58. Neither a rising standard of living nor balanced trade, by itself, establishes a country’s
ability to compete in the international marketplace. Both are required simultaneously since
standards of living can rise because of growing trade deficits and trade can be balanced by
means of a decline in a country’s standard of living.
If the facts stated in the passage above are true, a proper test of a country’s ability to be
competitive is its ability to
(A) balance its trade while its standard of living rises
(B) balance its trade while its standard of living falls
(C) increase trade deficits while its standard of living rises
(D) decrease trade deficits while its standard of living falls
(E) keep its standard of living constant while trade deficits rise.
这题的答案为A,请问C为何错，OG上的解释看不太懂。
29. The number of people diagnosed as having a certain intestinal disease has dropped
significantly in a rural county this year, as compared to last year. Health officials attribute this
decrease entirely to improved sanitary conditions at water-treatment plants, which made for
cleaner water this year and thus reduced the incidence of the disease.
Which of the following, if true, would most seriously weaken the health officials’ explanation for
the lower incidence of the disease?
A. Many new water-treatment plants have been built in the last five years in the rural county.
B. Bottled spring water has not been consumed in significantly different quantities by people
diagnosed as having the intestinal disease, as compared to people who did not contract
the disease.
C. Because of a new diagnostic technique, many people who until this year would have been
diagnosed as having the intestinal disease are now correctly diagnosed as suffering from
intestinal ulcers.
D. Because of medical advances this year, far fewer people who contract the intestinal
disease will develop severe cases of the disease.
E. The water in the rural county was brought up to the sanitary standards of the water in
neighboring counties ten years ago.
这题的答案为C,请问为何选它？
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发表于 2005-12-2 15:12:00
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