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【判断题】
沉淀池由五个部分组成即：进水区、出水区、沉淀区、贮泥缓冲区。A.
正确
B.
错误
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【简答题】人的胰岛主要由哪四种细胞组成,其中谁分泌高血糖素;谁分泌胰岛素,后者的作用是
【单选题】He said he could swim across the river,__________.
A.
so could I
B.
either did I
C.
he said such
D.
such did he
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