单项选择题

A．A businessman in a store.
B．A wander in the street.
C．Amateur detective.
D．A policeman with plain clothes.
<上一题 目录 下一题>
热门 试题

填空题
Researches in the wild field evaluating the two most common Bt corn plants showed that the toxin absorbed was too______.
填空题
It is much more difficult to ______ than to calculate the benefits of the GM crops.
相关试题