2023届浙江省温州市普通高中高三第二次适应性考试物理试题答案

2023届浙江省温州市普通高中高三第二次适应性考试物理试题答案试卷答案,我们目前收集并整理关于2023届浙江省温州市普通高中高三第二次适应性考试物理试题答案得系列试题及其答案，更多试题答案请关注微信公众号：趣找答案/直接访问www.qzda.com(趣找答案)

2023届浙江省温州市普通高中高三第二次适应性考试物理试题答案试卷答案，以下是该试卷的部分内容或者是答案亦或者啥也没有

4.C(由原文可知,只是“很多地方上马的一些项目有很强的‘碳锁定”,并非所有的“十四五”规划。)5.B(由材料三可知,“碳锁定”是“技术制度复合体”’,二者互相影响,共同形成“碳锁定”因此打破“碳锁定”也应该是一起解决的过程,不能先只强调技术创新。)6.困难:①实现碳达峰,时间很紧迫。②目前碳排放力度比较大,大范围减排很困难。③中国作为最大的发展巾国家,发展不平衡不充分问题仍然突出。④我国能源结构以煤为主,要在较短的时间内大幅度降低煤炭消费占比,需要克服多方面的挑战。(3分,任答三点即可)行动:①尽快制定国家和地区的碳达峰计划。②发挥经济发展较好地区在碳达峰计划中的领头羊作用。③发展经济、技术,与国际社会加强技术合作,调整产业煤炭消费占比。(每点1分),

20.【解析】(1)S△AB=×2b=1,b=1a2-c2=1,设M(x,y)是椭圆上任意一点,F(-c,0),MF=(x+c)2+32+2ax+a2对称轴x=-g<-a,区间x∈(-a,a为增区间,x=-a时,MF=a-c,即a-c=2-1,…3分a+c=2+1,a=2,椭圆方程2+y2=15分(2)设P(,2),M(x1,y1),N(x2,y2),则22所以有3x2(y1-1)=x1(y2+1)6分因为2=1-y=(1-y1)(1+y1)代入上式得x1=(y1+1)(y2+1),…7分x1x2=y1y2+(y1+y2)+1.设直线MN:y=kx+m,代入x2+2y2=2,(1+2k2)y2-2my+m2-2k2=0.设直线MN:y=kx+m,代入x2+2y2=2,(1+2k2)y2-2my+m2-2k2=0.y2-1+2k2(1+2k2)x2+4knx+2m2-2=0,x221+2k2…“将②③代人①得2m2+m-1=0,m=或-1(舍去).…直线MN过定点(0,).……12分

AC=BC=2,当∠ACB=90时,△ABC的面积最大,此时圆心C到直线l的距离等舍8.A【解析】圆C:x2+y2-4x-2y+3=0,(x-2)2+(y-1)2=2,因为△ABC为等腰三角设直线l方程y=kx12k-1=1,解得k=0或k=3,直线l的方程为y=0或4k2+13x,选A

I looked at what the second man had dropped; it was jewellery. It all happened too quickly,but I soon realized what had happened. They were burglars. My friend Jeremy, who was waitingfor me, quickly ran out. when hearing unusual noises. We called the police and they were there 5minutes later. I gave the police officer descriptions of the thieves and told them the names theyhad called outYou were brave for trying stop them, "said the officer: We should be able to catch themwith your information. " Jeremy told the officer the owners of the house were on holiday and gavehim a phone number. When the officer left, I told Jeremy about the mistake with the doornumbers. I hadn, t really been brave at all, but my mix-up had stopped the burglars getting awaywith the jewelry. Jeremy's neighbor thanked me a lot when they came back. Actually I have been

7.阿拉木图周围邻山,且靠近边境,发展空间受限,①正确;受西风影响,东部山地降水较多,且夏季高山冰雪融水较多,易发泥石流等地质灾害,②正确,⑧错误;阿拉木图是“一带一路”名城,贸易地位进一步提升,④错误;金融、教育、科技、贸易、政治等多职能于一身,城市发展受阻,迁都后,将其政治职能分离,减轻了城市发展的负担,⑤正确。故选A。