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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举一反三的答案和解析：

[单选题]下下面对第一自然段中有关说明方法的判断及作用的分析，完全正确的一项是

用举例子的方法说明“克隆”能让高附加值的牲畜有效地繁殖。

[单选题]_________________

with

[单选题]I really like _____ book you lent me yesterday.

the

[单选题]18．

the more

[单选题]下面对文学常识和名著内容的说法有误的一项是（ ）。（3分）

《杨修之死》节选自罗贯中的《三国演义》。《三国演义》是我国第一部长篇讽刺小说，描写了魏、蜀、吴三国的历史故事。

[单选题]Water is the __46___ of all the things we eat and drink . Not many people understand this but __47____ quite true . The human body can go without ___48___ for a long time . We’ve got many examples for this . Yet two __49___ three days without water can usually make people __50____ . Man can’t live __51____ water .Many people don’t understand how ___52__ water the human body needs __53___ work well , and many people , especially young people , do not drink enough , ___54__ in very hot weather . Our body has mostly water , about 65% to 75% . That is to say about two thirds of our body is water . When we do sports , some of the water will get away from our body . __55 _ we don’t drink some water , we won’t have enough water． And if we don’t have enough water , we’ll feel tired and many of us will get ill . So you know how important water is to us .

most important

[单选题]12．

takes

解析：12.C【解析】构成句型：It takes+time+for sb. /sth. to do sth.意为：做某事花费某人／物多少时间．