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【单选题】
在有理数：0.01，10，﹣6.67，﹣ ，0，﹣（﹣3），﹣（﹣2） 2 ， ，﹣（﹣1） 2007 ， ﹣|﹣2.5|中，属于自然数的有 [     ]
A.
3个
B.
4个
C.
6个
D.
7个
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【简答题】Children’s Museum of Indianapolis We are the largest children’s museum in the world. Hours Monday: Closed (闭馆) Tuesday — Sunday, 10 a.m. — 5 p.m. Admission (门票费) Children (ages 2 — 17): $13.50 ...
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