场外申购赎回ETF时，申购对价、赎回对价为现金。 ( )
参考答案：对
The young lady， seveal attempts to fix her cell phone，decided to have another try．
A．making
B．having made
C．to make
D．to have made
桥长超过3km时，应每隔约（）km（单侧约6km）在线路两侧交错设置1处可上下桥的紧急疏散通道，并设置防护门。
A.2
B.2.5
C.3
