第15题: [单项选择]对金-瓷修复材料的要求中错误的是()。 A. 由权威部门认定的符合口腔生物学材料基本要求的标准产品 B. 两种材料应具有适当的机械强度和硬度 C. 二者应各含1种以上的元素在高温熔融时实现化学结合 D. 烤瓷合金的熔点应大于瓷粉熔点50~100℃ E. 金属基底冠不能太薄 参考答案:D
第20题: [多项选择]下列期限中,哪些是申请人可以请求专利局延长的 A. 申请费的缴纳期限 B. 优先权副本的提交期限 C. 请求进行实质审查的期限 D. 答复审查意见通知书的期限 参考答案:D 答案解析:[解析] 指定期限的延长 [解析] 根据《专利审查指南2010》5-7-4.1“延长期限请求”、《专利审查指南2010》5-7-1.1“法定期限”以及《专利审查指南2010》5-7-1.2“
第29题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. To do whatever the committee asks him to. B. To make decision in agreement with the committee. C. To run the committee his way. D. To make himself the committee chairman. 参考答案:C 答案解析:[听力原文]
W: Was Robert elected to the committee
M: Yes. In fact he was made chairman. But he only a