1. Because of the popularity of the region, it is advisable to book hotels in advance.
A)possible B)profitable C)easy D)wise
2. Data from Voyager have presented astronomers with a puzzle about why our outermost planet exists.
A)problem B)mystery C)question D)point
3. He rolled up his trouser leg to exhibit his wounded knee.
A)spread B)open C)show D)examine
4. Why cant you stop your eternal complaining?
A)everlasting B)long C)monotonous D)lengthy
5. Loud noises can be annoying.
A)hateful B)painful C)horrifying D)irritating
6.Human facial expressions differ from those of animals in the degree to which they can be deliberately controlled and modified.
A)sufficiently B)noticeably C)intentionally D)absolutely
7. The constitutions vague nature has given it the flexibility to be adapted when circumstances change.
A)imprecise B)concise C)unpolished D)elementary
8. The expedition reached the summit at 10:30 that morning.
A)top of the mountain B)bottom of the mountain C)starting point D)site
9. While serving in the senate in the early 1970s,Barbara Jordan supported legislation to ban discrimination and to deal with environmental problems.
A)list B)forbid C)handle D)investigate
10. Gambling is lawful in Nevada.
A)legal B)irresistible C)enjoyable D)profitable
11. They always mock me because I am ugly.
A)smile at B)look down on C)belittle D)laugh at
12. These are our motives for doing it.
A)reasons B)arguments C)targets D)stimuli
13. His new girlfriend had omitted to tell him that she was married.
A)forgotten B)failed C)deleted D)left out
14. Guests were scared when the bomb exploded.
A)frightened B)killed C)endangered D)rescued
15. He was one of the principal organizers of the association.
A)planners B)employees C)actors D)recipients
参考答案：DBCAD CAABA DABAA