压力式局部通风机和启动装置，必须安装在进风巷道中，距风口不得小于（）米。
A.3
B.5
C.10
D.15
参考答案：C
He suffers two heart attacks in a year. It hasn’t stopped him drinking wine, ______.
A．though
B．either
C．too
D．neither
支票上印有“现金”字样的为现金支票，现金支票只能用于提取现金。
