind B) keep in mind C) make up your mind D) keep your head 49. News organizations should pay their own way when sending staff to ______
sporting or cultural events. √ [49]. 【参考答案】：C
A) combine B) associate C) cover D) attach 50. The tide is, ______ , very high. √ [50]. 【参考答案】：B
A) at a time B) at times C) at the time D) at other time
UNIT 5
B2U5
1. Liu Xiang ____________the race after he hurt himself again, on his ankle or foot or something.
A) counted on B) came up with C) dropped out of D) was accountable for √ [1]. 【参考答案】：C
2. The main task of the new government will be to _______the country towards democracy.
A) program B) steer C) count D) perceive √ [2]. 【参考答案】：B
3. Please accept my ________ apologies for not having informed you of the changes of textbooks
in advance.
A) obsessive B) specialized C) lifetime D) heartfelt √ [3]. 【参考答案】：D
4. I thought I'd take __________ of the sports facilities while I'm here studying in the University
of Washington. After all I paid a lot of tuitions and fees.
A) care B) charge C) advantage D) advancement √ [4]. 【参考答案】：C
5. Women's magazines are often __________ to be superficial, but we know that is not true.
A) treated B) perceived C) graduated D) interested √ [5]. 【参考答案】：B
6. Some teenagers never even read a newspaper, ______ a book; they spend much time playing
online games though.
A) let out B) let alone C) let go of D) hold fast √ [6]. 【参考答案】：B
7. The camera adjusts the shutter speed _________, so it is really a good choice for me, an
amateur “photographer.”
A) automatically B) considerate C) annually D) biannually √ [7]. 【参考答案】：A
8. The fight for the leadership gave a fascinating insight into the group's _______.
A) master B) syntactic C) dynamics D) institution √ [8]. 【参考答案】：C
9. She knew very well that failing her exams could _________her whole future.
A) jeopardize B）broaden C）arrange D）brainstorm √ [9]. 【参考答案】：A
10. I don’t have any ________clothes that I can wear at the graduation ceremony.
A) military B）appropriate C）dressing D）casual √ [10]. 【参考答案】：B
11. My heart ______ because I thought he was going to dump me for another girl.
A) sink B) sank C) sunk D) sinks √ [11]. 【参考答案】：B
12. He is finally determined to quit smoking for he knows that it may_________ his health.
A) ensure B) persecute C) jeopardize D) assure √ [12]. 【参考答案】：C
13. John was dismissed for his lack of ________ knowledge or necessary experience.
A) specialized B) specially C) specifically D) specified √ [13]. 【参考答案】：A
14. The ________ at the military academy is so rigid that students can hardly bear it.
A) convention B) confinement C) principle D) discipline √ [14]. 【参考答案】：D
15. He is a successful entrepreneur with a _______ of vision.
A) length B) breadth C) volume D) strength √ [15]. 【参考答案】：B
16. This is a demanding position where you will make significant use of your scientific ________.
A) professionalism B) altruism C)) sophistication D) expertise √ [16]. 【参考答案】：D