单项选择题

A．The greenhouse effect.
B．The heat from the sun.
C．Such objects as the seats, the dashboard, etc.
D．Carbon dioxide, methane(甲烷) gas and water vapor.
<上一题 目录 下一题>
热门 试题

单项选择题
A．They perform better in school.B．They suffer fewer accidents.C．They are less likely to be too fat.D．They are free from serious disorders.
A．They perform better in school.
B．They suffer fewer accidents.
C．They are less likely to be too fat.
D．They are free from serious disorders.
单项选择题
A．It is typical January weather for this region.B．It won’t really snow until January.C．Such a large amount of snow is unusual for this month.D．There has never been much snow down South.
A．It is typical January weather for this region.
B．It won’t really snow until January.
C．Such a large amount of snow is unusual for this month.
D．There has never been much snow down South.
相关试题