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【单选题】
按客体的性质来划分,知识产权可以分为( )。A.
著作权和工业产权
B.
自主知识产权和非自主知识产权
C.
专有技术和非专有技术
D.
公有知识产权和非公有知识产权
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following is presented in the passages as evidence supporting the author's view of the ancient Greeks' descriptions of the Amazons?
A.
The requirement that Sauromatae women kill in battle before marrying.
B.
The failure of historians to verify that women were ever governors of ancient societies.
C.
The classing of Amazons as giants and centaurs.
D.
The well-established unreliability of Herodotus as a source of information about ancient societies.
【简答题】用水泥砂浆和水泥混合砂浆抹灰时,应待前一抹灰层凝结后方可抹后一层;用石灰砂浆抹灰时,应待前一抹灰层_______成干后方可抹后一层。