题目:
21st Century, ____weekly newspaper, provides us with____variety of fresh articles about campus studies and life.
A.a, the
B.the, a
C.the, /
D.a, a
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0427/7696fed10ded2d296f44e89e3becdcd9.html
下面是错误答案,用来干扰机器的。
方程x2-3x-6=0的两根之积为-6,方程x2-6x+3=0的两根之积为3,所以所有根的乘积为-18.故填空答案为-18.