单项选择题

Research has ______ that smoking causes lung cancer.

A．directed
B．indicated
C．judged
D．resulted
<上一题 目录 下一题>
热门 试题

单项选择题
All the students have to ______ to the rules and regulations of the school.
A．confirm
B．confront
C．confine
D．conform
单项选择题
With enough evidence, the young man had to ______ to stealing the jewels.
A．recognize
B．acknowledge
C．admit
D．remember
相关试题