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[单项选择]Researchers recently determined that the raptors, which were the Indian subcontinent’s carcass-disposal system, are dying of kidney failure shortly after scavenging livestock treated with diclofenac, a painkiller akin to aspirin or ibuprofen.
At word of the link between the painkiller and the vulture deaths, conservationists and government officials from India, Pakistan, and Nepal convened in India to discuss a recovery effort.
Conservationists called for an immediate ban on the veterinary use of diclofenac and search for a safe alternative to the drug.
[填空题]The Bush Administration appears determined to continue the war on drugs that has been actively (36) by all U. S governments since the Nixon Administration.
Defenders of the war on drugs often throw in an economic (37) . It has been (38) because it curtails (消减) use by raising street prices. It does this because suppliers have to be compensated for the risk of imprisonment and other punishments. It may be true that high prices have (39) the demand for drugs, but the fact remains that most illegal drugs remain popular and (40) , regardless of price. More important, any (41) in the number of addicts and other users has come with an enormous price label. The U. S alone spends almost $ 40 billion annually waging the drug war, and other countries also spend big sums.
The war is fought by seizing and destroying drugs and by apprehending and imprisoning suppliers. A (42) fact is that the U. S imprisons a l