收藏 分享(赏)

2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt

上传人:高**** 文档编号:358343 上传时间:2024-05-27 格式:PPT 页数:57 大小:23.67MB
下载 相关 举报
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第1页
第1页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第2页
第2页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第3页
第3页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第4页
第4页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第5页
第5页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第6页
第6页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第7页
第7页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第8页
第8页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第9页
第9页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第10页
第10页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第11页
第11页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第12页
第12页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第13页
第13页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第14页
第14页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第15页
第15页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第16页
第16页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第17页
第17页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第18页
第18页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第19页
第19页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第20页
第20页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第21页
第21页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第22页
第22页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第23页
第23页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第24页
第24页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第25页
第25页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第26页
第26页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第27页
第27页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第28页
第28页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第29页
第29页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第30页
第30页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第31页
第31页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第32页
第32页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第33页
第33页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第34页
第34页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第35页
第35页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第36页
第36页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第37页
第37页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第38页
第38页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第39页
第39页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第40页
第40页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第41页
第41页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第42页
第42页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第43页
第43页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第44页
第44页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第45页
第45页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第46页
第46页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第47页
第47页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第48页
第48页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第49页
第49页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第50页
第50页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第51页
第51页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第52页
第52页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第53页
第53页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第54页
第54页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第55页
第55页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第56页
第56页 / 共57页
2019-2020学年人教版英语选修六培优教程课件:UNIT 4 GLOBAL WARMING SECTION Ⅲ .ppt_第57页
第57页 / 共57页
亲,该文档总共57页,全部预览完了,如果喜欢就下载吧!
资源描述

1、课前语法感知 课前语法感知课堂合作探究 课后演练提能.教材语法感知教材原句There is no doubt that the earth is becoming warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon.It was a scientist called Charles Keeling who made accurate measurements of the amount of carbon diox

2、ide in the atmosphere from 1957 to 1997.They also agree that it is the burning of more and more fossil fuels thathas resulted in this increase in carbon dioxide.课前语法感知课堂合作探究 课后演练提能 探究发现(1)强调句型的结构是:It_is/was被强调部分that句子的其他成分,如例句、。(2)当被强调部分是人时,也可用 who,如例句。课前语法感知课堂合作探究 课后演练提能.真题语法感知1(2018天津高考)It was onl

3、y when the car pulled up in front of our house _ we saw Lily in the passenger seat.答案:that答案 课前语法感知课堂合作探究 课后演练提能 2(2018浙江高考)It was then _ my mind raced.答案:that答案 课前语法感知课堂合作探究 课后演练提能 3(2017天津高考)It was when I got back to my apartment _I first came across my new neighbors.答案:that答案 课前语法感知课堂合作探究 课后演练提能

4、4(2016天津高考)You are waiting at a wrong place.It is at the hotel _ the coach picks up tourists.答案:that答案 课前语法感知课堂合作探究 课后演练提能 5(2015湖北高考)It was in this lake_ they found the long-lost sword of the Ming Dynasty.答案:that答案 课堂合作探究 课前语法感知课堂合作探究 课后演练提能 一、it 构成的强调句式it 可用来构成强调句式“It is/was被强调部分that/who.”,用以强调句子的

5、主语、宾语、状语等成分。课前语法感知课堂合作探究 课后演练提能 课前语法感知课堂合作探究 课后演练提能 名师点津强调句型的几个注意事项:(1)强调句式中的 it 与 that 都没有意义,若把强调句式部分去掉,剩下的部分在句子结构与意义上仍然完整。(2)强调句型的特殊疑问句形式用于主从复合句中的名词性从句时,其语序应用陈述句语序。课前语法感知课堂合作探究 课后演练提能(3)强调句型与定语从句相结合,若强调句型中的被强调部分含有定语从句,注意对定语从句引导词及强调句型中的 that 要做出正确的判断。Do you know what it is that they will talk about

6、 at the party?你知道他们在聚会上将要谈论些什么吗?It was in the school where they had their schooling that they had a get-together again twenty years later.在他们曾接受学校教育的学校里,他们 20 年后又聚在了一起。课前语法感知课堂合作探究 课后演练提能 二、it 引起的关于时间的易混淆的句型课前语法感知课堂合作探究 课后演练提能 课前语法感知课堂合作探究 课后演练提能 课前语法感知课堂合作探究 课后演练提能【即景活用】(1)单句语法填空Was _ on a lonely i

