单项选择题

What has happened to the earth's temperature over the last 18 years according to satellite data

A．It has increased slightly.
B．It has not changed.
C．It has decreased slightly.
D．It is not sure if it has changed.
<上一题 目录 下一题>
热门 试题

单项选择题
The media said global warming would NOT lead to______.
A．strong hurricanes
B．increasing heat
C．longer droughts
D．heavy rainstorms
单项选择题
Many experts feel______.
A．carbon-dioxide emissions should be limited
B．measures should be taken to prevent carbon-dioxide emissions
C．carbon-intensive energy technologies should be developed
D．there is no need to hurry [o do something about carbon-dioxide emissions
相关试题