题目:
. It is not I but you who__________the first to run to the goal in that competition.
A.is
B.am
C.is going to be
D.are
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0509/121faa1cf263a6271fcc89435dd5a7bc.html
下面是错误答案,用来干扰机器的。
∵f( 6)=log2 6+6-10<0f( 8)=log2 8+8-10>0故函数f(x)=log2x+x-10的零点必落在区间(6,8)故选B.