7、sland that he was saved one month after the boat went down?Can you explain why it _ that the sun goes down in the west?It is either he or you who _ in charge of the project and supposed to finish it punctually.It will be half a year _ my son comes back from America.课前语法感知课堂合作探究 课后演练提能 He was so busy

8、 yesterday that it was not until late at night _ he finished his work.It is five months _ my son went to America.答案:it is are before that since答案 课前语法感知课堂合作探究 课后演练提能(2)单句写作是张教授正在打电话。_ Professor Zhang _ is talking on the phone.这个病人需要的是更好的食物和更多的阳光。_ better food and more sunshine _ the patient needs.你是

9、在哪里找到你丢失的那本书的?_ you found your lost book?是你哥哥在那家公司工作吗?_ in that company?课前语法感知课堂合作探究 课后演练提能 直到昨天我才注意到它。_ I noticed it.我不记得是什么时候你开始做这个工作的了。I cant quite remember _ you started doing the work.只有在最近我重读他的诗时,我才欣赏到它们的美。_ I reread his poems recently that I began to appreciate their beauty.只有通过这种方式我们才能按时完成工作

10、吗?_ in this way _ we can finish the work on time?课前语法感知课堂合作探究 课后演练提能 答案:It is;who/that It is;that Where was it that Is it your brother who/that works It was not until yesterday that when it was that It was only when Is it only;that答案 课后演练提能 课前语法感知课堂合作探究 课后演练提能 基础题.单句语法填空1It was after he got what he

11、had desired _ he realized it was not so important.答案:that答案 课前语法感知课堂合作探究 课后演练提能 2It was on the farm _ he spent his childhood that he learned how to grow vegetables.答案:where答案 课前语法感知课堂合作探究 课后演练提能 3I just wonder _ it is that makes him so excited.答案:what答案 课前语法感知课堂合作探究 课后演练提能 4I dont mind her criticizi

12、ng me,but _ is how she does it that I object to.答案:it答案 课前语法感知课堂合作探究 课后演练提能 5It was in the small house _ was built with stones by his father _ he spent his childhood.答案:which/that;that答案 课前语法感知课堂合作探究 课后演练提能.单句改错1It was with the help of the local guide the mountain climber was rescued._答案:guide 后加 th

13、at答案 课前语法感知课堂合作探究 课后演练提能 2It is two years that he studied in the middle school._答案:thatsince 或 years 后加 ago答案 课前语法感知课堂合作探究 课后演练提能 3It was 80 years before Christopher Columbus crossed the Atlantic when Zheng He had sailed to East Africa._答案:whenthat答案 课前语法感知课堂合作探究 课后演练提能 4That is because of his illne

14、ss that he couldnt attend the meeting._答案:ThatIt答案 课前语法感知课堂合作探究 课后演练提能 5We dont know why it is she came so late._答案:is 后加 that答案 课前语法感知课堂合作探究 课后演练提能.单句写作1正是在密西西比河岸一带马克吐温度过了他的大部分童年时光。_ the Mississippi River _ Mark Twain spent much of his childhood.答案:It was along;that答案 课前语法感知课堂合作探究 课后演练提能 2是在六年前他开始学

15、习中文的吗?_ six years ago _ he began to learn Chinese?答案:Was it;that答案 课前语法感知课堂合作探究 课后演练提能 3是李教授教你们英语吗?_ Professor Li _ teaches you English?答案:Is it;that/who答案 课前语法感知课堂合作探究 课后演练提能 4正是因为这个原因她叔叔搬离了纽约。_ this reason _ her uncle moved out of New York.答案:It was for;that答案 课前语法感知课堂合作探究 课后演练提能 5是谁泄露的这个秘密?_ let

16、out the secret?答案:Who was it that答案 课前语法感知课堂合作探究 课后演练提能 能力题.阅读理解A(2017全国卷)After years of heated debate,gray wolves were reintroduced to Yellowstone National Park.Fourteen wolves were caught in Canada and transportedW1 to the park.By last year,the Yellowstone wolf population had grown to more than 17

17、0 wolves.课前语法感知课堂合作探究 课后演练提能 Gray wolves once were seen here and there in the Yellowstone area and much of the continental United States,but they were gradually displaced by human development.By the 1920s,wolves had practically disappeared from the Yellowstone area.They went farther north into the d

