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单项选择题

According to the passage, what was the percentage of American adults doing regular physical exercises two years ago

A．About 70%.
B．Nearly 60%.
C．Almost 50%.
D．More than 12%.
相关考题

Which of the following is closed in meaning to the phra...

单项选择题Which of the following is closed in meaning to the phrase "leveled off"( Para, 2)

A．Become very popular.
B．Stopped being popular.
C．Reached its lowest level in popularity.
D．Stopped increasing in popularity.

Which of the following would be the best TITLE for the ...

单项选择题Which of the following would be the best TITLE for the passage

A．Different Forms of Exercise.
B．Exercise--The Road to Health.
C．Scientific Evidence of Health Benefits.
D．Running--A Popular Form of Sport.

A growing interest in sports developed after ______.A．r...

单项选择题A growing interest in sports developed after ______.

A．research showed their health benefits
B．people got the message from magazine covers and postage stamps
C．scientific evidence of health benefits was shown on TV ads
D．an increasing number of races were held in American cities

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