题目内容
（请给出正确答案）
A．mapped out
B．set out
C．chickened out
D．broken out
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更多“I know it was a difficult task…”相关的问题
From the passage we know that the nerve impulses in human beings ______.
A．are lack of differentiation in quality
B．are similar in size, number, and arrangements
C．reveal qualitative diversity
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A．who
B．whom
C．whose
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A. What, what
B. Will, what
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A.what
B.how
C.which
D./
A.expressing
B.express
C.expressed
D.expression
I know it's not important but I can't help______about it.
A．to think
B．thinking
C．and think
D．being thought
Little __________that I would one day take part in a war that would last for six years.
A． I knew
B． I know
C． would I know
D． did I know
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A．know
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