单项选择题

The only safe way of distinguishing between edible and poisonous mushrooms is to learn to ______the individual species.

A．identify
B．classify
C．isolate
D．separate
<上一题 目录 下一题>
热门 试题

单项选择题
If you______ your influence, they may change their decision.
A．compel
B．exert
C．expose
D．vary
单项选择题
Scientists generally hold that language has been so long in use that the length of time writing is known to cover is______ in comparison.
A．overwhelming
B．uninspiring
C．astounding
D．trifling
相关试题