They are studying why people expend calories．,They are -找考题网

单项选择题

A．They are studying why people expend calories.
B．They are studying how long people should spend on exercising.
C．They are studying what is the most important way of keeping fit.
D．They are studying why some people get fat and others don’t.

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单项选择题

A．Friends.B．Father and daughter.C．Clerk and customers.D．Teacher and student.

A．Friends.
B．Father and daughter.
C．Clerk and customers.
D．Teacher and student.

单项选择题

A．They become slaves of their possessions.B．They do not work hard any more.C．They are quite economical with their money.D．They cannot live without a TV, car, computer, etc.

A．They become slaves of their possessions.
B．They do not work hard any more.
C．They are quite economical with their money.
D．They cannot live without a TV, car, computer, etc.

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