单项选择题

Now, as our urban areas (sink ever deeper) into drug-produced crime, death (from) the illicit use of unregulated and dangerous drugs (following) death, (that) becomes vital for the parents, teachers, and advisors of our youth to have as wide an understanding of these problems as possible.

A.sink ever deeper
B.from
C.following
D.that
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单项选择题
The moon may be considered a world that is complete in itself yet utterly dead, a sterile, mountainous waste on which (during the day) the sun (blazes down) with great heat, but on which during the night the cold is so intense that it (far) surpasses anything ever (experiencing) on the earth.
A.during the day
B.blazes down
C.far
D.experiencing
单项选择题
In the digestive process, food (is initially processed) in the stomach, with its nutrient value (passing into) the bloodstream. Alcohol, however, (is highly unusual) (so that) some 20 percent enters the bloodstrem directly from the stomach, having bypassed the digestive process.
A.is initially processed
B.passing into
C.is highly unusual
D.so that
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