歌舞娱乐场所(),无须向原发证机关申请重新核发娱乐经营许可证。
A.改建、扩建营业场所
B.变更场地、投资人员
C.变更歌曲点播系统
D.变更核定人数
参考答案:C
If Newton lived today, he would be surprise by what()in science and technology.
A. had discovered
B. had been discovered
C. has discovered
D. has been discovered
由初步E-R图构成基本E-R图,其主要任务是()。