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 (8)

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九年级第第 18 18 讲讲Unit Unit 3 3Unit 4Unit 4话题：本讲涉及了“四处活动和我们的变化”等相关话题。要点梳理要点梳理过关过关 重点词汇过关重点词汇过关用方框内所给词的适当形式填空1How many stamps (stamp) has your brother collected so far?2My best friend Paul mailed (mail) a letter for me yesterday.3Eric read a book last year and it has influenc

2、ed (influence) him a lot.4Please keep silent (silence)，Mr.Green has something to tell us.52017包头中考Mr.Black was asked to give a speech (speak) at the beginning of the meeting. 6Our manager greeted the guests politely (polite) with a smile at the entrance.72016泰安中考The British teacher is very humorous

3、(humor)He always tells us interesting jokes.8A singer requires (require) a lot of talent to succeed.9Nobody was absent (absence) from school although it rained heavily yesterday.102017上海中考Scientists often suggest (suggestion) that farmers use natural ways to grow fruits.高频考点高频考点精讲精讲委婉地提出请求的句型及疑问词的用法

4、委婉地提出请求的句型及疑问词的用法 Excuse me，could you please tell me how to get to the bookstore？打扰一下，你能告诉我如何去书店吗？ Unit 3 P17Unit 3 P17【透析】(1)Could you please.？意为“请你好吗？”是表示有礼貌地提出请求的交际用语，后接动词原形。(2)疑问词who，which，when，where，how等与动词不定式连用，常用于tell，show，know，teach 等动词后作宾语。“疑问词动词不定式”结构所表示的动作通常是未发生，所以在转换成宾语从句时，通常要加情态动词或用将来时态

5、。如：Could you please tell me where the bookstore is？请你告诉我书店在哪里好吗？【归纳】 (1)问路的常用句型：(2)表示委婉的请求及请求允许做某事的句型和回答：Would / Will you please do sth.？你愿意做某事吗？Would you like to do sth.？你愿意做某事吗？肯定回答常用Sure./ Of course.当然。No problem.没问题。Id like / love to.我愿意。否定回答常用 Sorry，Id love / like to，but.“对不起，我很愿意，但是”等。 考点考点2 2

6、 辨析辨析beside beside 与与besidesbesidesbeside prep.在旁边；在附近 Unit 3 P17Unit 3 P17beside作介词，意为“在旁边；在附近”He is sitting beside the driver.他正坐在司机旁边。besides作介词，意为“除(提到的)之外”Besides the violin，Jack also plays the piano.除小提琴外，杰克也会弹钢琴。作副词，意为“还有；而且”，用于增加理由的说服力I dont want to go shopping.Besides，I dont have money.我不想去

7、购物。而且，我也没钱。考点考点3 3 辨析辨析pastpast，overover，acrossacross与与throughthroughGo past the bookstore.经过书店。 Unit 3 P18Unit 3 P18【透析】 go past 意为“经过；路过”，相当于pass。past从旁边经过表示时间上的超过或空间上的经过The man is walking past a shop.这个男人正经过一家商店。over从上方跨越而过表示动作发生在物体的上方There is a bridge over the river.河上面有一座桥。across 横穿；越过表示动作是在某一物

8、体的表面进行的；强调从一端到另一端The little girl is walking across the road.这个小男孩正在步行穿过马路。through 穿过；越过表示动作是在某一空间内进行的，强调从内部穿过He can go through the forest by himself.他能独自穿过森林。考点考点4 4 suggestsuggest的用法的用法I suggest Water City Restaurant in Water World.我建议去水上世界的水城餐厅。 Unit 3 P19Unit 3 P19【透析】 suggest作动词，意为“建议；提议”。其常见用法如

9、下：【注意】 suggest 后不能接双宾语，没有suggest sb.sth.和 suggest (sb.) to do sth.的搭配。【拓展】 suggest 的名词形式是suggestion，意为“建议”，是可数名词。考点考点5 5 depend ondepend on的用法的用法The expressions they use might depend on whom they are speaking to or how well they know each other.他们的表达方式可能取决于他们和谁说话或者他们彼此的熟悉程度。 Unit Unit 3 P223 P22【透析】

10、 (1)warn 作动词，意为“警告；告诫”，常用的结构有：(1)句中whom they are speaking to和how well they know each other分别是由连接代词whom和连接副词how引导的宾语从句，作depend on的宾语。如：Our success depends on how well we can cooperate with one another.我们的成功取决于我们彼此合作的好坏程度。(2)depend为不及物动词，与on或upon连用；depend在本句中意为“依而定”，还可表示“依赖；依靠；信任”。如：Good health depend

