2. 职称英语
  3. A. abuse B. appreciated C. attracted D. linked E. mixture F. union G. pe

A. abuse B. appreciated C. attracted D. linked E. mixture F. union G. pe

游客2024-09-05  53
问题     A. abuse B. appreciated C. attracted D. linked E. mixture
    F. union G. perceived H. set I. merge J. disappear
    K. measured L. acquired M. affect N. estimated O. offspring
    Alcohol may taste sweeter if you were exposed to it before birth, suggests a study in rats. The findings may shed new light on why human studies have previously【C1】______fetal(胎儿的)alcohol exposure to increased alcohol【C2】______ later in life, and to a lower age at which a person first starts drinking alcohol.
    Alcohol’s taste is a(n)【C3】______ of sweet and bitter components. To test whether prenatal(产前的 )alcohol exposure could【C4】______ the perception of these components, Steven Youngentob at the State University of New York in Syracuse and John Glendinning at Columbia University in New York【C5】______ how eagerly rats consumed alcohol, sweet water or bitter water.
    They found that young rats whose mothers had consumed alcohol during pregnancy preferred alcohol and consumed more of the bitter water than the【C6】______ of mothers that didn’t consume alcohol. Rats that had been exposed to alcohol before birth also seemed to be more【C7】______ to the smell of alcohol.
    Prenatal exposure seems to reduce the【C8】______ bitterness of alcohol, making it seem sweeter, says Youngentob. Both of these differences seemed to【C9】______ once the rats reached adulthood— but only if they hadn’t tasted alcohol during their youth. If prenatally exposed rats did consume alcohol in their youth, these preferences seemed to become【C10】______ for life.
    "The take-home message is to keep kids away from alcohol for as long as possible—particularly if they have had prenatal exposure," says Youngentob. [br] 【C10】
选项
答案 H
解析 空格前的系动词become提示空格处应填入形容词作表语。文章最后一段建议“尽量让孩子远离酒精——尤其是出生前就接触过酒精的孩子”。由此可推断，出生前就接触过酒精的老鼠在幼年时喝过酒，其对酒的偏好会保持下去，词库中的set“固定的”代入后表示“这种对酒精的偏好便会固定下来，影响其一生”，符合逻辑。
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