中考化学总复习 第二部分 专题复习 高分保障 专题1 气体的制取与净化课件 新人教版 (58)

1、第一部分第一部分 系统复习系统复习 成绩基石成绩基石九年级上册九年级上册第第 18 18 讲讲Module 11Module 11Revision module BRevision module B要点梳理要点梳理过关过关高频考点高频考点精讲精讲考点考点 1 1 辨析辨析 add toadd to，add.to.add.to.与与add up toadd up toTake some photos of Beijing and add some photos of Cambridge that you took recently.拍摄一些北京的照片并添上一些你最近拍的剑桥的照片。 M11 P8

2、8add to添加，增添(其宾语多为困难、欢乐等抽象名词)Every failure one meets with adds to ones experience.吃一堑长一智。add.to.把加到上Add some salt to the water.往水里加一些盐。add up to合计(后面多跟合计起来的数目，不用被动语态)The cost of this trip adds up to 1000 yuan.这次旅行的费用合计1000元。 考点考点 2 2 difficultydifficulty的用法的用法I have a feeling that we can solve these

3、 little difficulties.我有一种感觉，我们能解决这些小困难。 M11 P88【透析】 difficulty n困难，困境，复数形式为difficulties。如：We can overcome any difficulty，however great it is.不管多大困难，我们都能克服。【拓展】 difficult adj.困难的。如：It is getting more and more difficult to find a job.找工作越来越难了。have difficulty (in) doing sth.have difficulty with sth.做某事

4、费力/有困难。如：Do you have difficulty (in) carrying the heavy box upstairs？你把这个重箱子搬上楼费力吗？I still have some difficulty with my English grammar.我在英语语法方面还有困难。考点考点 3 3 even thougheven though的用法的用法Even though all of the photos are excellent，we are sorry to say that we cannot give prizes to everyone.尽管所有照片都很出色，

5、但我们只能遗憾地告诉大家，我们不能给每个人都颁奖。 M11 P90【透析】 even though意为“即使；纵然；尽管；虽然”，相当于even if，用于引导让步状语从句，从句内容往往是真实的，主要用于引出不利于主句情况的信息。如：I think it still looks perfect even though it has gone out this year.我觉得它看起来仍然很完美，即使它今年过时了。常可与though或although替换，但语气比它们强烈。如：The tomato is in fact a fruit，although it is eaten as a vege

6、table.尽管西红柿作为一种蔬菜被吃，但它实际上是一种水果。【注意】 even though不能与but连用。考点考点 4 4 辨析辨析 congratulationcongratulation与与congratulatecongratulate和和thanks tothanks to的的用法用法Congratulations to our winners and thanks to everyone who entered the competition.祝贺我们的获奖者，并感谢所有参赛者。 M11 P90【透析】 (1)辨析 congratulation与congratulatecong

7、ratulation“祝贺”，名词，通常用复数，是祝贺用语，常用搭配：congratulations to sb. on sth.就某事向某人祝贺I offer you congratulations on the New Year.恭贺新年。congratulate“祝贺”，动词，congratulate sb.on/upon (doing)sth.为(做)某事向某人祝贺We congratulate you on winning the first prize.我们祝贺你赢得一等奖。(2)thanks to sb.相当于say/give thanks to sb.，意为“向某人表示感谢”。

8、thanks to还可表示“幸亏，由于”。如：Thanks to the player who won the first prize.向获得第一名的运动员表示感谢。Thanks to your help，we were successful.多亏你的帮助，我们得以成功。【拓展】 thank sb.谢谢某人I thank you that you have done this for me.谢谢你替我做了这件事。thank sb.for (doing) sth.因(做)某事感谢某人Mike thanked her for the meal and left.迈克谢了她那顿饭，然后离开了。Now

9、 lets welcome our headmaster to present the prizes to the winners！现在，让我们欢迎我们的校长给获胜者颁奖！ M11 P90【透析】 (1)present在这里作动词，意为“授予”。present sth.to sb.present sb.with sth.“授予某人某物”。(2)present作名词时意为“礼物”。present还可以作形容词，作“出席；在场”讲时，常位于被修饰词之后；作“目前的；现在的”讲时，常位于被修饰词前。如：What is your present address？你现在的住址是哪里？考点考点 5 5 p

10、resentpresent的用法的用法考点考点 6 6 ItIts no use doing sth.s no use doing sth.的用法的用法Its no use talking about things we cant do.谈论我们不能做的事情没有用。 M12 P96【透析】 Its no use doing sth.意为“做某事没有用”。在这个句型中，动名词短语是主语，it是形式主语。类似动名词短语作主语，it作形式主语的句型还有：It is no good doing sth.做某事不好/没用。Its a waste of time/money doing sth.做某事是浪

11、费时间/金钱的。Its fun doing sth.做某事很有趣。如：It is no use crying over spilt milk.覆水难收。(谚语)It is no good talking to him，because he never listens.跟他讲没用，因为他从来不听。考点考点 7 7 辨析辨析 do with do with与与deal withdeal withAnd what do you do with the bottles when they are empty？并且当瓶子空了的时候你怎样处理它们？ M12 P98do with表示“对付；处理”，可与de

