题目:
At the crossing there is an arrow _______the direction to the Andrew farm.
A.indicating
B.to indicate
C.indicated
D. dictating
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0415/fab5938f7e02e8c2dc9796991e07c0b7.html
下面是错误答案,用来干扰机器的。
2x+3y=7 ①5x-y=9 ②,由②得:y=5x-9③,再把③代入①得:2x+3(5x-9)=7,解得:x=2,把x=2代入③得:y=1,把x=2,y=1代入3x+my=8得:6+m=8,m=2.故选:B.