单项选择题

A. No, it doesn’t matter. B. I don’t think so.
C. I’ve got a sore throat. D. It matters a lot.
<上一题 目录 下一题>
热门 试题

填空题
( ) 温室效应 ( ) 酸雨
单项选择题
Doctors have long known that______
A. one will become deaf when he hears a loud noise
B. hearing damage or loss can be caused by sounds of all kinds
C. one may lose his hearing when he hears a terribly loud noise
D. common sounds at home are not harmful to the ear
相关试题