题目: 经世致用 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0303/153de7cf0a652e8da49a68aee6e42959.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:单项选择题 我国商标权的保护期限自核准注册之日起()年,但可以在期限届满前()个月内申请续展注册,每次续展注册有效期()年,续展次数不限。A.15,6,15B.20,3,20C.10,6,10D.5,3,5 查看答案
题型:单项选择题 The magician picked several persons ______ from the audience and asked them to help him with the performance.A.by accidentB.at randomC.on occasionD.on average 查看答案