单项选择题

There is little reason to believe that the United States will ______ from its stated goal of regime change in Iraq.

A．back down
B．blow off
C．pop up
D．step up
<上一题 目录 下一题>
热门 试题

单项选择题
Anxiety is believed to ______ diabetes by raising levels of the stress hormone cortisol, which regulates insulin and blood-sugar levels.
A．impede
B．exacerbate
C．inherit
D．facilitate
单项选择题
If all the viruses on the planet were to disappear, a global catastrophe would, ______.and the natural ecosystems of the earth would collapse in a spectacular crash under burgeoning populations d insects.
A．varnish
B．disperse
C．contaminate
D．ensue
相关试题