12、al with换用，常与疑问词what连用We are trying better ways to deal/do with this matter.我们在尝试更好的办法处理这个问题。What have you done with the letters？你是如何处理这些信的？deal with意为“对付；处理”，常与疑问词how连用How would you deal with an armed burglar？遇到持有武器的盗贼，你将如何对付？Havent you dealt with that letter yet？那封信你还没有答复吗？关联语法链接关联语法链接 语法1：which/wh

13、o引导的定语从句 见P123语法2：构词法考点即时考点即时运用运用1考点2The flowers in the garden _ much beauty _ the scenery of the surroundings.Aadded；up Badded；up toCadded；to Dadded；and2考点3I have great _ in finishing the work by myself.Could you help me?No problem.Afun BsuccessCadvice Ddifficulty3考点5We offered him our congratulati

14、ons _ his passing the college entrance exams.Aat Bon Cfor DofCDB 4考点5_ her husband，she has now become a famous film star.ABecause BThanks toCThanks for DWith the help5考点7Its no _ arguing with Bill because he will never change his mind.Ause Bhelp Ctime Dway6考点8You should learn what to _ those naughty

15、 children.Ado with Bdo onCdeal on Ddeal withB A A 7考点42017泰州中考What do you think of my article，Mr.Andrew?Er.，it is wonderful _ there are some spelling mistakes.Asince BthoughCif Dwhile8考点6The president was not_ at the meeting.Aattend Btake part inCjoin DpresentB D 9语法12017广东中考According to a survey，pe

16、ople_are able to speak two languages can manage two things at the same time more easily.Awhich Bwhom Cwhose Dwho10语法12017成都中考改编A kind of shared bike_ is called bluegogo is getting more and more popular in Chengdu.Ait Bwho Cwhich DwhenD C 话题写作指导话题写作指导话题 8：环境保护考情分析从全国近五年环境保护相关话题书面表达的命题来看，通常有三个角度的内容：1记

17、述你参加过的一次环保活动。2地球是人类唯一的家园。为遏制和改善环境日益恶化的状况，在日常生活中人们应该做到减少废气排放、种植绿色植被等来保护自然环境。3我们能为环境保护做些什么呢？以“环保从我做起”为话题谈论节约资源、垃圾分类、循环利用等。常用短语句型常用短语句型【积累背诵】破坏环境的行为1cut down砍倒；削减2throw away扔掉；丢弃3pour waste water into.把废水倒入4be harmful to对有害5spit in public公众场合吐痰保护环境的行为1clean up清理2stay/keep away from远离3protect.from doing

18、 sth.保护免受4start to do sth.开始做某事5take actions to do sth.采取行动做某事6make a contribution to.捐赠；为做出贡献7try ones best to do sth.尽某人全力做某事8turn off关闭最后总结1in ones opinion在某人看来2in a word总而言之3so that以便；所以4make a difference有影响；有关系【基础写作运用】1为了让世界变得更美好，我们应该多种树。We _ _ plant more trees _ _ make the world become more be

19、autiful.2越来越多的人开始注重保持健康。_ people start to _ keeping healthy.3总而言之，我们应该采取措施，保护环境免遭破坏。_，we should _ to prevent the environment from destruction.are supposed toin order toMore and morecare aboutIn a wordtake actions 经典亮句积累经典亮句积累开头句1Its our duty to love and protect the environment.爱护和保护环境是我们的责任。2Water i

20、s the source of our lives.水是生命之源。3To improve the environment means to improve our life.改善环境意味着改善我们的生活。中间句1We can find the rubbish not only pollutes our environment but also harms peoples health.我们发现垃圾不仅污染环境，还对人们的健康有害。2We should neither throw litter everywhere nor spit in public places.我们既不能到处扔垃圾，也不能

21、在公众场合吐痰。3Many rivers and lakes are seriously polluted.Something must be done to stop the pollution.很多河流和湖泊被严重污染。(我们)必须做些事情去阻止污染。4We can reduce air pollution by riding bicycles.And wed better plant more trees to protect the natural environment.我们可以通过骑自行车减少空气污染。并且我们最好多种树来保护自然环境。结尾句1I hope we can take

22、care of our environment.Lets make our world more and more beautiful.我希望我们关心环境。让我们的世界越来越美丽。2In a word，if everyone pays more attention to our environment，there will be less pollution and our life will be better.总而言之，如果每个人都对我们的环境有更多的关注，那么，将会有更少的污染，并且我们的生活也会更好。3I hope all the students in our school stop

23、 using the plastic bags，and use our own cloth bags.我希望我们学校所有的学生都停止使用塑料袋，并且使用我们自己的布袋。谚语俗语We never know the worth of water till the well is dry.井干方知水可贵。典例运用典例运用【例】假如你是某中学的学生会主席王东，为了配合环保教育主题活动，请根据下面所给提示，用英语写一封倡议书，内容包括：1环保措施和美化城市的措施(各2条)；2你的希望。写作要求1注意文章的整体连贯；2文章的开头和结尾已给出，不计入总词数；380词左右。【审题指导】细读所给的文字提示，可以提取以下信息：1以环保教育为主题，用英语写一篇倡议书。2倡议书中要提出两条具体的环保措施和两条美化城市的措施。3最后表达出对环保的希望。4写的时候要注意文章的整体结构，80词左右，不包含文章中给出的开头和结尾部分。5本文时态用一般现在时，人称用第一人称。【拟定提纲】【我的作品】Dear friends， In order to make the environment more beautiful，we should Thank you!Wang DongDear friends， In order toIn order to make the environment m