【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( )。
【判断题】Withdrawal happens before the offer becomes effective while revocation happens after the offer becomes effective.
【简答题】of 1351 kept wages down to the level before the inflation prompted by the .
【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.