单项选择题

Why do tornadoes appear to be dark

A．They occur only at night.
B．They are funnel-shaped.
C．They pick up debris from the ground.
D．They are water-laden.
<上一题 目录 下一题>
热门 试题

单项选择题
According to the passage, which of the following behaviors is frequently characteristic of funnel clouds
A．Descending from different cloud bases.
B．Occurring in isolated areas.
C．Lasting a long time.
D．Occurring in groups.
单项选择题
In die second paragraph, the word real in real goods could best be replaced by which of the following
A．high quality
B．concrete
C．utter
D．authentic
相关试题