单项选择题

Doctors and researchers have to keep themselves ______ on the latest developments in their sphere of study.

A. convinced
B. isolated
C. humiliated
D. updated
<上一题 目录 下一题>
热门 试题

单项选择题
There is no exception ______ the rule that every rule has an exception.
A. for
B. on
C. to
D. in
单项选择题
These intelligence officers tried a ______ of persuasion and force to get the information they wanted.
A. combination
B. collaboration
C. conviction
D. confrontation
相关试题