单项选择题

Supersize Surprise

According to the US National Center for Health Statistics, the increased obesity in the US is a result of（）.

A. the growing number of smokers among young people
B. the rising proportion of minorities in its population
C. the increasing consumption of high-calorie foods
D. the improving living standards of the poor people

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单项选择题
A. She will be absent in the next class.B. She will help the professor hand out the course outline.C. She will copy the outline by herself.D. She will go to the office of the professor.

A. She will be absent in the next class.
B. She will help the professor hand out the course outline.
C. She will copy the outline by herself.
D. She will go to the office of the professor.
单项选择题
Which of the following best states the main idea of the passage（）

A. Noise is a major problem; most people recognize its importance.
B. Although noise can be annoying, it is not a major problem.
C. Noise is a major problem and has not yet been recognized as such.
D. Noise is a major problem about which nothing can be done.
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