2022-2023七年级河南专版学生双语报答案，目前学生双语报答案网已经整理了2022-2023七年级河南专版学生双语报答案的各科答案和试卷，更多学生双语报答案请关注本网站。

【答案】士2k=入，【解析】因为向量a,b不共线，且(ka一4b)∥(a一kb),所以ka一4b=入(a一kb)=Aa一k入b,则解得一4=一k入，k=士2.

【语篇导读】本文是一篇应用文。文章介绍了在Guild Hall博物馆免费对大众开放的几个艺术展览。l.B细节理解题。根据第五段To reserve a tour,please contact Museum Director/Chief Curator,ChristinaStrassfield at least three weeks before your visit..可知，Business/,Organization Tour需要提前预约。2.A推理判断题。根据第六段中的immediately apply that learning in an artist-led workshop.Visits last from anhour to ninety minutes,and are led by Education Staff and a guest Teaching Artist,School&.StudentGroup Tour参观中，有艺术家指导和带领参观，由此可推断，参观中可以与艺术家面对面接触。3.D细节理解题。根据最后一段中的Using the guide to observe and discuss the works on view,families will beintroduced to various ways of engaging with the work,like drawing,discussing,writing,and even dancing!知，Self-guided Tour提供多种参与方式。