皮皮学，免费搜题
登录
搜题
【单选题】
迷惘;困惑;不知所措A.
make sense
B.
out of curiosity
C.
get lost / feel lost / be lost
D.
become attracted to sth. / be attracted to sth.
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】培养基的组成物质中,根据其作用的不同,除水作为溶剂外的其他物质可分为( )、( )、( )、( )四类。
【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．
【多选题】Among those which is input VAT deductible? ( )
A.
supply of electricity
B.
supply of water
C.
processing of goods on consignment
D.
supply of natural gas
【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
相关题目：
参考解析：
知识点：
题目纠错 0
发布
