考研考试

【单选题】You feel tired all day probably because ______.
A．you stay up too late
B．you get up too early in the morning
C．you take sleeping pills
D．you wake up too frequently at night
网考网参考答案：C
网考网解析：
[试题分析] 事实推断题。 [详细解答] 文章第二段谈到The pill is still working in your system when you get up in the morning．This helps account for the fact that you feel tired all day．正因为药效早上仍在起作用，导致你一整天都疲乏。所以答案为C。 查看试题解析出处>>