欢迎来到牛牛题库网 牛牛题库官网
logo
搜索

单项选择题

固定污染源烟气在线监测系统（CEMS）采样口应优先选择的位置是（　）。

A.水平管段的负压区域
B.垂直管段的负压区域
C.水平管段的正压区域
D.垂直管段的正压区域
点击查看答案&解析

相关考题

判断题
层流及低Pr数的介质，两种热边界条件下的差别不容忽视。
单项选择题
成长阶段新创企业最大的风险来自（）
A．管理风险
B．技术风险
C．市场风险
D．法律风险
单项选择题
Sometimes I feel that being the mother of three small children is like operating a large circus(马戏团).（21）afternoon last week, my three sons playing peacefully in the back yard(院子),（22）the ball from one to another. I jumped at the chance to talk to one of my friends（23）the phone, but before I（24）to the phone, I could tell the boys had begun to quarrel with each other about something. I rushed out to（25）peace, but before I got there Charles had（26）a rock at Mark, and hit him in the eye. By the time I got to the back yard, they had begun to（27）about this. Even David, the oldest boy, who won′ t usually fight with anybody about（28）, was involved(卷入,). First, I（29）them stop fighting, and then I examined Mark′ s eye. I decided that it wasn′t going to develop into a black eye, but I felt that they should（30）at least a little for（31）they had done "I′ m going to（32）to your father about this when he comes home for tomglat, said. "He and I will think of how to punish you. "Things were（33）quiet after that about half an hour, and then Charles（34）a glass in the kitchen, and at almost the same（35）, Mark fell out of the apple tree.
第（30）题选
A.suffer
B.punish
C.criticize
D.beat
微信小程序免费搜题

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1

微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题