主页
学科
搜索
账户
常见问题
当前学科:输气管道设计与管理
题目:
未知类型
如果管路中有分气,则分气点之前的流量上升,分气点之后的流量下下降,越靠近分气点变化幅度越大。()
A.错误
B.正确
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
区别子宫平滑肌瘤和平滑肌肉瘤的主要病理学依据是()
下列()是扑救精密仪器火灾的最佳选择。
可以在手指掌侧或两侧形成皮瓣用于指端缺损的修复()
Majored Finance An increase in students (11)to study economics at university is being attributed to (归因于)the global economic crisis awakening a public thirst for knowledge about how the(12)system works. Applications for degree courses beginning this autumn were up by 15% this January, according to UCAS, the Universities and Colleges Admissions Service. A(13)for the Royal Economic Society said applications to do economics at A-level were also up. Professor John Beath, the president of the society and a leading lecturer at St Andrews University, said his first-year lectures—which are open to students from all departments—were (14)crowds of 400, rather than the usual 250. "There are a large number of students who are not (15)majors, who would like to learn something about it. One of the things I have done this year is to relate my teaching to contemporary (16)in a way that one hasn't traditionally done," he added. University applications rose 7% last year. But there were rises above average in several subjects. Nursing saw a 15% jump, with people's renewed interest in (17)in the public sector (部门) ,which are seen as more secure in economic crisis. A recent study showed almost two thirds of parents (18)schools should do more to teach pupils about financial matters, and almost half said their children had asked them what was going on, although a (19)of parents felt they did not understand it themselves well enough to explain. Zack Hocking, the head of child trust funds, said: "It's possible that one good thing to(20)from the downturn will be a generation that's financially wiser and better equipped to manage their money through times of economic uncertainty." 19.()
使用超声波美容仪,整个面部护理时间最长不超过()分钟。
低钾血症的常见病因包括
互联网上网服务营业场所经营单位违反《互联网上网服务营业场所管理条例》规定,有下列()行为,情节严重的,责令停业整顿,直至吊销《网络文化经营许可证》。
表功能指令不包括()。
审计底稿归档期限为审计报告日后或审计报告中止日后的()。
为明确诊断,应立即做哪项检查() 在患儿的处理中,哪项不正确() 该患儿应考虑为何病()