21.   With swimmers back in the pool hours after another Chinese drug controversy, two United States competitors broke meet records in qualifying races at the world championships Thursday.

a. + record >>共 677
criminal 7.98%
medical 4.41%
best 3.77%
high 3.14%
public 3.07%
new 2.88%
winning 2.29%
financial 1.78%
voting 1.53%
previous 1.53%
meet 0.16%
meet + n. >>共 79
record 11.93%
director 10.23%
official 8.52%
promoter 5.11%
organizer 3.41%
leader 2.84%
demand 2.84%
format 2.27%
referee 2.27%
standard 2.27%
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