单项选择题

A．Because she has more voluntary muscles than an average man.
B．Because 30 to 40 percent less muscle for her body mass than a man.
C．Because 60 to 70 percent less muscle for her body mass.
D．Because less muscle fiber for her body weight.
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单项选择题
A．They eat only fresh vegetable.B．They eat red meat but no fat.C．They eat no meat.D．They live a long life.
A．They eat only fresh vegetable.
B．They eat red meat but no fat.
C．They eat no meat.
D．They live a long life.
单项选择题
A．To demonstrate that current consumer trends are stable.B．To compare current consumer trends to those of the past.C．To indicate that most consumers actively research the products they buy.D．To show that there has been a decrease in consumer awareness.
A．To demonstrate that current consumer trends are stable.
B．To compare current consumer trends to those of the past.
C．To indicate that most consumers actively research the products they buy.
D．To show that there has been a decrease in consumer awareness.
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