水中加糖，一会儿水变甜，这一现象说明分子一直处在永不停息的_1中；水与酒精混合，总体积会变小，是因为_2；固体、液体很难被压缩，是因为分子间存在着_3力。

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水中加糖，一会儿水变甜，这一现象说明分子一直处在永不停息的____ 中；水与酒精混合，总体积会变小，是因为____ ；固体、液体很难被压缩，是因为分子间存在着____ 力。

上一题下一题 0.0难度选择题更新时间:2018-10-05 05:10:12

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无规则运动,分子间有间隙,斥力

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My friend Tony is an American 1 . He is ten years old. He lives 2 his family in China now. There are 3 people in his family; his mother Mrs. Green, his father Mr. Green and his little sister Amy. He has a white cat. 4 name is Betty. Look！Amy is playing 5 Betty. His father, Mr. Green, is watching TV. His mother is doing housework. What about Tony? He is doing 6 Chinese homework. He can't 7 Chinese well, but he likes Chinese very much. Tony's 8 works in a TV station. His father works in a school as an 9 teacher. Tony and his sister 10 to the same school.

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