Which of the following best completes the passage below?
At a recent conference on environmental threats to the North Sea, most participating countries favored uniform controls on the quality of effluents, whether or not specific environmental damage could be attributed to a particular source of effluent. What must, of course, be shown, in order to avoid excessively restrictive controls, is that __________.
any uniform controls that are adopted are likely to be implemented without delay
any substance to be made subject to controls can actually cause environmental damage
the countries favoring uniform controls are those generating the largest quantities of effluents
all of any given pollutant that is to be controlled actually reaches the North Sea at present
environmental damage already inflicted on the North Sea is reversible
解题的点就是这句啊:avoid excessively restrictive controls. 感觉这道题就是有一点“过犹不及”的意思,怎么样做才能避免过度的限制呢?就是你必须保证你要控制的这些东西必须会引起污染,不然就是excessively restrict control了
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