皮皮学，免费搜题
登录
搜题
【简答题】
A molecule is another tiny particle of matter which is made up of a combination of atoms .A molecule of water ,for example ,consists of two atoms of hydrogen and one of oxygen; a molecule of ordinary table salt is composed of one atom of sodium and one of chlorine.
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】Why do people always change their
jobs in modern society?A. because they want to earn more money B. because they want to go back to school C. because they want to move to another city D. They want to ...
【简答题】环境监测的对象有哪几种?
【单选题】在AUTOCHIEF一IV型主机遥控系统中,遥控系统的参数设定只能在( )进行。
A.
驾驶台AC一4单元操作面板上
B.
驾驶台车钟单元操作面板上
C.
集控室AC一4单元操作面板上
D.
集控室车钟单元操作面板上
【简答题】按环境监测的对象划分,环境监测的内容有哪些?
【简答题】环境监测的对象有哪五种?
【单选题】AUTOCHIEF—IV主机遥控系统中,如驾控三次起动失败,故障排除后夏位过程是 1在驾驶台将车钟手柄回零2在集控室AUTOCHIEF- IV控制面板按下
A.
SETSTARTBLOCK按钮③集控室将车钟手柄回零
B.
①或②都可以
C.
①
D.
③
E.
①②③皆可
【简答题】Why do people always change their jobs in modern society?
相关题目：
参考解析：
知识点：
题目纠错 0
发布
