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标题: [求助] [打印本页]

作者: juni_wu 时间: 2009-1-4 07:55
标题: [求助]

120. In Europe, schoolchildren devote time during each school day to calisthenics. North American schools rarely offer a daily calisthenics program. Tests prove that North America children are weaker, slower, and shorter-winded than European children. We must conclude that North American children can be made physically fit only if they participate in school calisthenics on a daily basis.

Which one of the following is assumed in the passage?

(A) All children can be made physically fit by daily calisthenics.

(B) All children can be made equally physically fit by daily calisthenics.

(D) School calisthenics are an in indispensable factor in European children’s

(E) North American children can learn to eat a more nutritious diet as well as to exercise daily.

答案：D

请教为什么的D?

[此贴子已经被作者于2009-1-4 7:55:55编辑过]

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