单项选择题

With the success of experiments on vaccine against some forms of cancer, the research group has been ______ itself up for the furtherance of research in this field.

A．preparing
B．equipping
C．gearing
D．framing
<上一题 目录 下一题>
热门 试题

单项选择题
The survival of historic interests as we know it is ______ threat.
A．under
B．upon
C．within
D．towards
单项选择题
______ there is little we can do to change the reality, we can not be totally at the mercy of the harsh environment.
A．Since
B．When
C．Unless
D．While
相关试题