单项选择题

The word "innocuous" in the fifth paragraph probably means ______.

A．arbitrary.
B．legendary.
C．harmless.
D．lethal.
<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following statements is TRUE of Jeremy Thomas and Carly Stevens's surveys
A．They reported the results of the surveys to the government.
B．There were no such comprehensive surveys done before.
C．The surveys show there are more plant species extinct.
D．Other ecologists will do more surveys based on theirs.
单项选择题
According to David Wedin, the extinction of many species are caused by human beings' ______.
A．arrogance.
B．ignorance.
C．nonchalance.
D．blunder.
相关试题