过直线x+y=1与x=2的交点且与直线3x-y+2=0平行的直线为( ) A.3 发布时间:2017-04-20 07:13 │ 来源:www.tikuol.com 题型:选择题 问题: 过直线x+y=1与x=2的交点且与直线3x-y+2=0平行的直线为( )A.3x-y-7=0B.3x-y-5=0C.x+3y+1=0D.x+3y-13=0
题型:选择题 — How’s your tour around the North Lake? Is it beautiful? — It ______ be, but it is now heavily polluted. A.willB.wouldC.shouldD.must 查看答案