单项选择题8.…and the other that would like to get rid of everything, even the monument that was erected at the point of impact. A、jerk B、construct C、ruin D、erode
多项选择题我国国家专利包括哪些类型？（ ） A、发明专利 B、实用新型专利 C、外观设计专利 D、植物性专利
