单项选择题

A．Wearing arm weights while you are swimming.
B．Jogging energetically in one place for a long time.
C．Using bicycles that require you to use both your arms and legs.
D．Walking slowly while swinging your arms back and forth.
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单项选择题
A．She doesn’t want to make a bad first impression.B．She is afraid of getting off the subject.C．She is afraid they won’t listen.D．She knows that they can’t do anything about it.
A．She doesn’t want to make a bad first impression.
B．She is afraid of getting off the subject.
C．She is afraid they won’t listen.
D．She knows that they can’t do anything about it.
单项选择题
A．She can go with him this afternoon.B．She has a lot to do today.C．She’s almost as busy as he is.D．She might be finished by noon.
A．She can go with him this afternoon.
B．She has a lot to do today.
C．She’s almost as busy as he is.
D．She might be finished by noon.
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