填空题

Under what conditions are helicopters found to be absolutely essential

【参考答案】

Helicopters are essential for any urgent mission.
<上一题 目录 下一题>
热门 试题

填空题
How has the use of helicopters developed
单项选择题
A．He prefers taking a plane because the bus is too slow.B．He prefers taking a bus because the plane makes him nervous.C．He prefers staying at home to traveling by plane.D．He prefers traveling with the woman.
A．He prefers taking a plane because the bus is too slow.
B．He prefers taking a bus because the plane makes him nervous.
C．He prefers staying at home to traveling by plane.
D．He prefers traveling with the woman.
相关试题