单项选择题

The sky was so clear in fact that the communications crew and recovery team could watch the balloon ______ to its maximum altitude with the naked eye.

A．hike
B．elevate
C．escalate
D．ascend
<上一题 目录 下一题>
热门 试题

单项选择题
The storm sweeping over this area now is sure to cause ______ of vegetables in the coming days.
A．prosperity
B．scarcity
C．invalidity
D．solidarity
单项选择题
The ______ of a diploma to students with disabilities has a negative effect on their future educational and occupational attainment.
A．refusal
B．betrayal
C．denial
D．serial
相关试题