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【单选题】
自由基均相溶液聚合中，溶剂的Cs值越大，所得聚合物的分子量是（）A.
大
B.
小
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【简答题】In the extremely hot and dry environment, creatures are imagined to have ______ to minimize loss of water and conserve it.
【简答题】Using hot, dry air from outside to ______ a subterranean colony would dehydrate it.
【简答题】It is hot and dry.The flowers need to water. A B C D ____________
【简答题】采用针描法测量表面粗糙度时,此测量方法适用于测量幅度参数 ________ 值(写出符号)。
【简答题】A．Mild and breezy. B．Hot and dry. C．Warm and humid. D．Hot and humid.
【单选题】How is the summer here generally?
A.
Hot and rainy.
B.
Hot and dry.
C.
Cool and rainy.