正确答案: B

将蔗糖溶于水

题目：下列操作能将物质完全分散成分子的是

解析：B

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学习资料的答案和解析：

[单选题]Sunday was going to be the birthday for me and my other two classmates． As we were born in the (21) month，we decided to have a big party to (22) it．On that evening，we invited all of our classmates． We prepared a lot of food and drinks．After singing the birthday song，we (23) the delicious cake together． We sang more songs and played games． Then someone told funny stories，and (24) laughed． Three hours flew by quickly．Because we had to (25) before 11:00，we ended our party at 10:00． Before we left，our classmates gave' (26 )0f us a birthday card with their best wishes． ( 27) we took some pictures together． What a great time we had! At that moment，l felt love，happiness and friend- ship．

same

解析：21．C【解析】由文章开头的第一句话可推知：我们出生于同一个月。