正确答案: A

”热冰”是纯净物

题目：在一定环境中，常温常压下的水可以瞬间结成冰，俗称”热冰”。下列说法正确的是【】

解析：A

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举一反三的答案和解析：

[单选题]下列句子中标点符号的作用分析错误的一项是（ ）

这样的“聪明人”还是少一点好。（引号表示着重指出的部分）

[单选题]Generation gap（代沟） has become a serious problem in our society．l read a (11) about it in the morning newspaper． It is said that some children even want to kill themselves after hav-ing quarrels(争吵) with their (12) ．1 think this is because parents and children don't often (13) each other． Parents now spend more and more time in the office，(14) they don't have much time to stay with their children． As time goes by，they both feel that they don't have the (15) topic to talk about．T0 (16) this problem，parents should spend more time being with their children，getting to know them and (17) them As for children，you should show your (18) to your parents and let them (19) your thoughts．Parents are the people who love you best． They (20) un-derstand you as long as(只要) you tell them． But the point is that you should try your best to understand them，too．

report

解析：11．C【解析】report“报告”，符合文意．

[单选题]___________

table