2. 职称英语
  3. They had to examine the dead fish before they had a ______ answer as to what kil

They had to examine the dead fish before they had a ______ answer as to what kil

游客2025-04-04  33
问题 They had to examine the dead fish before they had a ______ answer as to what killed them.
选项 A、positive
B、possible
C、tentative
D、normal
答案 A
解析 positive a.确实的，明确的；积极的，肯定的；正的，阳性的(如：I gave you positive instructions．There is positive proof that he did it．Can you be positive of／about what you saw? She was positive she had seen it．)。 tentative a.试探(性)的，试验(性)的。normal a.正常的，平常的；正规的。
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