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题库 / Prep2007E1-CR-61
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
我理解的"excessively restrictive control"是指control“过度局限”，就是说“过度局限”的control也许不会包括所有的有害物质。所以为了显示control并不局限，就要说明有害的物质都被包括进去了。
不知道这样理解对不对。同时觉得楼下的解释也合理。感觉精神错乱了。
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