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9. GWD28-Q9: Early in the twentieth century, Lake Konfa became very polluted. Recently fish populations have recovered as release of industrial pollutants has declined and the lake’s waters have become cleaner. Fears are now being voiced that the planned construction of an oil pipeline across the lake’s bottom might revive pollution and cause the fish population to decline again. However, a technology for preventing leaks is being installed. Therefore, provided this technology is effective, those fears are groundless. 结论:只要技术是有效的,(建油管污染环境)的那些忧虑就是无理由的。 The argument depends on assuming which of the following? A. Apart from development related to the pipeline, there will be no new industrial development around the lake that will create renewed pollution in its waters. 取非,会导致湖水继续受污染,但与结论技术无关,只讲明油管是唯一污染源。 B. !Other than the possibility of a leak, there is no realistic pollution threat posed to the lake by the pipeline’s construction. 排除他因,defense。排除有其他物质影响油管结构。 C. There is no reason to believe that the leak渗漏-preventing technology would be ineffective when installed in the pipeline in Lake Konfa. 技术有效,重复原文条件,原文已经讲有效。 D. Damage to the lake’s fish populations would be the only harm that a leak of oil from the pipeline would cause. E. The species of fish that are present in Lake Konfa now are the same as those that were in the lake before it was affected by pollution. |
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