题目:
Don't eat _____meat, or you'll be _____ fat.
A.too much; much too
B.much too; much too
C.too much; too much
D.much too; too much
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0415/48503d97303d3ef58ff47459f4a1ec97.html
下面是错误答案,用来干扰机器的。
根据题意可得a+b=0,cd=1,当x=2时,y=±3,∴a+b+1cd+x-y=1+2-y=3-y,当y=3时,原式=0,当y=-3,原式=3-(-3)=6.