中考化學總復習 第二部分 專題復習 高分保障 專題1 氣體的制取與凈化課件 新人教版 (14)

1、第一部分第一部分 系統(tǒng)復習系統(tǒng)復習 成績基石成績基石八年級下冊八年級下冊第第 12 12 講講Unit 1Unit 1Unit 2Unit 2要點梳理要點梳理過關(guān)過關(guān) 重點詞匯過關(guān)重點詞匯過關(guān).用所給詞的適當形式填空1In the book，the writer tells us the importance(important) of keeping on writing.2Who is the owner(own) of the house?32017上海中考A seat belt can help protect passengers in many car accidents(acci

2、dent)42017鄂州中考If you want to make yourself understood(understand)，youd better speak clearly and slowly.52017包頭中考To the satisfaction(satisfy) of both sides，they solved the problem in a peaceful way.根據(jù)首字母或漢語提示填寫單詞6Can you imagine what the future will be like?7Most kids cant control(控制) themselves when

3、 they see the delicious food.8She hurt(受傷)her left leg badly when she fell down from the ladder.92017連云港中考Why are the students talking about raising money for the people in Sri Lanka?Because a heavy storm hit it at the end of May and thousands of people lost their homes.10My people believe that shar

4、ks can never be endangered because they look very strong(強壯的)高頻考點高頻考點精講精講考點考點1 1 Whats the matter.Whats the matter.？句型？句型 Whats the matter with Judy？朱迪怎么了？ Unit 1 P1【透析】 這個句式常用來詢問某人患了何種疾病、遇到了什么困難、麻煩或周邊出了什么狀況等，也可用于詢問某物出了什么故障。其后可接with sb./ sth.詢問某人/某物怎么了。如：Whats the matter？怎么了？Bad luck.I lost my pen.真

5、倒霉。我把鋼筆丟了。Whats the matter with him？他怎么了？He has a headache.他頭疼?！練w納】 類似的問句還有：【拓展】 回答此類問句的答語通常有3種：(1)主語have a部位ache.如：I have a headache.我頭痛。(2)主語have a癥狀名詞如：I have a fever.我發(fā)燒了。(3)主語have a sore部位如：I have a sore throat.我嗓子疼?？键c考點2 2 辨析辨析get offget off，get onget on，get intoget into與與get out of get out of

6、 He got off and asked the woman what happened.他下了車，問那個婦女發(fā)生了什么事。 Unit 1 P3get offget off“下(汽車、火車、飛機等)”The passengers got off the bus.乘客們下了公共汽車。get onget on“登上(汽車、火車等)”，后面常跟較大的交通工具When I got on the bus，I saw my friend sitting there.當我上了公共汽車時，我看見我的朋友坐在車上。get intoget into“進入(小汽車、出租車、電梯等)”，后面常跟較小的交通工具He

7、got into a taxi and left.他上了一輛出租車離開了。get out get out ofof“從(小汽車、出租車、電梯等)下來”She got out of the car and went into the hall.她下了車，然后進入大廳?？键c考點3 3 meanmean的用法的用法 This means being in a difficult situation that you cannot seem to get out of.這意味著處于一種你無法脫身的危險境地。 Unit 1 P6【透析】 如：Success means working hard.成功意味

8、著努力工作。We mean to see him off tomorrow.我們打算明天去為他送行。The sign means that the road is blocked.這個標志表示此路不通?！就卣埂?mean還可作名詞，意為“意思；意義”。常用的句型有： 如：What do you mean by the word？這個單詞什么意思？ Whats the meaning of the sentence？這句話是什么意思？考點考點4 4 辨析辨析lonelylonely與與alone alone A lot of old people are lonely.許多老人很孤獨。 Unit

9、 2 P10lonelylonelyadj.“寂寞的；荒涼的；偏僻的；孤寂的”，強調(diào)內(nèi)心的寂寞和孤單。帶有較強的感情色彩，可作表語或定語He has been very lonely since his wife left him.自從他妻子離開他后，他一直感到很寂寞。He was taken to a lonely island.他被帶到了一個荒島上。alonealoneadj.&adv.“單獨的(地)”，作形容詞時可作表語或后置定語。側(cè)重于單獨存在，客觀上獨自一人或沒有外人，不表示寂寞或孤獨等感情色彩He doesnt feel scared when he is alone.他單

