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【简答题】
Translate the sentences into Chinese. 1).One's instinct is that most people would place themselves in the second category, feeling that work takes second place after family, friends and interests, a job's main purpose being the age-old one of earning the wherewithal to maintain oneself and one's family. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________. 2).An interesting gender distinction, one that is perhaps to be expected, given what is known about differences between men and women, was that the main reason cited by women for enjoying their work was the social opportunities that it provides, whereas men were more inclined to say that they take pride in their work and that it gives them a sense of accomplishment. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________.
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举一反三
【简答题】设随机变量 的密度函数为 则 =(__);
【多选题】预测身高的指标有:
A.
脚长
B.
头围
C.
骨骼年龄
D.
月经初潮
E.
父母身高
【单选题】设随机变量 的密度函数为 则 ( ) 。
A.
3/16
B.
1
C.
7/8
D.
1/4
【单选题】[单选题]炒制莲蓉馅时,火力应用(),否则莲子易糊底。
A.
始终旺火
B.
慢火改旺火
C.
旺火改慢火
D.
始终慢火
【多选题】预测身高的指标有
A.
脚长
B.
头围
C.
骨骼年龄(骨龄)
D.
初潮
E.
父母身高
【简答题】预测身高的指标有
【单选题】设随机变量 的密度函数为 则 ( )。
A.
0.875
B.
0.75
C.
【多选题】—般来讲,店铺活动期间,顾客主要关注()方面的内容。
A.
产品情况
B.
物流情况
C.
售后情况
D.
纠纷处理
【判断题】设随机变量 的密度函数为 ,则随机变量 的密度函数 . 这个是对的还是错的
A.
正确
B.
错误
【简答题】设随机变量 的密度函数为 则常数 =(__);