单项选择题

A．To move the muscles.
B．To carry different messages.
C．To protect the nerves.
D．To control nerve cells.
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单项选择题
A．Wednesday, June 7, at 6:30 p. m.B．Wednesday, June 30,6at 7:00 p. m.C．Monday, June 10, at 9:00a. m.D．Friday, June 14, at 7:00 p. m.
A．Wednesday, June 7, at 6:30 p. m.
B．Wednesday, June 30,6at 7:00 p. m.
C．Monday, June 10, at 9:00a. m.
D．Friday, June 14, at 7:00 p. m.
单项选择题
A．They didn’t watch the end of the race.B．Only three of them didn’t finish the race.C．Most of them didn’t run.D．They participated in the last three races.
A．They didn’t watch the end of the race.
B．Only three of them didn’t finish the race.
C．Most of them didn’t run.
D．They participated in the last three races.
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