1. In several cities, the government is going ahead with ambitious construction projects despite the high office-vacancy rates in those cities. The vacant office, though available for leasing, unfortunately do not meet the requirements for the facilities needed, such as court houses ans laboratories. The govenment, therefore, is not guilty of any fiscal wastefulness.
Which of following is an assumption on which the argument above depends?
a. Adaptation of vacant office space to meet the government's requirements, if possible, would not make leasing such office space a more cost-effective alternative to new construction.
e. Before embarking on any major construction project, the government is required by law to establish beyond any reasonable doubt that there are no alternatives that are more cost-effective.
答案是A, 为什么E不对?
2. An advertisement designed to convince readers of the great durability og 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 truem most strongly supports the adverusement;s argument?
答案是The number of automobiles built by Deluxe each year has not increased sharply since 1970. 请解释为什么.
3. In the US, vacationers account for more than half of all visitors to what are technically called "pure aquariums" but , for fewer than one quarter og all vistors 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 vistors to zoos and vistors tro pure aquariums?
a. In cities 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 area have pure aquariums.
d. people who visit a zoo in a given year are two times more likely to visit a pure aquarium that year than are are people who do not visit a zoo.
