A. decrease B. liquid C. are used Phrases: A. The first relates to the treatment of wastes to【T7】______their pollution hazard B

admin2019-03-03  61

问题 A. decrease B. liquid C. are used
Phrases:
A. The first relates to the treatment of wastes to【T7】______their pollution hazard
B. Effluents from sewage disposal plants【T8】______in some areas
C. "prior to" disposal and the treatment of【T9】______wastes
    There are two ways by which the pollution problem can be dwindled.【T10】______This involves the processing of solid wastes【T11】______, or effluents, to permit the reuse of the water or minimize pollution upon final disposal.
    A second approach is to develop an economical use for all or a part of the wastes. Farm manure is spread in fields as a nutrient or organic supplement.【T12】______both for irrigation and for the nutrients contained.
【T8】

选项 A、 
B、 
C、 

答案C

解析 因为来自污水厂的Effluents(流出物)作主语,谓语要用are used被动形式。故选C。
转载请注明原文地址:https://kaotiyun.com/show/MOLi777K
0

最新回复(0)