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请问大全-5-19，大全-5-20
19. Recent estimates predict that between 1982 and 1995 the greatest increase in the number of people employed will be in the category of low-paying service occupations. This category, however, will not increase its share of total employment, whereas the category of high-paying service occupations will increase its share.
If the estimates above are accurate, which of the following conclusions can be drawn?
(A) In 1982 more people were working in low-paying service occupations than were working in high-paying service occupations.
(B) In 1995 more people will be working in high-paying service occupations than will be working in low-paying service occupations.
(C) Nonservice occupations will account for the same share of total employment in 1995 as in 1982.
(D) Many of the people who were working in low-paying service occupations in 1982 will be working in high-paying service occupations by 1995.
(E) The rate of growth for low-paying service occupations will be greater than the overall rate of employment growth between 1982 and 1995.
答案为A。为什么B 不对呢？虽然说low-paying 增长，但是还是high-paying 的high-paying 上升快。那么应该说明是B的情况：high-paying 有more people 把？ A的 情况为什么 对呢 ？B错在哪呢？
20. For a local government to outlaw all strikes by its workers is a costly mistake, because all its labor disputes must then be settled by binding arbitration, without any negotiated public-sector labor settlements guiding the arbitrators. Strikes should be outlawed only for categories of public-sector workers for whose services no acceptable substitute exists.
The statements above best support which of the following conclusions?
(A) Where public-service workers are permitted to strike, contract negotiations with those workers are typically settled without a strike.
(B) Where strikes by all categories of pubic-sector workers are outlawed, no acceptable substitutes for the services provided by any of those workers are available.
(C) Binding arbitration tends to be more advantageous for public-service workers where it is the only available means of settling labor disputes with such workers.
(D) Most categories of public-sector workers have no counterparts in the private sector.
(E) A strike by workers in a local government is unlikely to be settled without help from an arbitrator.
答案C。题目的逻辑关系没有能看出来，请教NN具体的思路？
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发表于 2003-12-3 22:06:00
