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
Scientists thousands of chemicals before they decided on the right one in the end.A. trie
答案:2 悬赏:80 手机版
解决时间 2021-12-31 15:56
- 提问者网友：捧腹剧
- 2021-12-30 15:17
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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