后张法孔道压浆宜采用（）。
A.混凝土
B.水泥砂浆
C.水泥浆
D.水
参考答案：C
— How do you often spend your summer holidays?
— I often go hiking, for I like ________ nature. [ ]
A. getting close to
B. getting away from
C. getting along with
D. getting together with
持票人对支票出票人的权利，自出票日起( )有效。
A．6个月
B．1年
C．2年
D．5年
