单项选择题

Noise control demands the following factors except______

A．sense of proportion
B．money and technology
C．conflict of interest
D．self-discipline
<上一题 目录 下一题>
热门 试题

单项选择题
According to the first paragraph, noise is______.
A．inseparable from leisure
B．inseparable from by-product
C．inseparable from working hours
D．inseparable from the advance of our life
单项选择题
The best way to solve the noise problem is to______.
A．stop using machines
B．make vehicles soundless
C．put something~ in your ears
D．prevent it from reaching human ears
相关试题