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【单选题】
Most boys, and many girls too, have at some time or other started a stamp collection．Stamp-collecting, or, to call it【21】its correct name, philately,【22】an increasing popular hobby from as【23】as 1854 -- for less than two decades (十年) after postage stamps【24】．Today the hobby numbers【25】are not only boys and girls, but also men and women from all ranks (阶层) in society．So rapidly【26】the interest in stamp-collecting increase in the United States of America【27】in 1921 the United States Post Office found itself【28】set up a special department to【29】the needs of collectors．At present the yearly【30】of this department total over three hundred thousand dollars.
(41)
A.
by
B.
in
C.
for
D.
with
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题目标签：阶层
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Section BDirections: There are 2 passages in this section．Each passage is followed by some questions or unfinished statements．For each of them there are four choices marked A, B, C and D．You should de...
A.
Why People Marry
B.
Marriage Customs in India Are Changing
C.
Why Indians Read the Sunday Newspaper
D.
Living Abroad
【多选题】社会阶层的特点( )
A.
同一社会阶层内的人，其行为要比来自两个不同社会阶层的人的行为更加相似。
B.
人们以自己所处的社会阶层来判断各自在社会中占有的高地低地位。
C.
某人所处的社会阶层，并非由一个变量决定，而是受到职业、所得、财富、教育和价值观等多种变量的制约。
D.
一个人能够在一生中改变自己所处的阶层 , 既可以向高阶层迈进，也可以跌至低的阶层 , 但是，这种变化的变动程度，因某一社会的层次森严程度不同而不同。
【单选题】下列可以算出n 的阶层的是()
A.
reduce (lambda x,y: x*y, range (1, n ))
B.
reduce (lambda x,y: x+y, range (1,n +1))
C.
reduce (lambda x,y: x*y, range (1,n +1))
D.
reduce (lambda x,y: x+y, range (1,n ))