51,49,87,13,45,55,63,( )

51,49,87,13,45,55,63,( )

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请在43处填写答案。(  )

请在43处填写答案。(  )

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The underlined pronoun "it" in the final paragraph refers to

The underlined pronoun "it" in the final paragraph refers to .(  )

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Which of the following statements is TRUE ac.cording to the

Which of the following statements is TRUE ac.cording to the passage?(  )

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张某的一种产品和一项方法专利被授予专利权,下列哪些情形行为人不承担赔偿责任?( )

张某的一种产品和一项方法专利被授予专利权,下列哪些情形行为人不承担赔偿责任?( )

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