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【判断题】
独立同分布的随机变量序列的样本均值必依概率收敛到它们的总体均值.
A.
正确
B.
错误
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【单选题】How did the passengers react to the demand of the terrorists? A) The Muslim passengers obeyed the terrorists. B) The Muslim passengers refused and tried to hide the Christians. C) The Christian passen...
A.
The Muslim passengers obeyed the terrorists.
B.
The Muslim passengers refused and tried to hide the Christians.
C.
The Christian passengers begged the terrorists not to kill them.
D.
The Christian passengers called the police.
【单选题】The travel information is intended for
A.
all passengers on board the plane.
B.
passengers who want to visit the center of Sydney.
C.
passengers who visit Sydney for the first time.
D.
all crew on board the plane.
【多选题】According to the passage, what are the other special passengers?
A.
elderly passengers
B.
elderly passengers, passengers with infant(s) or child (children)
C.
passengers requiring special meals
D.
intoxicated passengers
E.
intoxicated passengers, stretcher passengers
F.
prisoners
【单选题】How did the passengers react to the demand of the terrorists?
A.
The Muslim passengers obeyed the terrorists.
B.
The Muslim passengers refused and tried to hide the Christians.
C.
The Christian passengers begged the terrorists not to kill them.
D.
The Christian passengers called the police.
【单选题】下列 8 种机械零件:涡轮的叶片,飞机的螺旋桨,往复式内燃机的曲轴,拖拉机 发动机的气门弹簧,起重机的起重吊钩,火车车轮,自行车的链条,纺织机的纱锭。其中有 ( )种 是专用零件。
A.
3
B.
4
C.
5
D.
6
【单选题】Who is not allowed on the train?
A.
Passengers who are late.
B.
Passengers with excess luggage.
C.
Passengers without reservations.
D.
Passengers who don't pay by check.
【单选题】下列 8 种机械零件:涡轮的叶片,飞机的螺旋桨,往复式内燃机的曲轴,拖拉机发动机的气门弹簧,起重机的起重吊钩,火车车轮,自行车的链条,纺织机的纱锭。其中有()是专用零件
A.
3 种
B.
4 种
C.
5 种
D.
6 种
【单选题】下列8种机械零件:涡轮的叶片、飞机的螺旋桨、往复式内燃机的曲轴、拖拉机发动机的气门弹簧、起重机的起重吊钩、火车车轮、自行车的链条、纺织机的纺锭。其中有( )种是通用零件。
A.
2
B.
6
C.
4
D.
5
【单选题】下列8种机械零件:涡轮的叶片、飞机的螺旋桨、往复式内燃机的曲轴、拖拉机发动机的气门弹簧、起重机的起重吊钩、火车车轮、自行车的链条、纺织机的纺锭。其中有( )种是专用零件。
A.
8
B.
6
C.
4
D.
2
【单选题】下列8种机械零件:涡轮的叶片、飞机的螺旋桨、往复式内燃机的曲轴、拖拉机发动机的气门弹簧、起重机的起重吊钩、火车车轮、自行车的链条、纺织机的纺锭。其中有( )种是专用零件。
A.
3
B.
6
C.
5
D.
4
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