听力原文：David is not to be seen in this lab from tomorrow, is he?
(A) No, he took a job offer at Wesley.
(B) Let's wrap up this meeting here.
(C) Yes, he has an appointment tomorrow.
(8)
A．
B．
C．

混凝土的抗压强度制作试块的最小尺寸应根据()而定。A.混凝土量B．混凝土强度C．集料粒径D．试模###SX

A.混凝土量
B．混凝土强度
C．集料粒径
D．试模
B.
C.
D.

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不属于保险直接销售的是( )。

A.上门推销
B．柜台销售
C．银行销售
D．邮寄销售

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