1. AS a ________ actor, he can perform, sing, dance and play several kinds of musical instruments.

A. flexible B. versatile

C. sophisticated D. productive

2. Any student who ______ his homework is unlikely to pass the examination.

A. reduces B. offends C. practices D. neglects

3. We managed to reach the top of the mountain, and half an hour later we began to ________.

A. ascend B. descend C. decline D. plunge

4. Your sister has made an ______ for you to see the dentist at 3 this afternoon.

A. appointment B. interview C. opportunity D. assignment

5. The committee is expected to ______ a decision this evening.

A. reach B. arrive C. bring D. take

答案与解析：

1.B。A. flexible灵活的，柔韧的n. flexibility

B. versatile形容人多才多艺的，形容工具用途广泛的vers代表随时可以变换的n. versatility DVD = Diaital Versatile Disc。C. sophisticated特定领域成就着著的学识渊博的女性事故的老练的naive女性单纯的纯真的naivety n. simple simplicity单纯。D. productive具有创造力的produce

2.D reduce 减少，降低，简化。offend 冒犯，触怒，使不悦。practice n练习，方法，技术，实务;v 实行,实施,实践;经常做。neglect 忽视，忽略;疏忽，忘记。

3.B.A. ascend ⒈上升，攀登⒉轻薄的东西升起(烟雾，声音)

B.descend下降下山

C.decline衰退拒绝下降(数字及时间的下降)

D.plunge plunge into忽然坠落或移动

4.A appointment 约会，约见，任命。interview 访谈，采访，面试。opportunity 时机，机会。 assignment 作业，指派，指定，赋值，分配。

5.A 只有reach 可以行业decision搭配，决定下来;下结论。也可以说arrive at a decision 。