单项选择题

A．Why species don’t avoid extinction by adapting.
B．Why species become extinct at the rate they do.
C．Why humans aren’t extinct.
D．How many species aren’t extinct.
<上一题 目录 下一题>
热门 试题

填空题
rearing
单项选择题
A．She was considerate.B．She was unforgiving.C．She was apologetic.D．She was sympathetic.
A．She was considerate.
B．She was unforgiving.
C．She was apologetic.
D．She was sympathetic.
相关试题