第一部分：阅读理解 (共20小题；每小题 2.5分，满分50分)
第一节（共15小题，每小题2.5分，共37.5分）
阅读下列短文，从每题所给的A、B、C、D四个选项，选出最佳答案，并在答题卡上将该项涂黑。
A
After a busy day of work and play, the body needs to rest. Sleep is necessary for good health. During this time, the body recovers from the activities of the previous day. The rest that you get while sleeping makes it possible for your body to prepare itself for the next day.
