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【单选题】
下列关于酸雨说法错误的是( )A.
只要大气中酸性气体浓度较高，降水就一定会有很高的酸性，即产生酸雨
B.
大气中的碱性物质比如氨对酸雨的影响是很重要的。
C.
酸雨与大气中的酸性及碱性气体有关
D.
酸雨与大气颗粒物性质及天气形式也有关
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【单选题】Because of the severe and prolonged nature of the ___________, water must be carefully conserved and rationed.
A.
forecast
B.
reservoir
C.
supply
D.
drought
【简答题】 Translate the following paragraphs from English into Chinese. In a typical trap, gas accumulates on the top of the reservoir as a “gas cap” over the “oil layer”, which in turn overlies the water l...
【单选题】Soil quality is one of the most basic and perhaps least understood indicators of land health. Soil supports plant growth and represents the living reservoir that buffers the flows of water, nutrients,...
A.
Texture.
B.
Width.
C.
Depth.
D.
Structure.
【多选题】Because of reservoir ( ), the encroaching water does not sweep some portions of the reservoir effectively.
A.
heterogeneities
B.
discontinuities
C.
water influx
D.
faults
【单选题】Crops can be produced in desert only because ______.
A.
there is a lot of rain
B.
there is one reservoir
C.
the people work together for the benefit of all
D.
many wells have been found
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