31.   Casual use among cocaine and heroin users has also fallen.

32.   Clinton acknowledged the rise in drug use among young people in his Saturday address.

33.   Clinton conceded more must be done to deal with growing drug use among young people.

34.   Condom use among both groups was low.

35.   Despite some of the on-line steps colleges have made, several issues still loom large that may temper widespread use among academia.

36.   Dole then sought to turn the issue to the doubled drug use among teen-agers during the Clinton administration.

37.   Drug use among teen-agers, he said, has more than doubled.

38.   Drug use among adults has declined over the past decade.

39.   Drug use among players was rampant.

40.   Drug use among teen-agers has more than doubled in America.

n. + among >>共 1306
support 2.52%
concern 2.29%
competition 1.72%
debate 1.01%
casualty 0.99%
difference 0.97%
fear 0.96%
cooperation 0.94%
chief 0.92%
rate 0.81%
use 0.45%
use + p. >>共 51
of 76.45%
in 7.42%
for 3.82%
by 2.79%
as 2.29%
on 1.11%
to 0.91%
with 0.83%
at 0.75%
among 0.56%
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