2. 外语
  3. At the same time, the _______ causes for known declines and disappearances of species often involves experimentation, data analy

At the same time, the _______ causes for known declines and disappearances of species often involves experimentation, data analy

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问题 At the same time, the _______ causes for known declines and disappearances of species often involves experimentation, data analysis, and scientific detective work.
选项 A、identifying
B、pondering
C、nourishing
D、simplifying
答案A
解析 动词辨义。identify意为“认出(身份，物件等)，证明”，如：The porters may be identified by their red caps．(从他们戴的红帽子就可辨认出他们是行李搬运工。)ponder意为“沉思，考虑”，如：He and the council had already pondered the list of members returned to the parliament．(他和委员会已经认真地考虑过了重返国会的人员名单。)nourish意为“滋养，喂养”，如：nourishing food(滋补食物)；simplify意为“简化，使简单”，如：The English in this story has been simplified to make it easier to understand．(这个故事里的英语被简写了，以更容易理解。)根据题意，应选A)。
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大学英语六级

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