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49. (27096-!-item-!-188;#058&003405)
Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture to 1950. (A) Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture (B) Since 1990 the growth of the global economy has been more than that during 10,000 years, from when agriculture began
(A) Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture (B) Since 1990 the growth of the global economy has been more than that during 10,000 years, from when agriculture began (C) The growth of the global economy since 1990 exceeds that which had been for 10,000 years from the beginning of agriculture (D) The growth of the global economy since 1990 exceeds what it has been for 10,000 years, from when agriculture began (E) The growth of the global economy since 1990 exceeds what it did for the 10,000 years from the beginning of agriculture
答案A，请问这里为什么不用has呢？比较从句不是保留助动词省略动词吗？
prep SC 101
101. Defying efforts by policymakers on both sides of the Atlantic at restraining it, the United States dollar, continuing its rise, reaching its highest level in six years against the German mark. A. at restraining it, the United States dollar, continuing its rise, reaching B. at restraining it, the rise of the United States dollar continued to reach C. at restraining it, the United States dollar continued rising, and it reached D. to restrain it, the United States dollar continued its rise, reaching E. to restrain it, the United States dollar is continuing its rise, and to reach
答案选D 句子主干
Defying efforts by … to restrain it, the United States dollar continued its rise, reaching its highest level ... against the German mark. dollar 与 defying efforts 搭配如何解释？
谢谢！
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发表于 2007-9-19 22:46:00
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