皮皮学，免费搜题
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搜题
【单选题】
在交叉配血试验中,不能检测出不完全抗体(IgG)的试验是A.
盐水介质交叉配血试验
B.
酶介质交叉配血试验
C.
抗人球蛋白介质交叉配血试验
D.
胺介质交叉配血试验
E.
凝胶免疫技术交叉配血试验
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】_____ are established through patents, copyrights, and trademarks.
A.
Digital signatures
B.
Ownership rights over private property
C.
Origination fees and tributes
D.
Ownership rights over intellectual property
【多选题】Which of the following statements is true about patents and copyrights?
A.
They have benefits and costs.
B.
They lead to higher prices.
C.
They enhance the ability of monopolists to earn above-average profits.
D.
They lead to lower prices.
【简答题】机床部件中,能够直接影响到被加工零件轮廓形状的运动,统称为 运动。该运动由 和 组成。
【判断题】Patents, copyrights, and trademarks establish ownership rights over intellectual property.
A.
正确
B.
错误
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