根据汉语或首字母提示完成单词。

1. As he had never been there before, he found a great deal to i          him.

2.           (无论什么) you do, don't miss this          (展出).

3. We should eat proper meals, for they provide us with            (能量).

4. Amy Kim is one of the best known p          in the world today.

5. It does have a few good f          .

测定时间段应选择在干扰的高峰、低峰，一般负荷三个（）。

A.时间

B.区段

C.阶段

D.时间区段