单项选择题

A．To prevent car accidents.
B．To monitor the driver’’s health.
C．To drive the car automatically.
D．To measure the driver’’s pulse.
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单项选择题
A．Always try to make it across.B．Always try to brake and stop.C．Always try to accelerate.D．Always try to turn left.
A．Always try to make it across.
B．Always try to brake and stop.
C．Always try to accelerate.
D．Always try to turn left.
单项选择题
Exercise can benefit those who suffer from loneliness.
A．Y
B．N
C．NG
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