皮皮学，免费搜题
登录
搜题
【单选题】
When bilge water is heated in a holding tank, which one of the following statements is not accurate?A.
the relative high temperature facilitates primary gravity separation
B.
most of the oil and organic solvents are raised to the top layer
C.
the relative higher the temperature is, the more the top oil will be collected
D.
the normal high temperature has little use on the separation of emulsified oil
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
【单选题】William replaced ______, the council of the Anglo-Saxon kings, with ______.
A.
the Witan, the Grand Council
B.
the Grand Council, Parliament
C.
the Witan, Parliament
D.
the Grand Council, the Witan
【单选题】Youth Council of Arlington The Youth Council of Arlington is an association dedicated to improving the lives of young people through education in leadership skills, personal growth, and economic indep...
A.
To raise money for school trips
B.
To help local youth lead productive lives
C.
To renovate the community center
D.
To provide training in accounting practices
【简答题】The council meeting terminate at 2 o'clock
【单选题】关于超声波液位计下列说法不正确的是（）。
A.
超声波流量计由换能器和转换器两部分组成
B.
封闭管道用超声波流量计按测量原理主要有传播时间法和多普勒效应法
C.
可作非接触测量
D.
超声波流量计可以将其传感器安装在管道外部，不和介质接触，不需要开孔，只要将换能器安装在管道表面即可
【多选题】下列关于多普勒效应的说法,正确的是( )。
A.
医院检查身体的“B超”仪运用了多普勒效应原理。
B.
不仅机械波，电磁波和光波也会发生多普勒效应。
C.
由地球上接受到遥远天体发出的光波发生“红移”现象（各条谱线的波长均变长），可以判断遥远天体正靠近地球。
D.
静止的观察者听到某个单一频率声源发出的声音频率越来越高，说明声源正在远离观察者。
【单选题】The WT O’s top level decision-making body is the Ministerial Conference . Below this is the General Council . At t he next level, the Goods Council, Services Council and Intellectual Property (TRIPS) ...
A.
the Trade Policy Review Body
B.
the Dispute Settlement Body
C.
th e General Council
D.
the Committee on Martet Access
相关题目：
参考解析：
知识点：
题目纠错 0
发布
