问题
选择题
Receiving the report that the plane crashed, the government took measures .
A．at no time
B．in no time
C．at a time
D．of all time
答案
答案：B
本题考查time短语辨析。A. at no time 绝不 ；B. in no time立刻；C. at a time at a time 作“一次，每次”讲，常用于“数词+at a time”的结构中。结合句意可知应选B。