1.Contrary to popular belief, victors in the ancient Greek Olympic Games received cash prizes in addition to their laurel wreaths. A.Contrary to B In contrast with C Opposite of D Unlike E In spite of 答案选A，不明白BC为什么不行
2.Several senior officials spoke to the press on condition that they not be named in the story. A that they not be named B that their names will not be used C that their names are not used D of not being named E they will not be named 答案选A
3.Because young children do not organize their attention or perceptions systematically, like adults, they may notice and remember details that their elders ignore. A like adults B unlike an adult C as adults D as adults do E as an adult 答案选D。A错在放在句中会引起歧义，是因为这个么？
4.Framed by traitorous colleagues, Alfred Dreyfus was imprisoned for twelve years before there was exoneration and his freedom. A there was exoneration and his freedom B he was to be exonerated with freedom C being exonerated and freed D exoneration and his freedom E being freed, having been exonerated 答案选C
5.At the time of the Mexican agrarian revolution , the most radical faction, that of Zapata and his followers, proposed a return to communal ownership of land, to what had been a pre-Columbian form of ownership respected by the Spaniards. A 略 B land, a form of ownership of the pre-Columbians and respected by the Spaniards C land, respected by the Spaniards and a pre-Columbian form of ownership D land in which a pre-Columbian form of ownership was respected by the Spaniards E land that had been a pre-Columbian form of ownership respected by the Spaniards 答案选A
6.Even though its per capita food supply hardly increased during two decades, stringent rationing and planned distribution have allowed the People's Republic of China to ensure nutritional level of 2000 calories per person per day for its population. A略 B Even though its per capita food supply has hardly increased in C Despite its per capita food supply hardly increasing over D Despite there being hardly any increase in its per capita food supply during E Although there is hardly any increase in per capita food supply for 答案选B。其实如果把two decades看作是大段时间的话，可以直接从选项中挑选出带有完成时态的B，但是除此之外呢？还有没有其他解释方法？
7.Tiny quantities of more than thirty rare gases, most of them industrial by-products, threaten to warm the earth's atmosphere even more rapidly than carbon dioxide during the next fifty years. A 略 B to warm the earth's atmosphere even more rapidly over the next fifty years than carbon dioxide will C during the next fifty years to warm the earth's atmosphere even more rapidly than carbon dioxide D a warming of the earth's atmosphere during the next fifty years even more rapid than carbon dioxide's E a warming of the earth's atmosphere even more rapid than carbon dioxide's will be over the next fifty years 答案选B。我也选B，但是后来发现over the next fifty years是状语，而more...than是固定搭配，这里把状语放在固定搭配中间没有问题吗？
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