单项选择题

A．To move muscles.
B．To early different messages.
C．To protect the nerves.
D．To control nerve cells.
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A．What that thing is.B．How long will he have to wait.C．Where the woman has been.D．Where are they goin
A．What that thing is.
B．How long will he have to wait.
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A．He felt nervous.B．He felt his roam changed.C．He felt his face half in water.D．He felt he was tremblin
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C．He felt his face half in water.
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