【单选题】Which of the following is TRUE according to the passage?
A.
When a patent becomes out of effect, it can be re-patented or extended if necessary.
B.
One can get all the details of a patented invention from a library attached to the patent office.
C.
A patent holder must publicize the details of his invention when its legal period is over.
D.
An inventor needs to apply for a patent before he makes his invention public.
【单选题】在一个会计期间发生的一切经济业务,都要依次经过的核算环节是( )。
【单选题】在一个会计期间发生的一切经济业务,都要依次经过的核算环节是( )。
【判断题】Withdrawal happens before the offer becomes effective while revocation happens after the offer becomes effective.
【单选题】在CNKI期刊全文数据库中用“张爱玲 小说”作为检索词进行检索,默认这两个检索词的关系为:
【单选题】甲公司 2017 年 1 月份生产产品领用原材料 2000 千克,计划单位成本为 1 元,实际单位成本为 1.2 元 ; 确认生产人员工资 5000 元,车间管理人员工资 1000 元。假定不考虑其他因素,应记入“生产成本”科目的金额为 ( ) 元。
【单选题】Just use this room for the time being, and we'll offer you a bigger one _______ it becomes available. [ ]
【单选题】Which of the following is TRUE according to the passage?
A.
When a patent becomes out of effect, it can be repatented or extended if necessary.
B.
It is necessary for an inventor to apply for a patent before he makes his invention public.
C.
A patent holder must publicize the details of his invention when its legal period is over.
D.
One can get all the details of a patented invention from a library attached to the patent office.
【单选题】Which of the following is true according to the passage?
A.
When a patent becomes out of effect, it can be re-patented or extended if necessary.
B.
It is necessary for an inventor to apply for a patent before he makes his invention public.
C.
A patent holder must publicize the details of his invention when its legal period is over.
D.
One can get all the details of a patented invention from a library attached to the patent office.