题目内容：
Mrs. John
A．You build your own future. B．Healthy lifestyle will be a more popular way to keep fit.
C．Computer will be an effective tool for doctors.
D．Doctors may not need pills for heart troubles or over- weight.
E．Your brain waves may be used to check out your work performance.
F．People will be able to visit doctors more frequently.
G．Our appetite will be well controlled by drugs.
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答案解析：