A-A+
By this passage the author is trying to______
问题详情
By this passage, the author is trying to______.
A．persuade people to have more sleep
B．show how busy Americans are
C．reveal Americans" attitude toward sleep
D．describe how interesting American night life is
参考答案
正确答案：A
解析：文中“sleep loss contributes to everything from drug abuse to poor grades in school”从中可看出文章的基调是告诫人们缺乏睡眠会造成许多后果，也就是劝说人们要多睡一些。
