听力原文:M: Harry seems to be in a bad mood today. W: He'll snap out of it when he finishes his biology project this afternoon: Q: What does the woman imply about Harry? (16)
A.
He has finished his biology project.
B.
He'll feel happier when the project is completed.
C.
He's annoyed with everyone.
D.
He took a nap in biology class.
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皮皮学刷刷变学霸
举一反三
【简答题】间接碘量法对植物油中碘价进行测定时,指示剂淀粉溶液应A. 滴定开始前加入 B. C. D. 滴定终点加入 B. 滴定一半时加入 C. 滴定近终点时加入 D. 滴定终点加入