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【多选题】
行×列表资料进行卡方检验的条件是A.
n大于等于40
B.
所有格子的T都大于等于5
C.
T大于等于1，小于5的格子数不能超过1/5
D.
有T小于1
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【单选题】Show Love by Knitting My mother knew how to knit, but she never taught me. She assumed, as did many women of her generation, that knitting was no longer a skill worth passing down from mother to daugh...
A.
The struggle of women for equal rights.
B.
The belief that it is good to buy and use a lot of goods.
C.
The plain feature of knitting.
D.
The introduction of domestic devices.
【单选题】Knitting My mother knew how to knit (编织), but she never taught me. She assumed, as did many women of her generation, that knitting was no longer a skill worth passing down from mother to daughter. A c...
A.
Because their mothers didn't teach them.
B.
Because they were influenced by feminism and consumerism.
C.
Because they were feminists.
D.
Because they were consumerists.
【简答题】蛋白质的二级结构是指多肽______的局部空间排列,不涉及氨基酸残基侧链的构象,其主要形式包括______。
【单选题】爱情是男女之间基于一定的社会基础和共同的( ),在各自内心形成的相互倾慕,并渴望对方成为自己终身伴侣的一种强烈、纯真、专一的感情。
A.
社会理想
B.
生活理想
C.
学习目标
D.
物质追求
【简答题】设ρ＝ρ(x)是抛物线 上任一点M(x，y)(x≥1)处的曲率半径，s＝s(x)是该抛物线上介于点A(1，1)与M之间的弧长，计算 的值．(在直角坐标系下曲率公式为 )
【单选题】Knitting My mother knew how to knit(编织), but she never taught me. She assumed, as did many women of her generation, that knitting was no longer a skill worth passing down from mother to daughter. A co...
A.
Because their mothers didn't teach them.
B.
Because they were feminists.
C.
Because they were influenced by feminism and consumerism.
D.
Because they were consumerists.
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