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Since 1986 enrollments of African Americans, American Indians, and Hispanic Americans in full-time engineering programs in the United States(has steadily increased, while the number of other students who enter the field has fallen.) (A) has steadily increased, while the number of other students who enter the field has fallen (B) has steadily increased, while other students entering the field have declined in number. (C) increased steadily, while there was a decline in the number of other students entering the field (D) have steadily increased, while the number of other students entering the field has fallen (E) have steadily increased, while that of other students who enter the field fell 答案为c,请教e的错误?
Downzoning, zoning that typically results in the reduction of housing density, allows for more open space in areas where little water or services exist. (A) little water or services exist (B) little water or services exists (C) few services and little water exists (D) there is little water or services available (E) there are few services and little available water 答案为e,请教分析思路
[此贴子已经被作者于2004-1-31 21:03:28编辑过] |