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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 Voyagerhave 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. | 
