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【单选题】
在一组正态分布的数据中,去掉两端极值后,一定不会受到影响的统计值是
A.
全距
B.
平均值
C.
标准差
D.
众数
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【单选题】Which of the following is not mentioned as an effect of the dowry system?
A.
The husband had to share the power of decision in marriage.
B.
The husband was given control over his wife' s property.
C.
The wife gained a powerful economic position.
D.
The wife was protected from desertion.
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【简答题】After many years of hard work,Mary and her husband had at last paid ________all the money they had borrowed. A．for B．out C．in D．off
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【单选题】判断量感最佳捷径是记住量感等于()就好。
A.
成熟度
B.
暗沉度
C.
柔和度
D.
其余选项都不对
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【单选题】The results of previous research on the effects of calorie restriction are unconvincing because
A.
the subjects of the research were either of overweight or slightly underweight.
B.
calorie-restricted animals showed different physical signs in the research.
C.
the decrease in body temperature may result from changes of outside temperature.
D.
people cannot tell the benefits of losing weight from those of calorie restriction.
查看完整题目与答案
【单选题】Despite their lack of success so far, research scientists have ______ in their research for a cure for AIDS.
A.
maintained
B.
retained
C.
insisted
D.
persevered
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【单选题】The article made no ______ to previous research on the subject.
A.
researches
B.
entrances
C.
accesses
D.
references
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【单选题】已知函数 的导函数 的图象如图,则下列叙述正确的是 ( )
A.
函数 在 上单调递减
B.
函数 在x=-1 处取得极大值
C.
函数 在x=-4 处取得极值
D.
函数 只有一个极值点
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【简答题】A．Because she lived with her parents. B．Because her husband had had a nervous breakdown. C．Because she had less strain. D．Because she could speak French and German fluently.
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【单选题】已知定义在R上的函数f（x），其导函数f′（x）的大致图象如图所示，则下列叙述正确的是（　　）
A.
f（b）＞f（c）＞f（d）
B.
f（b）＞f（a）＞f（c）
C.
f（c）＞f（b）＞f（a）
D.
f（c）＞f（b）＞f（d）
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【单选题】已知定义在上的函数 ，其导函数 双图象如图所示，则下列叙述正确的是（）
A.
B.
C.
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相关题目：
【单选题】Which of the following is not mentioned as an effect of the dowry system?
A.
The husband had to share the power of decision in marriage.
B.
The husband was given control over his wife' s property.
C.
The wife gained a powerful economic position.
D.
The wife was protected from desertion.
查看完整题目与答案
【简答题】After many years of hard work,Mary and her husband had at last paid ________all the money they had borrowed. A．for B．out C．in D．off
查看完整题目与答案
【单选题】判断量感最佳捷径是记住量感等于()就好。
A.
成熟度
B.
暗沉度
C.
柔和度
D.
其余选项都不对
查看完整题目与答案
【单选题】The results of previous research on the effects of calorie restriction are unconvincing because
A.
the subjects of the research were either of overweight or slightly underweight.
B.
calorie-restricted animals showed different physical signs in the research.
C.
the decrease in body temperature may result from changes of outside temperature.
D.
people cannot tell the benefits of losing weight from those of calorie restriction.
查看完整题目与答案
【单选题】Despite their lack of success so far, research scientists have ______ in their research for a cure for AIDS.
A.
maintained
B.
retained
C.
insisted
D.
persevered
查看完整题目与答案
【单选题】The article made no ______ to previous research on the subject.
A.
researches
B.
entrances
C.
accesses
D.
references
查看完整题目与答案
【单选题】已知函数 的导函数 的图象如图,则下列叙述正确的是 ( )
A.
函数 在 上单调递减
B.
函数 在x=-1 处取得极大值
C.
函数 在x=-4 处取得极值
D.
函数 只有一个极值点
查看完整题目与答案
【简答题】A．Because she lived with her parents. B．Because her husband had had a nervous breakdown. C．Because she had less strain. D．Because she could speak French and German fluently.
查看完整题目与答案
【单选题】已知定义在R上的函数f（x），其导函数f′（x）的大致图象如图所示，则下列叙述正确的是（　　）
A.
f（b）＞f（c）＞f（d）
B.
f（b）＞f（a）＞f（c）
C.
f（c）＞f（b）＞f（a）
D.
f（c）＞f（b）＞f（d）
查看完整题目与答案
【单选题】已知定义在上的函数 ，其导函数 双图象如图所示，则下列叙述正确的是（）
A.
B.
C.
查看完整题目与答案