1.有一座吊桥，有船要通过的时候会升起来让船过去，因此会影响上面的车子的交通。 为了改善交通。政府计画建一座新的更高的吊桥。 问何者否定政府的计画，有以下两个答案都有人选： A) 大多数船的宽度大於桥墩之间的宽度 B) 换了更高的桥，更高的船也就往这个港口跑了 请问哪个才对? 2.Some species of Arctic birds are threatened by recent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorous species. Although snow geese are a popular quarry for hunters in the southern regions where they hunter, the hunting season ends if and when hunting has reduced the population by five percent, according to official estimates. Clearly, dropping this restriction would allow the other species to recover. Which of the following, if true, most seriously undermines the argument? 答案是 B. It has been many years since the restriction led to the hunting season for snow geese being closed earlier than the scheduled date. 我不懂为什麽? --

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