11. According to a study by the Carnegie Foundation for the Advancement of Teaching, companies in the
(A) equivalent to the enrollment of
(B) the equivalent of those enrolled in
(C) equal to those who are enrolled in
(D) as many as the enrollment of
(E) as many as are enrolled in
18.American productivity is declining in relation to Europe's; the energy expended per unit of production in the
(A) as much as twice that expended in West Germany
(B) as much as twice that of West Germany's expenditure
(C) up to two times of West Germany's expenditure
(D) up to two times what West Germany expended
(E) up to double West German expenditure
希望各位能给予指导,谢谢!
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