1,In the United States,vacationers account for more than half of all visitors to what are technically called "pure aquariums"but fo fewer than one quater of all visitors to zoos,which usually include a "zoo aquarium"of relatively modest scope. Which of the following, if true,most helps to account for the difference described above between visitoes to zoos and visitors to pure aquariums? a)Incities that have both a zoo and a pure aquarium, local residents are twice as likely to visit the aquarium as they are to visit the zoo b)Virtually all large metropolitan areas have zoos,whereas only a few large metropolitan areas have pure aquariums. c)Pwople who visit a zoo in a given yeat are two times more likely to visit a pure aquarium that year than are people who do not visit a zoo. d)The zoo quauariums of zoos that are in the same city as a pure aquarium tend to be smaller than the aquariums of zoos that have no pure aquarium nearby. 答案选b,但是题意是什么意思呢?谢谢各位。。。 2,An advertisement designed to convince readers of the great durability of automobiles manufactured by the Deluxe Motor Car Company cities as evidence the fact that over half of all automobiles built by the company since 1970 are still on the road today, compared to no more than a third for any other manufacturer. Which of the following, if true,most helps to suport the advertisement's arguement? 答案是:The number of automobiles built by Deluxe each year has not increased sharply since 1970. 看不懂答案为什么会支持~ 谢谢各位指导~~
[此贴子已经被作者于2006-11-16 22:44:59编辑过] |