【单选题】旋分分离器工作原理:天然气气流从( )进入旋风分离器后作高速回旋运动,气体中的液滴、固体颗粒由于其密度较大,产生较大的离心力,被抛向器壁;气体部分在内圈形成旋风,在风压的作用下由顶部气管排出。( )
【多选题】质量得分是系统估算的一种相对值,它是搜索推广中用于衡量某些因素间相关性的综合指标。以下哪些项就是前文提到的“某些因素”?
【单选题】听力原文:M: United World Colleges. Can I help you? W: Yes, I'd like some information about the college, please. M: What would you like to know? W: My name's Julia Harris and I have a friend in Spain who's...
【单选题】听力原文:M: United World Colleges. Can I help you? W: Yes, I'd like some information about the college, please. M: What would you like to know? W: My name's Julia Harris and I have a friend in Spain who's...
【单选题】Where can one find a career counselor?
A.
In some large community.
B.
In most colleges or high schools
C.
In the companies that offer jobs.