WOS平台核心合集数据库检索中，下列检索结果最少的是： A: ti="wastewater treat" B: ti="wastewater treat*" C: ti=wastewater treat D: su=wastewater treat

WOS平台核心合集数据库检索中，下列检索结果最少的是： A: su=wastewater treat B: ti="wastewater treat" C: ti="wastewater treat*" D: ti=wastewater treat

在SCI E数据库中检索废水中苯酚的降解研究，最佳检索式为： A: ts=(("waste water" or wastewater) and degradat*) B: ts=(("waste water" or wastewater) and phenol and degradat* and stud*) C: ts=(("waste water" or wastewater) and phenol and degradat*) D: ts=(phenol and degradat*)

Why we shouldn't release wastewater into the environment? A: It contains suspended solids and chemicals that affect the environment. B: because it is dirty.

2017年百威英博（营口）啤酒有限公司世界水日主题（） A: 水与就业 B: 水与能源 C: “Wastewater”（废水）

Which of the following components of a wastewater treatment plant is designed to facilitate the decomposition of organic material by aerobic microorganisms? A: bar screen B: grit settling tank C: activated sludge tank D: chlorination E: ultra violet light array

关于ISIWebofKnowledge的检索技术，说法正确的是：（） A: 逻辑运算符为SAME，NOT，AND，OR B: 通配符包括：*，？，$ C: 词组必须置于双引号中，如“wastewater” D: 有跨库检索功能

Which of the following measures cannot help to save water? A: Prevent wastewater from being poured into the rivers. B: Promote water recycling systems. C: Use less washing machines. D: Let people fully aware of the importance of saving water.

The term "grey water" is used to describe A: runoff from agricultural fields B: wastewater containing human waste C: effluent water from households or business activities D: rainwater that is collected and used in households E: potable water used for household activities