单项选择题

A．On the earth.
B．On the moon.
C．At sea.
D．In a spaceship.
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单项选择题
A．He was an English general.B．He was a Scottish general.C．He was an English biologist.D．He was a Scottish biologist.
A．He was an English general.
B．He was a Scottish general.
C．He was an English biologist.
D．He was a Scottish biologist.
填空题
From this report we learn that each year there are about ______ people immigrating into the US and about ______ people may become American citizens.
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