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【多选题】
在计算扇形的面积的过程中用到了下列哪些步骤( )A.
选择积分变量
B.
求面积
C.
对面积求极限
D.
对面积求定积分
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反馈参考答案：
举一反三
【单选题】按照权责发生制的要求,下列各项中应作为本期收入的是
A.
收到上月产品销售收入存入银行
B.
预收下月产品销售收入存入银行
C.
本月产品销售收入存入银行
D.
上月利息收入存入银行
【单选题】David Landes, author of The Wealth and Poverty of Nations: Why Some Are So Rich and Some So Poor, credits the world's economics and social progress over the last thousand years to 'Western civilizatio...
A.
they lack work ethic.
B.
they lack rationality.
C.
they are scientifically backward.
D.
they are victimized by colonists.
【单选题】David Landes, author of The Wealth and Poverty of Nations: Why Some Are So Rich and Some So Poor, credits the world's economic and social progress over the last thousand years to' Western civilization...
A.
they lack work ethic
B.
they are scientifically backward
C.
they lack rationality
D.
they are victimized by colonists
【单选题】David Landes, author of The Wealth and Poverty of Nations: Why Some Are So Rich and Some So Poor, credits the world’s economic and social progress over the last thousand years to' Western civilization...
A.
they lack work ethic.
B.
they are scientifically backward.
C.
they lack rationality
D.
they are victimized by colonists.
【单选题】David Landes, author of The Wealth and Poverty of Nations: Why Some Are So Rich and Some So Poor, credits the world's economics and social progress over the last thousand years to 'Western civilizatio...
A.
they tack work ethic.
B.
they lack rationality.
C.
they are scientifically backward.
D.
they are victimized by colonists.
【单选题】David Landes, author of The Wealth and Poverty of Nations: Why Some Are So Rich and Some So Poor, credits the world's economic and social progress over the last thousand years to 'Western civilization...
A.
they lack work ethic
B.
they are scientifically backward
C.
they lack rationality
D.
they are victimized by colonists
【简答题】Some Americans try to make themselves feel less guilty by attributing the poverty of the working people to ______.
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