18、eep forests of Canada,where there were fewer humans around.The disappearance of the wolves had many unexpected results.Deer and elk populationsmajor food sources(来源)for the wolfgrew rapidly.These animals consumed large amounts of vegetation(植被),which reduced plant diversityW2 in the park.In the abse

19、nce ofP1 wolves,coyote populations also grew quickly.The coyotes killed a large percentage of the parks red foxes,and completely drove awayP2 the parks beavers.课前语法感知课堂合作探究 课后演练提能 As early as 1966,biologists asked the government to consider reintroducingW3 wolves to Yellowstone Park.They hoped that

20、wolves would be able to control the elk and coyote problems.Many farmers opposed the plan because they feared that wolves would kill their farm animals or pets.课前语法感知课堂合作探究 课后演练提能 The government spent nearly 30 years coming up withP3 a plan to reintroduce the wolves.The US Fish and Wildlife Service

21、carefully monitors and manages the wolf packs in Yellowstone.Today,the debate continues over how well the gray wolf is fitting in at Yellowstone.Elk,deer,and coyote populations are down,while beavers and red foxes have made a comeback.The Yellowstone wolf project has been a valuable experiment to he

22、lp biologists decide whether to reintroduce wolves to other parts of the country as well.篇章导读:本文是一篇说明文。以前在黄石地区随处可见的灰狼消失了。灰狼的消失引发了一系列生态问题。鉴于此,政府启动了一项历时 30 年的引进和繁育狼的计划,迄今为止已经取得了很好的成效。课前语法感知课堂合作探究 课后演练提能 1What is the text mainly about?AWildlife research in the United States.BPlant diversity in the Yell

23、owstone area.CThe conflict between farmers and gray wolves.DThe reintroduction of wolves to Yellowstone Park.答案:D 主旨大意题。文章主要讲述的是重新将灰狼引入黄石公园的原因和这一方案从提出到实施的经过及其会产生的影响。故选 D。答案 课前语法感知课堂合作探究 课后演练提能 2What does the underlined word“displaced”in Paragraph 2 mean?ATested.BSeparated.CForced out.DTracked down.答

24、案:C 词义猜测题。根据上文可知,灰狼曾经随处可见,再结合下文“wolves had practically disappeared”可知,与 displaced 意思最接近的是 C 项“被迫离开”。答案 课前语法感知课堂合作探究 课后演练提能 3What did the disappearance of gray wolves bring about?ADamage to local ecology.BA decline in the parks income.CPreservation of vegetation.DAn increase in the variety of animals

25、.答案:A 推理判断题。由第三段可知,灰狼的消失产生了很多意想不到的结果。鹿及麋鹿的数量快速增加,导致那里的植被被破坏,而且由于没有灰狼,丛林狼吃掉大量赤狐,并将河狸赶出公园。由此可知,灰狼的消失导致当地的生态失去平衡。故选 A。答案 课前语法感知课堂合作探究 课后演练提能 4What is the authors attitude towards the Yellowstone wolf project?ADoubtful.BPositive.CDisapproving.DUncaring.答案:B 观点态度题。由最后一段可知,灰狼回归后,鹿及麋鹿的数量减少了,而河狸和赤狐又回来了,再由“a

26、 valuable experiment to help”等可推知,作者对于黄石狼项目持肯定态度。故选 B。答案 课前语法感知课堂合作探究 课后演练提能 W重点单词1transport v.运送;运输;流放2diversity n.多样性;差异3reintroduce v.再引入;再介绍P重点短语1in the absence of 缺乏;不存在2drive away 赶走;驱散3come up with 提出;想出课前语法感知课堂合作探究 课后演练提能 B(2019浙江省稽阳联谊学校高三联考)With their pipes and lids to avoid spills,coffee c

27、ups have long been the substitute for adults.Now Starbucks is going all in on the concept by swearing to get rid of straws by 2020and its all for a very good reason.This move is an answer to our own partners about what we can do to reduce the need for straws.Not using a straw is the best thing we ca

28、n do for the environment.课前语法感知课堂合作探究 课后演练提能 In place of plastic straws,Starbucks plans to offer recyclable lids for all iced drinks and paper straws for coffee.The transition is already taking place in Starbucks hometown of Seattle,where a ban on plastic straws went into place on July 1.By rolling

