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【单选题】
肾的结构
A.
肾实质的浅层为皮质,深层为髓质
B.
皮质表面有腹膜覆盖
C.
髓质由肾柱和肾锥体构成
D.
肾锥体尖端朝向肾
E.
肾髓质富含血管
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A.
Because they like the taste of tar.
B.
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C.
Because smoking is fun to them.
D.
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A.
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错误
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A.
Because they like the taste of tar.
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D.
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A.
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B.
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C.
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D.
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E.
1100
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A.
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C.
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C.
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D.
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