31.   He sees similar problems among other children in the preparatory school where he teaches.

32.   Hirayama said he has not encountered any problems among his patients.

33.   His concern about health problems among the poor prompted him to develop successful programs in urban rat control and the prevention of childhood lead poisoning.

34.   Hunger is a major problem among the elderly in America.

35.   In other words, investigators found compliance problems among employers of all types.

36.   In other Pacific societies, Dr. Becker said, similar cultural shifts have been accompanied by an increase in psychological problems among adolescents.

37.   In the past, law enforcement officials have hinted at control problems among the FBI ranks once the gas operation got under way.

38.   It has been identified as a particular problem among minorities and the poor in inner-city neighborhoods.

39.   Intravenous infection is also a problem among seniors, partly because of aging baby boomers still doing drugs, but also because of diabetics sharing insulin needles.

40.   Knoll said the company could find no more evidence of heart valve problems among sibutramine users than study subjects given placebos, or dummy pills.

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%
problem 0.55%
problem + p. >>共 73
of 23.83%
in 23.48%
for 18.15%
at 5.41%
on 3.75%
by 3.27%
to 2.14%
as 2.13%
from 1.67%
such_as 1.45%
among 0.85%
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