单项选择题

In Kraemer' s opinion, if some species died out, it would possibly _______.

A．affect the existence of other species
B．do good to other species
C．reproduce the species in the future
D．clone the species right now
<上一题 目录 下一题>
热门 试题

单项选择题
What is the main idea of this passage
A．It states the principles of time.
B．It explains why time flies and how to slow it down.
C．It describes various views about time.
D．It shows the different ideas of physicists and psychologists on time.
单项选择题
The word novelty (Line 4, Para. 4) could be best replaced by _______.
A．excitement
B．entertainment
C．unfamiliarity
D．amusement
相关试题