皮皮学，免费搜题
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搜题
【单选题】
一个齿轮上的圆有 。A.
齿顶圆和齿根圆
B.
齿顶圆，分度圆，基圆和齿根圆
C.
齿顶圆，分度圆，基圆，节圆，齿根圆
D.
齿顶圆，节圆，齿根圆
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Alexandra consumes only caviar and champagne, but she does have a limited income of $400. Her current consumption choice is 5 ounces of caviar, at a price of $50 per ounce, and 6 bottles of champagne...
A.
her total utility will increase by 150 unit
B.
her total utility will decrease by 150 units
C.
her total utility will increase by 100 units
D.
her total utility will increase by 50 units
【简答题】分析队列研究资料时,可采用哪些率的指标?
【单选题】When Aunt Alexandra hosts a missionary group from church at her home, Scout
A.
helps serve refreshments
B.
wears a dress
C.
gains a new understanding of Aunt Alexandra
D.
All of the above
【单选题】资产负债表填列的依据是（ ）。
A.
总分类账各账户余额
B.
总分类账各账户本期发生额
C.
总分类账发生额和某些明细账的发生额
D.
总分类账各账户余额和某些明细账余额
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