推送车辆前或连续连挂作业中连挂车组间隔超过（）车时必须试拉。连续连挂作业时，每个连结处均应检查确认，最后一组（辆）禁止连续连挂。
参考答案：10
______ in March, that so many people had on their light wears.
A．So hot became the weather
B．So became the hot weather
C．The hot weather became so
D．So hot did the weather become
计算机的存储器可分为主存储器和辅助存储器两种。( )
