2. 外语
  3. A. clearing B. established C. adversely D. triggering E. infectious F. produce G. plant H. habitats I. outbreak

A. clearing B. established C. adversely D. triggering E. infectious F. produce G. plant H. habitats I. outbreak

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问题     A. clearing   B. established C. adversely D. triggering  E. infectious
    F. produce    G. plant       H. habitats  I. outbreaks   J. resulting
    K. presumably L. outbursts   M. settled   N. illustrated O. concern
    In 1997, clouds of smoke hung over the rainforests of Indonesia as an area roughly the size of Pennsylvania was burned to make way for agriculture. Smothered in haze, the trees couldn’t【C1】________fruit, leaving resident fruit bats with no other option than to fly elsewhere in search of food, carrying with them a deadly disease.
    Not long after the bats【C2】________on trees in Malaysian orchards, pigs around them started to fall sick—【C3】________after eating fallen fruit the bats had bitten—as did local pig farmers. By 1999, 265 people had developed a severe brain inflammation (炎症), and 105 had died. It was the first known emergence of Nipah virus in people, which has since caused a string of recurrent【C4】________across Southeast Asia.
    It’s one of many【C5】________diseases usually confined to wildlife that have spilled over to people in areas undergoing rapid forest【C6】________. Over the past two decades, a growing body of scientific evidence suggests that deforestation, by【C7】________a complex series of events, creates the conditions for a range of deadly pathogens—such as Nipah and Lassa viruses, and the parasites that cause malaria and Lyme disease—to spread to people.
    Experts have expressed【C8】________about the health of people living at the frontiers of deforestation. They’re also afraid that the next serious pandemic could emerge from our world’s forests.
    "It’s pretty well【C9】________that deforestation can be a strong driver of infectious disease transmission," says Andy MacDonald, a disease ecologist. "It’s a numbers game: the more we degrade and clear forest【C10】________, the more likely it is that we’re going to find ourselves in these situations where epidemics of infectious diseases occur."
【C6】
选项
答案A
解析 rapid forest…作undergoing“遭遇”的宾语。故空格处应填入名词或动名词。与forest搭配得当的是clearing。forest，clearing字面意义是“森林移除”，也就是“把森林的树砍光”的意思。clearing填入后本句意思是“这些传染病已经蔓延到森林遭到快速砍伐的地区”，与前面两段的信息一致：毁林导致传染病暴发。另外，此处也与第5段第2句的clear forest…相照应。
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