权利人申请变更登记,应当自变更事实发生之日起( )日内提出申请,并提交房屋权属证书以及相关的证明文件。
A.10 B.15C.20 D.30
参考答案:D
设函数f(x)=2x+x-4,则方程f(x)=0一定存在根的区间为( )
A.(-1,1)
B.(0,1)
C.(1,2)
D.(2,3)
---I prefer spending much time solving the problem to consulting my teacher.
---That’s_______ I don’t agree. You should turn to your teacher for help if necessary.
A.when
B.where
C.what
D.how