Dinner is arranged at 8 pm and drinks will be ______ in the bar from about 7 pm.
Dinner is arranged at 8 pm and drinks will be ______ in the bar from about 7 pm.
(2)、$A,B,C$至少两个发生 A: ${(ABC)}\cup{(\bar{A}BC)}\cup{(A\bar{B}C)}\cup{(AB\bar{C})}$ B: ${(\bar{A}BC)}\cup{(A\bar{B}C)}\cup{(AB\bar{C})}$ C: ${A}\cup{B}\cup{C}$ D: ${(\bar{A}\bar{B}\bar{C})}\cup{(\bar{A}B\bar{C})}\cup{(\bar{A}\bar{B}C)}\cup{(A\bar{B}\bar{C})}$
(2)、$A,B,C$至少两个发生 A: ${(ABC)}\cup{(\bar{A}BC)}\cup{(A\bar{B}C)}\cup{(AB\bar{C})}$ B: ${(\bar{A}BC)}\cup{(A\bar{B}C)}\cup{(AB\bar{C})}$ C: ${A}\cup{B}\cup{C}$ D: ${(\bar{A}\bar{B}\bar{C})}\cup{(\bar{A}B\bar{C})}\cup{(\bar{A}\bar{B}C)}\cup{(A\bar{B}\bar{C})}$
中国大学MOOC: Dinner is arranged at 8 pm and drinks will be ______ in the bar from about 7 pm.
中国大学MOOC: Dinner is arranged at 8 pm and drinks will be ______ in the bar from about 7 pm.
表达式(short)(7/9.2*5)值的类型是()。 A: short B: int C: double D: float
表达式(short)(7/9.2*5)值的类型是()。 A: short B: int C: double D: float
设$P(A)=a$,$P(B)=0.3$,$P(\bar A\cup B)=0.7$, 若随机事件$A$与$B$相互独立,则$a=$( ) A: 1/7 B: 2/7 C: 3/7 D: 4/7
设$P(A)=a$,$P(B)=0.3$,$P(\bar A\cup B)=0.7$, 若随机事件$A$与$B$相互独立,则$a=$( ) A: 1/7 B: 2/7 C: 3/7 D: 4/7
There are different kinds of bar, you can see main bar, __________,(酒廊) grand bar, __________, (茶室)service bar, banquet bar, __________(主题酒吧), and gentle bar.
There are different kinds of bar, you can see main bar, __________,(酒廊) grand bar, __________, (茶室)service bar, banquet bar, __________(主题酒吧), and gentle bar.
题目包含多个选项,但学生只能选择一个答案。<br/>设A,B,C表示三个随机事件,请问下列事件应如何用A,B,C表示<br/>(2)、$A,B,C$至少两个发生 A: ${(ABC)}\cup{(\bar{A}BC)}\cup{(A\bar{B}C)}\cup{(AB\bar{C})}$ B: ${(\bar{A}BC)}\cup{(A\bar{B}C)}\cup{(AB\bar{C})}$ C: ${A}\cup{B}\cup{C}$ D: ${(\bar{A}\bar{B}\bar{C})}\cup{(\bar{A}B\bar{C})}\cup{(\bar{A}\bar{B}C)}\cup{(A\bar{B}\bar{C})}$
题目包含多个选项,但学生只能选择一个答案。<br/>设A,B,C表示三个随机事件,请问下列事件应如何用A,B,C表示<br/>(2)、$A,B,C$至少两个发生 A: ${(ABC)}\cup{(\bar{A}BC)}\cup{(A\bar{B}C)}\cup{(AB\bar{C})}$ B: ${(\bar{A}BC)}\cup{(A\bar{B}C)}\cup{(AB\bar{C})}$ C: ${A}\cup{B}\cup{C}$ D: ${(\bar{A}\bar{B}\bar{C})}\cup{(\bar{A}B\bar{C})}\cup{(\bar{A}\bar{B}C)}\cup{(A\bar{B}\bar{C})}$
JFrame对象(窗框)添加菜单条对象bar,用那个方法? A: add(bar) B: setJMenuBar(bar); C: setBar(bar); D: addJMenuBar(bar);
JFrame对象(窗框)添加菜单条对象bar,用那个方法? A: add(bar) B: setJMenuBar(bar); C: setBar(bar); D: addJMenuBar(bar);
2012年政府工作报告中指出,2011年我国国内生产总值47.2万亿元,比上年增长()。 A: 7% B: 9.2% C: 15%
2012年政府工作报告中指出,2011年我国国内生产总值47.2万亿元,比上年增长()。 A: 7% B: 9.2% C: 15%
测定食品总酸含量时,滴定终点pH值为()。 A: 7 B: 8.2 C: 9.2 D: 4
测定食品总酸含量时,滴定终点pH值为()。 A: 7 B: 8.2 C: 9.2 D: 4