10、獨一個人時不感到害怕?？键c考點5 5 辨析辨析used to do sth.used to do sth.，be used to doing sth.be used to doing sth.與與be used to do sth. be used to do sth. They told me stories about the past and how things used to be.他們給我講過去的生活經(jīng)歷，講過去是什么樣子的。 Unit 2 P10used to do used to do sth.sth.意為“過去常常做某事”，to是動詞不定式符號，后接動詞原形He used t

11、o play basketball after school.他過去常常在放學后打籃球。be used to be used to doing sth.doing sth.意為“習慣于做某事”，to是介詞，后接名詞或動名詞The teacher is used to going to bed late.那位老師習慣于晚睡。be used to be used to do sth.do sth.意為“被用來做某事”，同be used for (doing) sth.The computer is used to control all the machines.這臺電腦是用來控制所有機器的?？键c

12、考點6 6 辨析辨析raiseraise與與rise rise For example，we can make plans to visit sick children in the hospital or raise money for homeless people.例如，我們可以制定計劃到醫(yī)院里去看望生病的孩子或為無家可歸的人籌錢。 Unit 2 P12詞匯詞匯過去式和過去過去式和過去分詞分詞含義含義句型句型詞性及用詞性及用法法例句例句raiseraised；raised飼養(yǎng)；撫養(yǎng)；籌集；提高主語raise賓語及物動詞，可以用于被動語態(tài)Their sons and daughters r

13、aised money for their house.他們的兒女為他們的住房籌集資金。riserose；risen(熱情)上升；(價錢，工資，水位等)上漲主語rise不及物動詞，不能用于被動語態(tài)The sun rises in the east and sets in the west.太陽從東方升起在西方落下?？键c考點7 7 make itmake itadj.adj.for sb.to do sth.for sb.to do sth.句型句型 You helped to make it possible for me to have Lucky.有了你的幫助，我才有可能擁有Lucky。

14、Unit 2 P14【透析】 make itadj.for sb.to do sth.是一個固定結(jié)構(gòu)，意為“使某人做某事是的”。it是形式賓語，真正的賓語是后面的動詞不定式結(jié)構(gòu)。如：Mr Green makes it possible for us to learn English easily in his class.格林先生使我們能夠在他的英語課上輕松地學英語?！就卣埂?與make這一用法相似的單詞還有find，think，keep，feel等。如：I find it important to learn English well.我發(fā)現(xiàn)學習好英語很重要。I think it neces

15、sary to take exercise every day.我認為每天鍛煉很有必要。考點考點8 8 imagineimagine的用法的用法 Or imagine you cant walk or use your hands easily.或者設想一下你無法行走或無法正常使用雙手。 Unit 2 P14 如：We can not imagine life without computers.我們不能想象沒有電腦的生活。 I cant imagine making a speech in front of so many people.我不能想象在那么多人面前演講。 Mr. Smith c

16、ouldnt imagine what had happend at all.史密斯先生根本想象不到發(fā)生了什么事。關(guān)聯(lián)語法鏈接關(guān)聯(lián)語法鏈接 語法1：情態(tài)動詞should / shouldnt表建議 見P138語法2：反身代詞 見P122和123語法3：動詞不定式 見P141 語法4：情態(tài)動詞could表建議 見P138語法5：動詞短語 見P139考點即時考點即時運用運用單項填空1考點6We decide to _ some money for the students who cant afford to go to college.Arose Braise Crise2考點4Can you

17、finish your homework _？Aalone Blonely Clone3語法2&32017烏魯木齊中考改編Some people dress _ in bloody shark suits.They tell people _ shark fins to protect sharks.Athem；eat Bourselves；to eatCthemselves；not to eat4考點5He _ go out with his parents but now he _ staying at home alone.Aused to；is used to Bis used

18、 to；used toCuse to；is used toBACA5考點1Hi，John._？Its Lucy，my dog.Her leg is hurt.AHow are you BWhats the matterCWhos that6語法52017瀘州中考改編Its a good habit for us that we should never _ todays work till tomorrow.Aput off Bput on Cturn off7考點3Helping others _ helping yourself.Ameans Bmakes Chopes8考點8Dont y

19、ou think that the Internet is closely connected with our daily life?Yes，of course.Can you _ our life without it in the future?Aconsider Bimagine CmentionBAAB9考點4It seems that the old man feels _Lets go over and talk with him.Youd better let him _，or you may get into trouble.Aalone；lonely Blonely；alo

