题目

下表列出了几种晶体的熔点，下列说法中错误的是( )A. 在－268 ℃时，氢是固态B. 白炽灯的灯丝用钨制成，不容易熔化C. 纯金掉入钢水中不会熔化D. 水银温度计在－40 ℃时不能使用 答案：【答案】C【解析】A. 由表格知，氢的熔点为为-259 ℃，而－268 ℃低于熔点，所以氢是固态，故A正确；B. 由表格知，钨的熔点为3410℃，此温度很高，所以白炽灯的灯丝用钨制成，不容易熔化，故B正确；C. 由表格知，金的熔点低于钢的熔点，钢水中的温度一定等于或高于钢的熔点，所以纯金掉入高于自身假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加:在缺词处加一个漏字符号(^)，并在其下面写出该加的词。删除:把多余的词用斜线(\)划掉。修改:在错的词下划一横线，并在该词下面写出修改后的词。注意:1．每处错误及其修改均仅限一词;2．只允许修改10处Recently I have read an article in a magazine. It was about the mother who was worried about her son just because of he always kept his hair long. The mother thought that was not right, but the son felt there was nothing unusually about it. Different generations have different opinion on the same thing. That is what is meaning by "the generation gap". We can see them in our daily lives. Most of our parents like listening to old songs when young people prefer pop songs. Every time my father finds me listen to rock music, he always shouted, "Shut it off. It's awful!" How can we deal the generation gap?