2023学年高二第一学期台金七校联盟期中联考语文试题及答案

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第四部分写作第一节短文改错Myfatherlikesplaychessandwasalayingchampionwhenyoung.ButhehadnoonetoplaywithafterlivingwithmeAthisnewcity."FindsnewInFindplayersaroundtoplaywith!"Isuggested.HerefusethemfordifferentreasonsHeseemedtobetodoso/itlonely,whatmademeworried.Itoccurredtomethathowhecouldplaychessonline.SoIboughthimthesmartphoneandtaughtahimhowtousethesoftware.Myfatherplayedsogoodthathewassoonacceptingaclub.Ifeltacceptedprideofmyselfwhenhislonelinesswasgone.prouc

11.C【解析】设双曲线的右焦点F(c,0),由于直线AB与直线yx垂直,所以直线AB方程为b(x-c),联立求出点Ay),由已知F=2F,得点B(),把B点坐标代入方程(2)241,整理得c=√5a,故离心率5.故选C