单项选择题

We must be patient ______ children.

A．under
B．to
C．with
D．of
<上一题 目录 下一题>
热门 试题

单项选择题
How are noises made by industrial machines solved in working places（）

A．By adding sound proofing.
B．By planting vegetation.
C．By wearing ear protection.
D．By separating residential areas.
单项选择题
Which sound can most people's ears pick up（）

A．Sounds of 15,000 hertz.
B．Sounds of 20,200 hertz.
C．Sounds of 30,000 hertz.
D．Sounds of 50,000 hertz.
相关试题