题目内容

A．He has never seen a fossil that old.B．It could be many millions of years old.C．It is

A. He has never seen a fossil that old.
B. It could be many millions of years old.
C. It is probably a recent specimen.
D. He will ask tile lab how ()Id it is.

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【B4】

A. used
B. mentioned
C. signed
D. received

A．knockedB．forcedC．pushedD．tried

A. knocked
B. forced
C. pushed
D. tried

_____首先提出了循环行为论。

A. 伯法
B. 梅奥
C. 亨利.明茨伯格
D. 玛丽.福莱特

The candidates must be able to speak a foreign language.

A. Right
B. Wrong
C. Doesn't say