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【单选题】
给出下列四个命题： ①若ξ～B（4，0.25），则Eξ=1 ②线性相关系数r的绝对值越接近于1，表明两个随机变量线性相关性越强； ③若a，b∈[0，1]，则不等式a 2 +b 2 ≤1成立的概率是 π 4 ； ④函数 y=lo g 2 ( x 2 -ax+2)在[2，+∞) 上恒为正，则实数a的取值范围是 (-∞， 5 2 ) ． 其中真命题个数是（　　）
A.
4
B.
3
C.
2
D.
1
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举一反三
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B.
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【单选题】( )6. Which of the following is True?
A.
The writer got rid of the training wheels earlier than her younger sister.
B.
The writer’s friends must make fun of her if she kept the training wheels on Bike Safety Day.
C.
The writer was proud when her father removed the training wheels.
D.
The writer decided to remove the training wheels before Bike Safety Day.
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【单选题】One reason why the writer was successful in her first business was that
A.
she was used to dealing with people.
B.
she was open with the staff.
C.
the business was already doing well when she started.
D.
the staff agreed with all her decisions.
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【判断题】1970年,李叔同在日本留学生中组织春柳社,并上演《茶花女》《黑奴吁天录》,开创了中国话剧的先河。
A.
正确
B.
错误
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【单选题】The writer was surprised that_________ ．A． the woman was sitting by her windowB． th
A.
12． The writer was surprised that _________ ． A． the woman was sitting by her window
B.
the woman's window was clean
C.
the woman did cleaning in the afternoon
D.
the woman's window was still terrible
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【单选题】中国古代十分讲究家风、家规,有的家规虽然对人的成长有一定的束缚,但是在今天依然有积极作用,这是因为( ) 21*cnjy*com
A.
好的家风能营造良好的家庭氛围,促进个人的成长进步
B.
家庭经济条件好,才能促进个人健康成长
C.
凡是古人流传下来的家风都是值得我们学习的
D.
家风好是因为家人的积极传承
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【简答题】李叔同《茶花女》
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【单选题】The father was not happy when the writer was going to Israel because_.
A.
it was not safe
B.
it was too far away
C.
he liked England
D.
he wanted the writer to go to England
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【单选题】Which of the following in NOT corret?
A.
The writer was not used to bargaining.
B.
People in Asia always bargain when buying things.
C.
Bargaining in Laos was quiet and peaceful.
D.
The writer was ready to bargain with the woman.
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相关题目：
【判断题】脉冲宽度调制是一种模拟控制方式。
A.
正确
B.
错误
查看完整题目与答案
【判断题】李叔同早年曾在日本成立春柳社,亲自出演 “茶花女”的角色。
A.
正确
B.
错误
查看完整题目与答案
【单选题】( )6. Which of the following is True?
A.
The writer got rid of the training wheels earlier than her younger sister.
B.
The writer’s friends must make fun of her if she kept the training wheels on Bike Safety Day.
C.
The writer was proud when her father removed the training wheels.
D.
The writer decided to remove the training wheels before Bike Safety Day.
查看完整题目与答案
【单选题】One reason why the writer was successful in her first business was that
A.
she was used to dealing with people.
B.
she was open with the staff.
C.
the business was already doing well when she started.
D.
the staff agreed with all her decisions.
查看完整题目与答案
【判断题】1970年,李叔同在日本留学生中组织春柳社,并上演《茶花女》《黑奴吁天录》,开创了中国话剧的先河。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The writer was surprised that_________ ．A． the woman was sitting by her windowB． th
A.
12． The writer was surprised that _________ ． A． the woman was sitting by her window
B.
the woman's window was clean
C.
the woman did cleaning in the afternoon
D.
the woman's window was still terrible
查看完整题目与答案
【单选题】中国古代十分讲究家风、家规,有的家规虽然对人的成长有一定的束缚,但是在今天依然有积极作用,这是因为( ) 21*cnjy*com
A.
好的家风能营造良好的家庭氛围,促进个人的成长进步
B.
家庭经济条件好,才能促进个人健康成长
C.
凡是古人流传下来的家风都是值得我们学习的
D.
家风好是因为家人的积极传承
查看完整题目与答案
【简答题】李叔同《茶花女》
查看完整题目与答案
【单选题】The father was not happy when the writer was going to Israel because_.
A.
it was not safe
B.
it was too far away
C.
he liked England
D.
he wanted the writer to go to England
查看完整题目与答案
【单选题】Which of the following in NOT corret?
A.
The writer was not used to bargaining.
B.
People in Asia always bargain when buying things.
C.
Bargaining in Laos was quiet and peaceful.
D.
The writer was ready to bargain with the woman.
查看完整题目与答案