已知f(x+1)=x2+2x-1,则f(x)的解析式为
本题考查抽象函数的解析式及换元法
令,则,则
所以
----Is there any possibility of the film _____in Paris International Festival?
----Not in the least, because the audience generally think little of it.
A.being tried out
B.tried out
C.trying out
D.to try out
参与竣工检查及审核竣工文件属于业主方的( )任务。
A.投资控制
B.质量控制
C.进度控制
D.合同控制