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Scientists thousands of chemicals before they decided on the right one in the end.A. trie

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解决时间 2021-12-31 15:56
  • 提问者网友:捧腹剧
  • 2021-12-30 15:17
Scientists thousands of chemicals before they decided on the right one in the end.
A. tried out
B. found out
C. worked out
D. turned out
最佳答案
  • 五星知识达人网友:风格不统一
  • 2021-12-30 15:40
(答案→)A. tried outB. found outC. worked outD. turned out解析:这题是词组辨析:try out试验 find out查明work out制定出、锻炼 turn out结果是,A符合句意:科学家试验了成千上万的药品才做出正确的决定。
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  • 1楼网友:鱼忧
  • 2021-12-30 16:27
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