A．By calling them fools.
B．By writing them jokes.
C．By sending them ridiculous cards.
D．By taping a paper fish to their friends' backs.

国际法制计量局是国际法制计量组织的（）

A.执行机构
B.常设机构
C.联络机构
D.工作机构

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A．In the morning.B．In the afternoon.C．In the evening.D．The whole day.

A.In
B.
B．In
C.
C．In
D.
D．The
E.

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