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【多选题】
工业产权包括()
A.
著作权
B.
商标权
C.
专利权
D.
邻接权
E.
工业品外观设计
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皮皮学刷刷变学霸
举一反三
【判断题】心脏起搏器应归入第85章。A. 错误 B. 正确
A.
正确
B.
错误
【单选题】()是凭医师和助理医师处方才可以购买、调配和使用的药品。
A.
处方药
B.
非处方药
C.
红色OTC
D.
绿色OTC
E.
保健食品
【单选题】只显示当前目录下文本文件1.txt第15行至文件末尾的命令是( )
A.
tail -15 1.txt
B.
head 15 1.txt
C.
tail +15 1.txt
【简答题】以同志为核心的党的第一代领导集体提出了( )总路线,创造性地完成了由( )革命向( )革命的转变,使中国进入了( )社会。
【单选题】Which of the following is a difference between panel and pooled cross-sectional data?
A.
A panel data set consists of data on different cross-sectional units over a given period of time while a pooled data set consists of data on the same cross-sectional units over a given period of time.
B.
A panel data set consists of data on the same cross-sectional units over a given period of time while a pooled data set consists of data on different cross-sectional units over a given period of time
C.
A panel data consists of data on a single variable measured at a given point in time while a pooled data set consists of data on the same cross-sectional units over a given period of time .
D.
A panel data set consists of data on a single variable measured at a given point in time while a pooled data set consists of data on more than one variable at a given point in time.
【单选题】环境中的不良因素会影响胚胎的正常发育,影响器官的分化和致畸,特别在孕( )周时,最为敏感。
A.
1-3
B.
2-5
C.
3-6
D.
6-8
E.
10-12
【单选题】听力原文:M: Excuse me, madam. I'm a stranger here and I'm running low on gas, but I can't seem to find a service station anywhere around here. Could you be kind enough to direct me to the nearest one? W: ...
A.
He needs a gas station.
B.
He lost his way home.
C.
He wants to go to the hospital.
D.
He lost the letter to be posted.
【多选题】成本按经济用途可以分为( )。
A.
酌量性固定成本
B.
制造成本
C.
约束性变动成本
D.
非制造成本
【单选题】听力原文:M: Excuse me, madam. I'm a stranger here and I'm running low on gas, but I can't seem to find a service station anywhere around here. Could you be kind enough to direct me to the nearest one? W: ...
A.
He needs a gas station.
B.
He lost his way home.
C.
He wants to go to the hospital.
D.
He lost the letter to be posted.
【简答题】横断面调查(cross—sectional in—regressiOn method)
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