2. 专升本
  3. A. called B. published C. vocally D. feasible E. possible F. probably G. primarily H. stop I. indeed J. con

A. called B. published C. vocally D. feasible E. possible F. probably G. primarily H. stop I. indeed J. con

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问题     A. called     B. published  C. vocally   D. feasible  E. possible
    F. probably   G. primarily  H. stop    I. indeed    J. conclude
    K. Interested L. Fascinated M. identical N. skeptical O. audio
    For a while, biologist Arjan Boonman lived in Indonesia and spent much of his time traveling the country to make【C1】________recordings of bats.
    "There’s a lot of deforestation there, and lots of bats are【C2】________going to go extinct," says Boonman, now a postdoctoral researcher at Tel Aviv University in Israel.【C3】________by the bats, he decided to gather as much information as【C4】________about the various species in Indonesia, before they’re gone.
One day Boonman sat down on a bus next to a friendly man, who told him he’d heard a species【C5】________cave nectar bats making a clicking sound with their wings, perhaps using it to echolocate. Echolocation is the process whereby bats and other animals bounce sound off their surroundings to help them navigate, especially in the dark. Boonman was【C6】________.
    Bat biologists, including Boonman, pretty much all assumed that bats only echolocate【C7】________. by making sounds in their larynx. It was also generally thought that the vast majority of species in this family, known as Old World fruits bats, didn’t echolocate at all, says bat expert Nancy Simmons, the curator-in-charge at the department of mammalogy at New York’s American Museum of Natural History.
    Yovel convinced Boonman that it was a story worth looking into, and together they and a third scientist went to Thailand to record several different unrelated species of fruit bats (one of the better travel excuses out there). They found that several species of bats did【C8】________make clicking sounds with their wings, increasing the frequency of these clicks more than fivefold when they turned out the lights.
    This and other experiments led them to【C9】________that the bats use these wing clicks to find their way around, and the clicking appears to function as a primitive form of echolocation, says Simmons, who wasn’t involved in the study, which was【C10】________in the journal Current Biology.
【C5】
选项
答案A
解析 he’d heard a species________cave nectar bats，根据语法规则，应该填动词过去分词，根据含义应该选Called“给…命名；称呼；把…叫做”。
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