函数f(x)=lnx+2x-6的零点所在区间为[ ]
A、(1,2)
B、(2,3)
C、(3,4)
D、(4,5)
答案:B
---- Mom , I was the first to reach the top of the mountain .
--- Good job, Jack! I 'm ______ of you.
A.careful.
B.proud.
C. tired
D.afraid.
某建材超市允许个人购买建材时分12个月付清款项,这种做法对应的信用形式为______。
A.银行信用 B.消费信用C.间接信用 D.国家信用