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【判断题】
歌剧的诞生和发展是巴洛克音乐的主要亮点。A.
正确
B.
错误
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举一反三
【单选题】Which of the following does NOT represent a degree of competition in a private enterprise system?
A.
oligopoly
B.
socialism
C.
monopoly
D.
perfect competition
【单选题】The scheme is being _____ by private enterprise.
A.
carried
B.
designed
C.
cancelled
D.
financed
【单选题】设A 、B 为随机事件,且P(A)=0.8 ,P(B)=0.7 , P(A|B)=0.8 ,则下列结论正确的是( )
A.
A与B 相互独立
B.
A与B互斥
C.
A包含于B
D.
P(A B)=P(A)+P(B)
【单选题】有关病毒性肝炎的描述下列哪项是错误的（ ）。
A.
甲型肝炎多呈急性经过
B.
乙型肝炎可演变为慢性
C.
丁型肝炎一般不演变为慢性
D.
丙型肝炎易演变为慢性
E.
戊型肝炎多呈急性经过
【单选题】Which of the following is one of the elements required in private enterprise?
A.
adequate representation in the government
B.
freedom from foreign competition
C.
the opportunity for market leadership
D.
the right to ownership of property
E.
numerous regulatory agencies
【单选题】有关病毒性肝炎的描述下列哪项是错误的( )
A.
丙型肝炎易演变为慢性
B.
甲型肝炎多呈急性经过
C.
丁型肝炎一般不演变为慢性
D.
乙型肝炎可演变为慢性
E.
戊型肝炎多呈急性经过
【简答题】数据库管理系统是指什么?写出你知道的数据管理系统的名称。
【单选题】Which of the following statements best captures the notion of private enterprise?
A.
Small businesses will do better than big businesses in the long run.
B.
Individuals pursue their own interests with minimal government restriction.
C.
Businesses can do anything they want, free of legal restraints.
D.
Certain business activities remain "private."
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