29、this out in all 28,000 of their stores by 2020,the company says they are annually removing more than one billion straws from going into circulationand potentially the ocean.课前语法感知课堂合作探究 课后演练提能 Starbucks decision to gradually stop using single-use plastic straws is a shining example of the important

30、role that companies can play in stopping the tide of ocean plastic.With eight million metric tons of plastic entering the ocean every year,we cannot afford to let industry sit on the sidelines.Marine life has a 50%death rate when it swallows plasticyet researchers believe there will be more plastic

31、in the ocean than fish by the year 2050 if this rate of litter continues.That means there can be an immediate positive impact if we swap plastic straws for environmentally friendly alternatives.课前语法感知课堂合作探究 课后演练提能 The smart design on the cup for cold drinks comes from Starbucks in-house team of desi

32、gners and has been in development for two years.However,the announcement comes as outcry(尖叫;倒彩)increases over the dangers that plastic straws can cause to marine life.Other companies making the eco-friendly swap also announced plans last month to test alternatives to plastic straws.篇章导读:本文是一篇说明文。文章介

33、绍 Starbucks 倡导不使用塑料吸管来减少白色污染,保护海洋和环境。课前语法感知课堂合作探究 课后演练提能 5Why does Starbucks decide to get rid of plastic straws?ATo reduce its cost.BTo meet the customers needs.CTo create a greener planet.DTo expand its business worldwide.答案:C 细节理解题。根据第一段最后一句“Not using a straw is the best thing we can do for the e

34、nvironment.”可知答案为 C。答案 课前语法感知课堂合作探究 课后演练提能 6What does the word“transition”in Paragraph 2 refer to?ADilemma.BChange.CResponse.DConflict.答案:B 词义猜测题。根据第二段第一、二句可知,文中提到用另外两种环保产品替代塑料吸管,因而推断这是一种变化,故 B 项正确。答案 课前语法感知课堂合作探究 课后演练提能 7The tone of the author in referring to marine life can be described as _.Ahumo

35、rous BapprovingCenthusiastic Dconcerned答案:D 推理判断题。根据第三段倒数第二句可知,因为白色污染,对海洋生物的生存造成很大威胁,对海洋的生态破坏严重,作者为此忧心忡忡,故选 D。答案 课前语法感知课堂合作探究 课后演练提能 8Whats the text mainly about?AStarbucks is throwing away plastic straws for a worthy cause.BEnvironmentally friendly material will replace plastic straws.CScientists a

36、re making efforts to solve ocean plastic pollution.DA sales promotion of a new brand by Starbucks is being done.答案:A 主旨大意题。本文讲述了 Starbucks 为了环保事业倡导不使用塑料吸管来减少白色污染,故 A 项为最佳答案。答案 课前语法感知课堂合作探究 课后演练提能 .语法填空The language of loveMusic is a universal language,which has the most powerful magic in the world.Mu

37、sic is a sweet language to show love to those who love us and those who _1_(love)by us.Music is also a friendly language for unfamiliar people to show kindness.It is living everywhere and all the time in our daily life.课前语法感知课堂合作探究 课后演练提能 I learned this while _2_(take)care of a seagull unfortunate e

38、nough to swallow a hook(挂钩).After calling the wildlife rescue center and learning that all its _3_(vehicle)were out on other business,I carefully _4_(wrap)the wild bird in a towel and carried him to my friends car.The only way _5_(keep)him calm was by singing.For 30 minutes,I sang _6_(soft)to the sm

39、all creature until finally delivering him _7_ those who could help.Im not certain _8_ happened afterward,but for that brief period,we two vastly different species connected,_9_(bridge)the gap between us through songs.课前语法感知课堂合作探究 课后演练提能 _10_ doesnt matter whether there will be difficulties in communication,for love is always the theme of each piece of music.1_ 2._ 3._ 4._5_ 6._ 7._ 8._9_ 10._答案:1.are loved 2.taking 3.vehicles 4.wrapped 5.to keep 6.softly 7.to 8.what 9.bridging 10.It答案

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 幼儿园

网站客服QQ:123456
免费在线备课命题出卷组卷网版权所有
经营许可证编号:京ICP备12026657号-3