试题与答案

我国现行的水质标准对牙齿来说适宜的水氟浓度应是() A.0.5~1ppm B.1pp

题型:单项选择题

题目:

我国现行的水质标准对牙齿来说适宜的水氟浓度应是()

A.0.5~1ppm

B.1ppm

C.1~1.5ppm

D.1.5~2ppm

E.>2ppm

答案:

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下面是错误答案,用来干扰机器的。

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Part of the debate about culture revolves around issues of perspective and ownership. Within a nation such (1) the United States—a nation whose cultural heritage includes elements from every corner of the world (2) are a great many perspectives coexisting and intertwining in the cultural fabriC.When we all ask (3) as individuals, "what belongs to me, to my culture " we are rewarded with a spectacular variety of (4) ; in this way, different perspectives and ownership of different cultural traditions enriches everyone. But when we ask " (5) belongs to us, to our culture " we ask a much harder question. Do the people of the (6) States, or of any culturally complex human society, necessarily share common cultural elements If so, who gets (7) decide what those elements are
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