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【多选题】
下面名称违反系统命名原则的是( )A.
3-丁烯
B.
3,4二甲基4-戊烯
C.
2-甲基-3丙基-2-戊烯
D.
反-3,4二甲基3已烯
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皮皮学刷刷变学霸
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【单选题】The function of the conclusion section of a review article is usually a summary of what has been reviewed, with a focus on:
A.
Future research perspectives
B.
The reviewed details
C.
The review purpose
【简答题】听力 1. What’ s wrong with the red sweater? A. It has a tear. B. It is much too formal. C. It has been lent to Julia. 2. What will the man do next? A. Fetch the sewing basket. B. Say sorry to the woman....
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