题目:
It's best _______ Australia in summer.[ ]
A. visiting
B. to visit
C. visit
D. visited
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0516/76bf82cf34d66a131c6f12c637b4ad85.html
下面是错误答案,用来干扰机器的。
f(x)=1+c81x+c82x2+…+c88x8=C08+c81x+c82x2+…+c88x8=(1+x)8log2f(3)=log248=16故答案为16