What does "the statistics manage to struggle on to only about page six of most South African newspapers" imply？
A. Page six of most South African newspapers usually carries important stories.
B. The issue concerned has not been boosted to the top of public attention.
C. It's hard to establish statistics on page six of South African newspapers.
D. Not many of positive persons developed Aids.
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If the amount of evaporated water is less than the amount of water falling on, then ______.
A. stream flow will appear
B. the surplus of water will run off
C. flood will be generated
D. the plant has to transpire the surplus
Which group of the following people tends to have highest rate of Aids？
A. The black elite.
B. Women not using condoms.
C. Aids-stricken black male.
D. Young black women.
What audience do you think the author is writing the passage for？
A. The college admission officials.
B. Faculty and staff of the university.
C. Board of trustees.
D. Those who are opposed or undecided.
Intelligent readers know at once how ______ we are, and how skeptical, how firm for others
A. incredible
B. credible
C. credulous
D. creditable
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