单项选择题

A．Different countries.
B．Income, race and age.
C．Americans.
D．Both men and women who are interested in lt.
<上一题 目录 下一题>
热门 试题

单项选择题
It can be inferred from the passage that we need to control noise pollution if______.
A．we want to stay both psychologically and physically healthy
B．we don't want to be easy to make angry with others
C．we want to work hard and cooperate well with each other
D．we don't want to suffer from serious anxiety and feel uneasy
单项选择题
People waiting at an airport______.
A．enjoy hearing airplanes taking off and landing
B．are usually not troubled hy the noise
C．can easily tell sound from noise
D．are often physically affected by the noise
相关试题