20、neCalone；alone10考點6The price of phones _ recently.Arise Bhas risen Craise11考點8His mother imagines him _ a good musician when he grows up.Abe Bbeing Cto be12考點1Whats the matter?I have a _I have to go to the doctor.Ahead Btooth Ccold13考點6We _ our heads to watch the sun _ over the mountain.Araise；rise

21、Brise；raise Crise；riseBBCCA14考點7Shopping on TV has made _ possible for people to buy things without leaving their homes.Aone Bit Cthat15考點3We mean _ a farewell party next week.Ahaving Bhas Cto have16考點22017樂山中考The bus is coming.Oh，my God！Its full.Im afraid we cant _ it.Aget up Bget on Cget off17語法1

22、2017蘇州中考改編Dogs _ run through soccer games at the park.Its dangerous!Ashould Bshouldnt CneedntBCBB18語法4 2017連云港中考改編Could I ride an electric bicycle to school，Mr.Wang?No，you _Students under the age of 16 arent allowed to ride electric bicycles.Acouldnt Bneednt Ccant19考點52017泰州中考改編Diana used to _ to wo

23、rk，but now she is used to _ because the road is crowded and she wants to keep fit.Adrive；walking Bdriving；walkCdriving；walkingCA話題寫作指導話題寫作指導話題 7：健康與急救考情分析分析近幾年的中考寫作真題，與“健康與急救”相關(guān)的話題通常從以下2個角度命題：1當今人們的健康問題及針對這種問題我們應該怎么做。2如何保持健康。常用短語句型常用短語句型【積累背誦】健康生活1keep healthy保持健康2keep a balanced diet保持均衡的飲食3junk fo

24、od垃圾食品4do / take exercise鍛煉5form / develop a good habit of.養(yǎng)成一個好習慣6get rid of bad habits摒棄壞習慣7live a happy / healthy life過一種快樂/健康的生活8be good for對有好處9be bad for / be harmful to / do harm to對有害10stay up熬夜11go to bed early早點睡覺12take part in參加提建議1Its important / necessary for sb.to do sth.做某事對某人來說是重要的/必

25、要的2We should do sth.我們應該做某事3Youd better (not) do sth.你最好(不)做某事4Doing sth.is good / bad for.做某事對有益/有害5Only in this way can we.只有這樣，我們才可以【基礎寫作運用】1對我們來說過一種健康的生活是很重要的。 _2你最好不要熬夜。 _3吸煙對我們的健康不利。_4我們應該早睡早起。_Its important for us to live a healthy life. Youd better not stay up. Smoking is bad for our health.

26、 We should go to bed early and get up early. 經(jīng)典亮句積累經(jīng)典亮句積累開頭句Nowadays，more and more people know the importance of keeping healthy.當今越來越多的人知道保持健康的重要性。中間句1We should eat breakfast every morning.每天早上我們都應該吃早餐。2We can also take part in clubs.I think its necessary for us to keep healthy.我們也可以參加俱樂部。我認為保持健康對我

27、們來說是必需的。3We should do more exercise to stay healthy.我們應該多做運動來保持健康。結(jié)尾句If people follow these ways of keeping fit，they can keep healthy.如果人們遵守這些保持健康的方式，他們就會很健康。典例運用典例運用【例】 2016廣安中考健康的身體是我們中學生學習的保證。但是網(wǎng)絡搶走了我們的鍛煉時間，垃圾食品威脅著我們的健康。請根據(jù)下面的提示，以“How to Keep Healthy”為題寫一篇英語短文。提示：1.堅持鍛煉；2.健康飲食；3.合理上網(wǎng)；4.充足的睡眠；5.保持愉快的心情。寫作要求1不要逐條翻譯，可適當發(fā)揮；2詞數(shù)：80左右。開頭已給出，不計入總詞數(shù)；3文中不得出現(xiàn)真實人名、校名等相關(guān)信息。參考詞匯：junk food(垃圾食品)【審題指導】細讀所給文字提示，提取以下信息：1以“如何保持健康”為話題，寫一篇說明文；2內(nèi)容主要包括保持健康的方法或建議；3人稱用第一人稱，時態(tài)用一般現(xiàn)在時?！緮M定提綱】【我的作品】How to Keep HealthyHow to Keep Healthy - Its important for us to keep healthy.As a middle school student，we sh