【小题 1】A
【小题 2】B
【小题 3】B
【小题 4】A
【小题 5】A
【小题1 】根据文章的内容they begin the first class at about 8:30 a.m.可知答案为A
小题2:根据文章内容However, some parents are worried that more sleep means less learning.根据文章内容可知答案为B
小题3:从她的话中“I used to get up at 6:30 a.m. I had to drink coffee every night,”说过去是这样，但是现在不是这样，可知答案为B
小题4:根据文章内容“Many teachers agree that the change helps students learn better. “Students used to doze（打瞌睡） in the first two classes in the morning,”可知答案为A
小题5:根据意思，选A，这种表述是正确的。