问题
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7/3,21/5,49/8,131/13,337/21,() A.885/34;B.88
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1, 2, 3, 8, 21,46, ()。A.70 B.87 C.90 D.100
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2,7,8,14,21,34,54,() A.87B.97C.56 D.65
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1, 2, 3,8, 21,46, ()。A.70 B.87 C.90 D.100
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下列IP地址中()是C类地址。A.127.233.13.34B.152.87.209.51C.169.196.30.54D. 202.96.209.21
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甘氨酸的解离常数是pK1=2.34,pK2=9.60,它的等电点(pI)是()A、7.26B、5.97C、7.14D、8.25