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【多选题】
in what way did William establish the feudal system?A.
Allot the territory to the lords and knights
B.
Set up the centralization of authority
C.
Set up circuit court to judge the case
D.
Set up the doomsday book for taxation
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举一反三
【单选题】二元函数 ．的定义域是xOy平面上的区域( )．
A.
x 2 +y 2 ≤1，y 2 ≤4x；
B.
x 2 +y 2 ＜1，y 2 ≤4x，x 2 +y 2 ≠0；
C.
x 2 +y 2 ＜1，y 2 ＜4x；
D.
x 2 +y 2 ≤1，y 2 ＜4x，x 2 +y 2 ≠0．
【单选题】Among those which is not taxable in VAT? ( )
A.
good sales
B.
service provided by the employee to employer
C.
importation of goods
D.
service supplies with compensation
【单选题】函数 y= 2 x 2 x 2 +1 的导数是（ ）
A.
y ′ = y ′ = 4x( x 2 +1)-4 x 2 ( x 2 +1) 2
B.
y ′ = 4x( x 2 +1)-4 x 3 ( x 2 +1) 2
C.
y ′ = 4x( x 2 +1)+4 x 3 ( x 2 +1) 2
D.
y ′ = 4x( x 2 +1)-4 x ( x 2 +1) 2
【多选题】Among those which is input VAT non-deductible? ( )
A.
transportation services provided to passengers
B.
transportation services along with purchased goods which are destroyed due to poor management
C.
purchased goods which are destroyed due to poor management
D.
purchased goods which are destroyed due to natural disaster
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