《资格证书》持有人应当在《资格证书》有效期届满( )前向中国保监会申请换发。
A．30日
B．60日
C．100日
D．180日
参考答案：A
— __________ when has the country been open to international trade?
— 1978, I suppose.
A．Since
B．In
C．From
D．After
An epigram is usually defined being a bright or witty thought that is tersely and ingeniously expressed.
A．as
B．as be
C．as been
D．to being
