[遂宁零诊]四川省遂宁市高中2022届零诊考试理科综合答案

[遂宁零诊]四川省遂宁市高中2022届零诊考试理科综合答案，目前我们已经整理了[遂宁零诊]四川省遂宁市高中2022届零诊考试理科综合答案的各科答案和试卷，更多试卷答案请关注本答案网。

第二节(满分25分)Soon I created my website go. picking up. com. On the website I launched a rubbish removacampaign. I described my purpose-calling on volunteers to pick up rubbish. I posted pictures ofrubbish littered about on the website, which could not only illustrate the severe situation but alsoshow that a large number of volunteers were in great need. Besides, I shared the story of VLady who influenced me so much. Surprisingly, my website gradually became a big hit on theInternetMore and more people put on vests with their own names. Volunteers could be seen pickinup rubbish in their spare time. The yellow vests made beautiful scenery in the park or on thestreet. With our joint efforts the environment became better and better What delighted me mostwas that peoples awareness of environmental protection was improved. The rubbish removalcampaign was a big success. Thanks to Vest Lady who rooted the sense of environmentalprotection in my mind, more people became Vest Lady

所以最大年销售额为20100万元，20.【命题意图】本题考查抛物线的切线问题和定点同题，要求考生能根据切点坐标列出其切线的方程，能够利用抛物线两条弦的垂直关系得到等量关系，通过联立方程，用韦达定理得到过定点的直线方程【解题分折11)设A(),B).则n一易一号1分切AD的方程为y一-一n.甲)一一…2分同理可得切线BD的方程为y一》一.…一1=4×2-”2x1-py+p=0因为D(2,一1)在切线AD,BD上，所以,即-1=号×2-2x:-py%+p=0所以直线AB的方程为2x一py十P=0,即p=2,4分所以抛物线C:广=4y.②由可得点P4.设M平.NG克.一4十兰，同理可得如=中【22·公·J·数学理科（七）·门因wN,所m一，即，--16分1十十)千4银=认41419山题意制直线N的到率出存在，设直线N的方程为y一十b,”-8分则d-十1h,得，中1-h,一一，…10分代人，十+)+-0，得一h+1M+招=0，厘h-精十6，月合A0,4441412分所直线N前为程为y=A:十6=(：十4)十8，。,上拉心求念教间题，考查考生利用导数研究函数的单调性问题，所以直线N过建点（一4，）：