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回答题。 Relationship between Morals and Architecture There is a closer relationship between morals and architecture and interior decoration 51 we suspect. Huxley has pointed out that Western ladies did not take frequent baths 52 they were afraid to see their own naked bodies, and this moral concept delayed the 53 of the modern white-enameled bathtub for centuries. One can understand 54 in the design of old Chinese furniture there was so little consideration for human 55 only when we realize the Confucian atmosphere in which people moved about. Chinese redwood furniture was designed for people to sit 56 in, because that was the only posture approved by society. Even Chinese emperors had to sit on a ( n ) 57 on which I would not think of 58 for more than five minutes, and for that matter the English kings were just as badly off. Cleopatra went about 59 on a couch carried by servants, because 60 she had never heard of Confucius. If Confucius should have seen her doing that, he would certainly have struck her shins with a stick, as he did 61 one of his old disciples, Yuan Jiang, when the latter was found sitting in an 62 posture. In the Confucian society in which we lived, gentlemen and ladies had to 63 themselves perfectly erect, at least on formal 64 , and any sign of putting one&39;s leg up would be at once considered a sign of vulgarity and lack of 65 材料题请点击右侧查看材料问题 查看材料
A.
for
B.
than
C.
as
D.
that
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【多选题】分段函数当x0,y=x+1,试判断当 ,y的极限下列说法正确的是
A.
左极限为-1
B.
右极限为1
C.
极限为1
D.
极限不存在
【单选题】当(x,y)→(0,0)时, f(x,y)=(xy^2)/(x^2+y^4) 沿 x=y^2 的极限为
A.
k/(1+k^2)
B.
1/2
C.
1/16
D.
1/3
【单选题】The wording of the lease is so clear-cut that no one could possibly _______ its meaning.
A.
interpret
B.
disrupt
C.
misinterpret
D.
erupt
【单选题】当 x→∞,y→∞ 时, 函数 (x+y)/(x^2+y^2) 的极限值为
A.
1
B.
0
C.
2
D.
3
E.
4
【单选题】测度数据离散程度的指标中,最易受极端值影响的是( )。
A.
极差
B.
四分位差
C.
标准差
D.
变异系数
【单选题】下列关于方差和标准差的说法中正确的是( )。 A 在教育科研中,标准差越小越好 B 某一考题的方差较大,则这一道题的鉴别力较好 C 用样本数据推断总体差异量时,方差和标准差是最好的估计量,因为它们不易受两极端数值的影响。 D 方差和标准差在避免两极端数值的影响方面大大超过四分位距,在考虑到全部离差方面,要优于全距
A.
在教育科研中,标准差越小越好
B.
某一考题的方差较大,则这一道题的鉴别力较好
C.
用样本数据推断总体差异量时,方差和标准差是最好的估计量。
D.
方差和标准差在避免两极端数值的影响方面大大超过四分位距,在考虑到全部离差方面,要优于全距
【单选题】关于函数 当(x,y)趋于(0,0)时的极限,错误的是( )
A.
P(x,y)沿着直线y=x趋于(0,0)时,函数极限为1/2
B.
P(x,y)沿着直线y=-x趋于(0,0)时,函数极限为-1/2
C.
P(x,y)沿着直线y=0趋于(0,0)时,函数极限为0
D.
P(x,y)沿着直线 趋于(0,0)时,函数极限为1
【单选题】当(x,y) (0,0)时, 的极限为()。
A.
不存在
B.
0
C.
1
D.
-1
【单选题】当 x→0,y→0 时, 函数 (x^2+y^2)sin(1/x) 的极限值为
A.
0
B.
1
C.
2
D.
3
E.
4
【单选题】当 x→0,y→1 时, 函数 (1-xy)/(x^2+y^2) 的极限值为
A.
e
B.
1
C.
2
D.
4
E.
3
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