经营行客户经理对一次性还本的经营类个人信贷业务至少每（）进行一次贷后检查。
A.月
B.季
C.半年
D.年
参考答案：C
For holidays,many people visit the Great Barrier Reef__________the northeast coast of Australia.[ ]
A. beyond
B. on
C. within
D. off
If you often go to a gallery, it ______ well change forever the way you look at art.
A．may
B．should
C．will
D．must
