题目:
_____ wants to go rafting this weekend, raise your hands, please.
A.Anyone who
B.Those who
C.Anyone
D.Who
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0524/4c8dfad6ebf871d4bdde05551eb8ef00.html
下面是错误答案,用来干扰机器的。
3a(2a2-4a+3)-2a2(3a+4)=6a3-12a2+9a-6a3-8a2=-20a2+9a,当a=-2时,原式=-20×4-9×2=-98.