Questions 37-46 are based on the following passage.
　　As an Alaskan fisherman, Timothy June,54, used to think that he was safe from industrial pollutants(污染物) at his home in Haines--a town with a population of 2,400 people and 4,000 eagles,with 8 million acres of protected wild land nearby. But in early 2007, June agreed to take part in a 36 of 35 Americans from seven states. It was a biomonitoring project, in which people's blood and ur/ne (尿) were tested for 37 of chemicals--in this case, three potentially dangerous classes of compounds found in common household 38 like face cream, tin cans, and shower curtains. The
　　results--39 in November in a report called"Is It in Us?" by an environmental group--were rather worrying. Every one of the participants,40 from an minois state senator to a Massachusetts minister, tested positive for all three classes of pollutants. And while the 41 presence of these chemicals does not 42 indicate a health risk, the fact that typical Americans carry these chemicals at all 43 June and his fellow participants.
　　Clearly, there are chemicals in our bodies that don't 44 there. A large, ongoing study conducted by the Centers for Disease Control and Prevention has found 148 chemicals in Americans of all ages.
And in 2005, the Environmental Working Group found an 45 of 200 chemicals in the blood of 10 new-borns."Our babies are being born pre-polluted," says Sharyle Patton of Commonweal, which cosponsored "Is It in Us?This is going to be the next big environmental issue after climate change."

A． analyses 
B． average 
C． belong
D． demonstrated 
E．excess
F． extending
G． habitually
H． necessarily
I． products
J． ranging 
K． released
L． shocked
M． simple
N． survey
O． traces

37、第(36)题应填__________
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39、第(38)题应填__________
40、第(39)题应填__________
41、第(40)题应填__________
42、第(41)题应填__________
43、第(42)题应填__________
44、第(43)题应填__________
45、第(44)题应填__________
46、第(45)题应填__________

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