皮皮学，免费搜题
登录
搜题
【多选题】
奉献社会就是要求从业人员在自己的工作岗位上树立奉献社会的职业精神,兢兢业业地为作贡献。A.
家庭生活
B.
社会
C.
他人
D.
自身
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】Dump sewage into oceans and rivers is a serious form of pollution.
A.
Having dumped sewage
B.
Being dumped sewage
C.
Dumped sewage
D.
Dumping sewage
【单选题】In sewage treatment, the term maceration refers to the process of ______.
A.
breaking up solid matter into fine particles
B.
precipitating non-decomposed waste in a collection tank
C.
chemically adjusting the sewage ph to 7.0
D.
eliminating bacterium coli from the sewage
【判断题】幻灯片主题是指PowerPoint 2016提供的颜色、字体和效果搭配的模板,应用这些主题模板,可以快速美化幻灯片的版式,使演示文稿中各幻灯片拥有统一的风格。
A.
正确
B.
错误
【单选题】____ are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
A.
anaerobic bacteria
B.
aerobic bacteria
C.
air bubbles
D.
disinfection chemicals
【简答题】The processing of sewage(污水) requires considerable amounts of electricity. Many sewage treatment plants in the U.S. have become self-sufficient by using the methane gas (沼气)given off by sewage.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
