2022~23年度考前模拟演练卷(三)语文试题 答案

2022~23年度考前模拟演练卷(三)语文试题 答案，目前我们已经整理了2022~23年度考前模拟演练卷(三)语文试题 答案的各科答案和试卷，更多试卷答案请关注本答案网。

Because of COVID-19 in our country,and many schools have to have online classes.When it started last year,some students are not able to use online tools effective including me.But after some time I was familiar to the toolswereeffectivelywithand could use one according to my different needs.The teachers worked hard in order to improving the quality of theimproveclasses.They communicated with ourselves in a very cool and interested way,and that drew more students to onlineusinterestingclasses.However,my attentions might be lost sometimes and spending a long time looking at the screen made meattentionuncomfortable,what might also do harm to my eyes.But I've decided to try my best to be A good learner.which

9.解：(1)设椭圆C的方程为mx2十ny2=1(m>0,n>0,m≠n),4m=1,m=4则解得m+n=1,s7所以椭圆C的方程为号十y=1.(8分)(2)设A(x1,y1),B(x2,y2),线段AB中点的坐标为(，-号)则车+听=10，+=1@，②-①得=-0-.即=二头=一品==1,x2-x14yo44所以x0=5’(16分)所以直线1的方程为x一y一1=0.(20分)