皮皮学，免费搜题
登录
搜题
【单选题】
下列现象或事实，用分子和原子的知识解释不正确的是（ ）A.
加热氧化汞生成汞和氧气--在化学变化中分子可分成原子，原子重新组合
B.
加在高处的金属电线夏季变得比冬季长--原子的体积随温度的变化而改变
C.
湿的衣服晾在太阳晒着的地方干得更快--温度升高，分子运动加快
D.
把50mL水和50mL酒精混合后，总体积小于100mL--分子之间有间隔
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】螺旋传动主要由 、 和 组成。
【判断题】Many English compound words contain morphemes derived from French and German.
A.
正确
B.
错误
【单选题】When the world was a simpler place, the rich were fat, the poor were thin, and right-thinking people worried about how to feed the hungry. Now, in much of the world, the rich are thin, the poor are fa...
A.
bring up some warnings.
B.
tell the reader some new facts.
C.
discuss a solution to a problem.
D.
persuade the reader to keep fit.
【简答题】Many compound words contain morphemes derived from _________ or _________.
【简答题】The exact number of English words is not known. The large dictionaries have over half a million ___1___ , but many of these are compound words (schoolroom, sugar bowl) or different derivatives of the ...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
