2018年解放军士兵考军校-英语 128

 {00}Cancer is one of the top killer diseases nowadays and scientists have found out that stress helps to bring it _________． 

A.up
B.down
C.out
D.on
解析：
本题选D。

{00}It's clever ________ the girl to make such an important experiment．
A.for
B.of
C.to
D.with

解析：clever用来描述人的品质时，后面应用of。

本题选B。