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【单选题】
下列关于集合小管系的描述，哪项是错误的？（）A.
由弓形集合小管、皮质集合小管和乳头管组成
B.
弓形集合小管位于皮质迷路
C.
皮质集合小管仅位于髓放线和髓质
D.
乳头管上柱状
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举一反三
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【单选题】The word “teachers” contains three morphemes, but the word “shortenings” has ______morphemes.
A.
two
B.
three
C.
four
D.
five
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A.
0
B.
1
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D.
12
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A.
采取了从低级到高级的国家资本主义的过渡
B.
对企业的改造和对人的改造相结合
C.
用和平赎买的方式进行
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没收官僚资本和民族资本
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A.
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C.
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