Which of the following is not mentioned in the passage？
A. The causes of BSE.
B. The quality of the artificial valve.
C. The result of failure of the valves of the heart.
D. The way to make valve with animal tissue.
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In the passage, the author criticized many misconceptions. Which of the following is not the one he criticized？
A. The affirmative action programs give black students priority over white students.
B. Michigan University's admission policy favors ethnic students.
C. 40 out of 150 points are allocated for other factors than academic ones.
D. More points are awarded in admission formula for race than for a perfect SAT score.
According to the passage, the water that is available to us is ______.
A. equal to the precipitation
B. purified by useful plants
C. the fraction of water that is not evaporated
D. the rain falling and the snow melted
It is suggested in the passage that ______.
Aids case is rare in highly advanced countries
B. South Africa has the highest Aids rate in the world
C. the press tried to report a phoney war
D. minority young women are more often raped
To his cosmopolitan mind such deviations from the social ______ were no more than are the
A. norm
B. criterion
C. measure
D. standard
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