Over the years, pregnant women have asked Donald Redelmeier, at Toronto’s Sunnybrook Hospital, about the dangers of diving, hot

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问题     Over the years, pregnant women have asked Donald Redelmeier, at Toronto’s Sunnybrook Hospital, about the dangers of diving, hot tubs, flying, mountaineering, cycling, bear attacks and all sorts of other exotic risks,【C1】________they never【C2】________road accidents. His new study, published in the Canadian Medical Association Journal,【C3】________they should.
    Dr. Redelmeier and his colleagues wanted to know【C4】________pregnancy makes a woman driver more likely to be【C5】________in a car crash. So they【C6】________data from the Ontario Health Insurance Plan, which records health visits for the Canadian province’s 13m residents. The researchers【C7】________women who, in the months before giving birth,【C8】________a hospital emergency unit after a car accident in which they had been driving. They【C9】________looked at those women’s hospital visits in the three years before becoming pregnant and for one year【C10】________the birth.
    They found that being pregnant made the women 42% more likely to be in a serious car crash. The【C11】________peaked in the fourth month of pregnancy. It seems that being pregnant is about as【C12】________for drivers as having sleep apnoea, which【C13】________people to snore and choke themselves awake throughout the night, leaving them【C14】________during the day.
    Women’s driving seemed to be affected【C15】________how rich or poor or old they were, whether their pregnancy was【C16】________or straightforward, or whether they already had children. To 【C17】________the possibility that pregnant women simply had an increased【C18】________to seek care— or,【C19】________layman’s terms, were neurotic—they looked at whether they were more likely to go to hospital when involved in crashes that they did not cause,【C20】________they were passengers or pedestrians. The answer was "no".
【C13】

选项 A、leads
B、causes
C、triggers
D、induces

答案B

解析 causes。本题考查动词辨析。四个选项分别为A项leads“引导”;B项causes“导致”;C项triggers “引发”;D项induces“引起,引诱”。lead如果要理解成 “导致”的含义,一般需要使用短语lead to;而lead sb. to意为“引导某人,带领某人”,故排除A项。trigger一般搭配某物,不搭配某人,故排除C项。induce sb. 的意思为“引诱某人”,不符合文意,故排除D项。causes符合文意及文中用法。故本题答案为B项。
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