单项选择题

Passage One Questions 26 to 28 are based on the passage you have just heard.

A．Why fog freezes at low temperatures.
B．How very small droplets can form.
C．Why the density of fog varies.
D．How water droplets stay suspended in air.
<上一题 目录 下一题>
热门 试题

单项选择题
A．A feeling as a fish out of water.B．A feeling that series of props have been knocked from under you.C．A feeling that one has experienced some frustration and anxiety.D．A feeling that one is rejected by the society.
A．A feeling as a fish out of water.
B．A feeling that series of props have been knocked from under you.
C．A feeling that one has experienced some frustration and anxiety.
D．A feeling that one is rejected by the society.
单项选择题
A．They both have leg injuries.B．They are too tired to walk any further.C．They have no umbrella with them.D．They have seen no signs to give them directions.
A．They both have leg injuries.
B．They are too tired to walk any further.
C．They have no umbrella with them.
D．They have seen no signs to give them directions.
相关试题