What is the general tone of this passage？
A. Dogmatic.
B. Persuasive.
C. Impersonal.
D. Ironic.
查看答案
With the two stories in Para. 2, the author explains
A. what are addictive and subtractive body-image problems.
B. women are more likely to suffer from body-image.
C. a lot of health problems axe caused by dieting.
D. obsession with body-image can cause death or damage to oneself.
What is the author's attitude towards the phenomenon of teenagers' drinking？
A. Favorable.
B. Undisclosed.
C. Impartial.
D. Realistic.
Which of the following can be used as the best title of this passage？
A. Employment and the Economy.
B. Unemployment and the Economy.
C. The National Economy of the U.S.
D. Unemployment Rate.
Blood doping increases the capacity for oxygen delivery by
A. enlarging muscle fibers.
B. increasing blood flow.
C. raising hemoglobin count.
D. making an athlete's mind active.
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