11、s upon good food，exercise and getting enough sleep.良好的健康状态依赖于良好的食物、运动和充足的睡眠。考点考点6 6 辨析辨析deal withdeal with与与do withdo withCandy told me that she used to be really shy and took up singing to deal with her shyness.坎迪告诉我她过去很害羞，于是学着(利用)唱歌来克服她的害羞。 Unit 4 P27Unit 4 P27deal with 处理；应付强调处理的方式、方法，常与how连用Mr.G

12、reen taught me how to deal with pressure.格林先生教会我怎样处理压力。do with处理；安置强调处理的对象，常与what连用I dont know what to do with these old clothes.我不知道怎么处理这些旧衣服。关联语法链接关联语法链接 语法：宾语从句(where，when，how等) 见P148考点即时考点即时运用运用单项填空1考点2To learn English，listening is also important reading. Abeside Bbesides Cexcept2考点6How do we th

13、ese math problems，Jack?Maybe we can ask our teacher for help. Adeal with Bdo with Cagree with3考点4Experts that parents should communicate with their children in person. Aadvice Bwish CsuggestBCA4语法2017连云港中考改编Do you know The Belt and Road Forum(一带一路高峰论坛)began?On May 14th，2017.Athat Bwhen Cif5考点12017宜宾

14、中考Would you please tell me ？In Yibin.Awhere do you liveBwhere you liveCyou live where6考点5All the living things on the sun.Adepend Bspend ClookABB7语法2017荆州中考改编As middle school students，we should start thinking about for our country in the future.Awhat we did Bwhat can we doCwhat we can do8考点6We cant

15、decide what will happen in the future，but we can decide what to them.Aargue with Bdeal withCdo with9考点3When I was walking in the field，I saw a plane flying my head.Aacross Bthrough CoverCCC10考点4He suggests that we the problem in another way.Asolve Bsolving Cto solve11考点3The moonlight is shining the

16、window.Aacross Bthrough Cin12考点3When the traffic lights are green，you can go the street.Across Bthrough Cacross13考点4After dinner，my husband suggested for a walk.Ago Bgoing CwentCABB话题话题1212：变化变化短语短语1used to过去常常；曾经2be different from与不同3take place发生4in recent years近几年里5make great progress取得很大的进步6give

17、up放弃7develop good habits养成好习惯话题写作话题写作指导指导常用短语句型常用短语句型考情分析考情分析 分析近几年的中考命题，与变化相关的话题大多会从两方面进行考查：1我们成长、学习和心态的变化。2周围环境和变化。8with the help of sb./ with ones help在某人的帮助下9try ones best尽某人最大的努力10get on well with sb.与某人友好相处句式句式1The biggest change in my life was.我生命中最大的变化是2This is the most important change beca

18、use.这是最重要的改变是因为1我过去很矮很瘦。 2在老师的帮助下，我取得了很大的进步。 3你练习得越多，你犯的错误就会越少。I used to be very short and thin. English movies. With the help of my teacher，Ive made great progress. 【基础写作运用】 Great changes have taken place in my hometown in the past few years. 经典亮句积累经典亮句积累开头句1I used to be shy，but now I become outgoi

19、ng.我过去害羞，但现在变得外向。2There used to be lots of old houses ten years ago.十年前这有许多旧房子。中间句1I try my best to get on well with my classmates.我尽自己最大的努力和同学们相处得好。2I play pingpong with them.我和他们一起打乒乓球。3When they are in trouble，I am always ready to help them.当他们有困难时，我总是帮助他们。4The government helps us to build many n

20、ew buildings.政府帮我们建设许多新大楼。5And people can also dance and sing on the square after supper.晚饭后，人们可以在广场上唱歌，跳舞。结尾句1Thanks to.多亏2I give up playing computer games and concentrate on study.我放弃打游戏，并且专注学习。3We can live a happy life.我们有一个幸福的生活。4With the help of.，I have made great progress in my study.在的帮助下，我在学

21、习上取得很大的进步。5Our village has changed a lot.我们村的变化很大。典例运用典例运用【例】2017随州中考上周你班召开了一次“告别陋习，走向文明”的主题班会，会上老师让你们谈谈身边同学的变化。请你根据表格里的内容写一篇有关王明同学的文章。过去的表现过去的表现现在的表现现在的表现经常和同学打架与同学相处融洽花很多时间玩电脑游戏积极参加各项活动经常吃垃圾食品健康的生活习惯在课堂上吃东西、睡觉认真听讲，按时完成作业考试不及格各门学科学得很好注意：1.文章必须包括所有内容要点，可适当发挥，使短文的意思连贯，语句通顺；2词数：80左右(文章的开头已给出，不计入总词数)；3文中不得出现真实的人名、校名及地名。【审题指导】根据所给的图表及文字信息，可知：1用第三人称来写；2时态要用一般过去时和一般现在时来写；3词数在80左右，不得出现真实的人名、校名及地名【拟定提纲】【我的作品】 Wang Ming is my classmate.He has made g