第一部分：词汇选择
下面共有15个句子，每个句子均有一个词或短语划有底横线，请从每个句子后面所给的四个选项中选择一个与划线部分意义最相近的词或短语。
1. Loud noises can be annoying.
A. hateful B. painful
C. horrifying D. irritating
2. 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
3. The Constitution's vague nature has given it the flexibility to be adapted when circumstances change.
A. imprecise B. concise
C. unpolished D. elementary
4. 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
5. The latest census is encouraging.
A. count B. statement
C. agreement D. estimate
6. Academic records from other institutions often become part of a university's official file and can neither be returned to a student nor duplicated.
A. borrowed B. purchased
C. copied D. rewritten
7. While serving in the Senate in the early 1970's, Barbara Jordan supported legislation to ban discrimination and to deal with environmental problems.
A. list B. forbid
C. handle D. investigate
8. Gambling is lawful in Nevada.
A. legal B. irresistible
C. enjoyable D. profitable
9. They always mock me because I am ugly.
A. smile at B. look down on