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(本小题满分12分） 甲乙两个学校高三年级分别有1100人，1000人，为了了解两个学校全体高三年级学生在该地区二模考试的数学成绩情况，采用分层抽样方法从两个学校一共抽取了 105名学生的数学成绩，并作出了如下的频数分布统计表，规定考试成绩在[120，150]内为优秀，甲校： ： (I )计算x，y的值; (II)由以上统计数据填写右面2X2列联表，若按是否优秀来判断，是否有97.5% 的把握认为两个学校的数学成绩有差异. (III)根据抽样结果分别估计甲校和的优秀率；若把频率作为概率，现从学生中3人，求优秀学生人数 的分布列和数学期望; 附：
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【单选题】茉莉花茶艺“回味”被喻为是（）。
A.
尘心洗尽兴难尽
B.
临风一啜心自省
C.
众人之醉我可清
D.
茶味人生细品悟
查看完整题目与答案
【简答题】Exercise has long been recommended to ______.
查看完整题目与答案
【单选题】The common practice “brainstorming” is used to ______.
A.
ask as many questions as possible
B.
discuss or evaluate the value of each question
C.
provide more opportunities to attend meetings
D.
get the most ideas about a problem
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【单选题】--- Why don't you try to do exercise to lose weight? --- I have tried everything but it has made little ______.
A.
effect
B.
result
C.
difference
D.
conclusion
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【单选题】-- Why don't you try to do exercise to lose weight? -- I have tried everything but it has made little _____. [     ]
A.
use
B.
result
C.
conclusion
D.
difference
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【简答题】茉莉花茶艺“回味”被喻为是( )。
查看完整题目与答案
【单选题】茉莉花茶艺“回味”被喻为是()。
A.
众人之醉我可清
B.
活甘清香细品尝
C.
茶味人生细品悟
D.
草木英华信有神
查看完整题目与答案
【单选题】---- Why don’t you try to do exercise to lose weight? ---- I have tried everything but it has made no _____________.
A.
use
B.
result
C.
conclusion
D.
difference
查看完整题目与答案
【单选题】下列证据中不属于外部证据的是( )。
A.
银行对账单
B.
应收账款函证回函
C.
保险单
D.
管理当局声明书
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【单选题】At expiration, the exercise value of a call option is
A.
the underlying asset price minus the exercise price
B.
the greater of zero or the exercise price minus the underlying asset price.
C.
the greater of zero or the underlying asset price minus the exercise price.
查看完整题目与答案
相关题目：
【单选题】茉莉花茶艺“回味”被喻为是（）。
A.
尘心洗尽兴难尽
B.
临风一啜心自省
C.
众人之醉我可清
D.
茶味人生细品悟
查看完整题目与答案
【简答题】Exercise has long been recommended to ______.
查看完整题目与答案
【单选题】The common practice “brainstorming” is used to ______.
A.
ask as many questions as possible
B.
discuss or evaluate the value of each question
C.
provide more opportunities to attend meetings
D.
get the most ideas about a problem
查看完整题目与答案
【单选题】--- Why don't you try to do exercise to lose weight? --- I have tried everything but it has made little ______.
A.
effect
B.
result
C.
difference
D.
conclusion
查看完整题目与答案
【单选题】-- Why don't you try to do exercise to lose weight? -- I have tried everything but it has made little _____. [     ]
A.
use
B.
result
C.
conclusion
D.
difference
查看完整题目与答案
【简答题】茉莉花茶艺“回味”被喻为是( )。
查看完整题目与答案
【单选题】茉莉花茶艺“回味”被喻为是()。
A.
众人之醉我可清
B.
活甘清香细品尝
C.
茶味人生细品悟
D.
草木英华信有神
查看完整题目与答案
【单选题】---- Why don’t you try to do exercise to lose weight? ---- I have tried everything but it has made no _____________.
A.
use
B.
result
C.
conclusion
D.
difference
查看完整题目与答案
【单选题】下列证据中不属于外部证据的是( )。
A.
银行对账单
B.
应收账款函证回函
C.
保险单
D.
管理当局声明书
查看完整题目与答案
【单选题】At expiration, the exercise value of a call option is
A.
the underlying asset price minus the exercise price
B.
the greater of zero or the exercise price minus the underlying asset price.
C.
the greater of zero or the underlying asset price minus the exercise price.
查看完整题目与答案
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