A:has been doing
B:had been doing
C:did
D:was doing
.If you want to join the art club,you can _______ Mr Zhou after class.
x
1
2
3
f(x)
g(x)
则g(1)的值为____;当gf(x)=2时,x=____.
如图,运行该程序后输出的s值为( )