单选题：Which of the following best expresses the writer's attitude

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题目内容：
Which of the following best expresses the writer's attitude towards early day care? A．Children under three should stay with their parent
B．Early day care has positive effects on children's developmen
C．The issue is controversial and its settlement calls for the use of statistic
D．The effects of early day care on children are exaggerated and parents should ignore the issu
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矢量叠合主要有（　　）。

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Advanced countries of low population density may well have

Advanced countries of low population density may well haveA．epidemic B．arable la

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在城市给水工程规划和进行水量预测时，一般采用下列（　　）组城市用水分类。 ①工业企业用水；②生产用水；③居民生活用水；④生活用水；⑤公共建筑用水；⑥市政用地；⑦

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People 15 percent underweight suffer more from.

People 15 percent underweight suffer more from.

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Her knowledge of the subject is extensive.

Her knowledge of the subject is extensive.A．massive B．negative C．responsive D．ex

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