设函数f(u)连续,区域D=x,y)|x2+y2≤2y,则等于()。 A.A B.B

题型:单项选择题

问题:

设函数f(u)连续,区域D=x,y)|x2+y2≤2y,则等于()。

A.A

B.B

C.C

D.D

考点:注册土木工程师岩土工程基础知识基础知识
题型:单项选择题

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日本人はご飯を食べる前に(ごちそうさまでした)と言います。

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出版物包括图书、期刊、()等以及互联网出版物。

A、小册子

B、报纸

C、音像制品

D、贺卡

E、电子出版物

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商业银行办理抵押贷款时所确立的抵押率一般不超过抵押物品折现值()为宜。

A.70%

B.80%

C.90%

D.100%

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孕妇缺碘会影响胎儿大脑的发育,还会引起()。

A.早产

B.流产

C.胎儿畸形

D.糖尿病

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