（A）well below that of men in spite of educational differences that are diminishing
（B）much below that Of men's despite educational differences diminishing
（C）much below men in spite of diminishing educational differences
（D）well below those of men in spite of diminishing educational differences
（E）below men's despite their educational differences hat are diminishing
15.Acid rain and snow result from the chemical reactions between industrial emissions of sulfur dioxide and nitrogen oxides with atmospheric water vapor to produce highly corrosive sulfuric and nitric acids.
（A）with atmospheric water vapor to produce highly corrosive sulfuric and nitric acids
（B）with atmospheric water vapor producing h igh1y corrosive sulfuric and nitric acids
（C）and atmospheric water vapor which has produced highly corrosive sulfuric and nitric acids
（D）and atmospheric water vapor which have produced sulfuric and nitric acids which are highly corrosive
（E）and atmospheric water vapor to produce highly corrosive sulfuric and nitric acids
16. It is characteristic of the Metropolitan Museum of Art， as of virtually every great American museum the taste of local collectors has played at least as large a part in the formation of their collections as has the judgments of the art historian.
（A） of virtually every great American museum， the taste of local collectors has played at least as large a part in the formation of their collections as has
（B） of virtual1y every great American museum， that the taste of local collectors has played at 1east as large a part in the formation of their collections as has
（C） it is of virtually every great American museum，that the taste of local collectors has played at least as large a part in the formation of its collections as have
（D） it is of virtual1y every great American museum，that the taste of local collectors have played at least as large a part in the formation of its collections as have
（E） it is of vlrtual1y every great American museum，the taste of local collectors has played at least as large a part in the formation of its collections as has
参考答案：EDCDA BEDAB ECADE C
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试题17-47参考答案：BCDCD BEADA CCEAA CBADB EBCEA BEDBA C
17. There has been a 30-fold increase in the incidence of malaria caused by increasing mosquito resistance against pesticides.（A） increase in the incidence of malaria caused by increasing mosquito resistance against
（B） increase in the incidence of malaria because of increasing resistance of mosquitoe
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