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歡迎您訪問每日一練:每個分類單位中含有的下一個級別的分類單位數目!

每日一練:每個分類單位中含有的下一個級別的分類單位數目

更新時間:2024-01-13 22:26:24作者:貝語網校

每個分類單位中含有的下一個級別的分類單位數目

A.是一定的

B.是根據所記載的動物類群確定的

C.一定是兩個

D.一定是兩個以上

試題答案

B

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