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  3. The use of nitrous oxide, or laughing gas during childbirth fell out of favor in the United States decades ago, and just two hos

The use of nitrous oxide, or laughing gas during childbirth fell out of favor in the United States decades ago, and just two hos

admin2014-01-07  51
问题     The use of nitrous oxide, or laughing gas during childbirth fell out of favor in the United States decades ago, and just two hospitals—one in San Francisco and one in Seattle—still offer it. But interest in returning the dentist office staple to the delivery room is growing: respected hospitals including Dartmouth-Hitchcock Medical Center plan to start offering it, the federal government is reviewing it, and after a long break, the equipment needed to administer it is expected to hit the market soon.
    Lori Rowell, due to give birth to her second child in June, is interested in the option.
    "I would definitely think about it, and read about and talk to my doctor about it," said Rowell, 36, of Concord. "It is nice to know that it doesn’t affect the baby."
    Though laughing gas is commonly used for labor pain relief in Canada, Great Britain and other countries, it’s been all but abandoned in the United States in favor of other options, said Judith Bishop, a certified nurse midwife at the University of California San Francisco Medical Center and leader in the effort to reintroduce laughing gas for labor.
    "In this country, most people when they hear about laughing gas, they think it sounds pretty retro(重新流行的), that it sounds very old-fashioned and they’re sure there’s something bad or dangerous about it and we must’ve chosen to eliminate it. But I think we eliminated it because we went for the more specialized, higher-tech options," said Bishop, who will be among the speakers Monday at a conference for New Hampshire, Vermont and Maine hospital officials.
    She and other advocates of reintroducing laughing gas emphasize that it is no silver bullet—it "takes the edge off" pain rather than eliminates it. But they say it should be among the options offered to women, particularly those who give birth at small or rural hospitals that lack round-the-clock anesthesiologists(麻醉师). Laughing gas is easy for women to self-administer, takes effect quickly, and can be used late in labor.
    "It’s not right for everybody, but it’s something that for many women will offer a certain amount of relief," Bishop said.
By saying that "it is no silver bullet"(Para. 6), Judith Bishop means that
选项 A、laughing gas cannot eliminate pain.
B、laughing gas cannot relieve much pain.
C、laughing gas is not as dangerous as most people imagine.
D、laughing gas is not as expensive as other options.
答案A
解析 第6段第1句中破折号后面的内容解释说明not silver bullet的含义。rather than表明．笑气可以减轻痛楚，但不能消除痛楚，A“不能消除痛楚”与之相符，故为本题答案。silver bullet指“灵丹妙药：特效药”，takes the edge off意为“减轻”。原文并没有提到笑气能多大程度上减轻痛楚。不能武断地说笑气“不能减轻多少痛楚”，故B不正确。
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