第30题: [单项选择]If one wants to work more efficiently at his low point in the morning, he should ______. A. change his energy cycle B. overcome his laziness C. get up earlier than usual D. go to bed earlier 参考答案:C 答案解析:本题为细节辨认题。在第二段中提到“If our energy is low in the morning but you have an important job to do early in th