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搜题
【单选题】
( )一种具有较高的科技,知识含量的高品位的旅游形式。
A.
商务旅游
B.
会展旅游
C.
乡村旅游
D.
工业旅游
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A.
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B.
阴道毛滴虫
C.
蓝氏贾第鞭毛虫
D.
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A.
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C.
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E.
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A.
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B.
有核细胞
C.
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E.
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【单选题】AutoCAD复制(左手键命令)为: 。
A.
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B.
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C.
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