题目

如图灯泡造型的温度计是测量气温的,其管内的液体是酒精。 (1) 图中温度计的示数为℃。 (2) 若气温升高,温度计管内酒精液面会上升,此过程中管内酒精的质量大小变化是。 (3) 温度计管内酒精受热膨胀,若从微观角度解释,其原因是。 答案:【1】20 【1】不变 【1】分子之间的空隙变大 短文改错 假定英语课上老师要求同桌之间交换修改作文,请你修改你同旧式写的一下作文.文中共有10处语言错误,每句中最多有两处.错误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:把多余的词作斜线(\)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,多者(从第11处起)不计分. Dear Robert,   Thank for your letter of May 12th.How glad I was when I get it.I'd be very happy to be your pen friends.Now allow me introduce myself to you.I'm a boy student aging seventeen, study in Senior Three of Hongqi High School.I'm a monitor of my class.I am about to take National Matriculation Entrance Examination after twenty days, that is, between June 7 and 8.You know.I want very much to be a doctor working for poor peasants that I try to make fully use of every hour and study far into the night every day. Best wishes! Yours truly
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