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【简答题】
听下面一段材料,回答第1-2题. 1. What made the man worried? A. Losing his car. B. The wheels of his car being gone. C. His car being stolen. 2. How did that happen? A. He left his car outside. B. Someone had broken into his garage. C. He forgot to lock his garage.
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皮皮学刷刷变学霸
举一反三
【单选题】某一企业在注册了“玉兰”商标之后，又先后注册了“金玉兰”、“银玉兰”、“白玉兰”等商标，这些商标属于()。
A.
联合商标
B.
集体商标
C.
证明商标
D.
防御商标