21.   Recently he presented his first sample to President Boris Yeltsin.

22.   The International Association of Athletics Federations suspended Cheval after the first sample tested positive.

23.   The International Association of Athletics Federations temporarily suspended Cheval after the first sample came back positive.

24.   Timo Seppala, chairman of the Finnish Anti-Doping Committee, said he had never heard of a secondary sample being negative if a first sample proved positive.

25.   Until recently, the space had included a mailroom, but there was no evidence of any suspicious letter and the first environmental samples from the hospital were negative.

26.   Federation vice-president Mario Hille said that a first sample taken from Botha proved to be positive that he had taken illegal drugs.

27.   That first sample contained nandrolone, a performance enhancing steroid, but will not be technically considered a positive drug test because of the handling error.

28.   The Guardian also reported that Modahl is believed to have produced a first sample revealing a substance which falls into the most serious category on the banned list.

a. + sample >>共 409
free 8.14%
small 7.83%
random 5.30%
second 4.84%
representative 4.38%
large 2.46%
first 2.15%
new 1.38%
writing 1.38%
scientific 1.38%
first + n. >>共 866
time 17.03%
half 3.66%
round 3.47%
day 2.41%
step 2.05%
game 1.75%
quarter 1.68%
year 1.32%
inning 1.07%
meeting 1.03%
sample 0.02%
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