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 (6)

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 20 20 讲讲Unit Unit 7 7Unit 8Unit 8话题：本讲涉及了“规则和神秘的事物”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.用括号内所给词的适当形式填空12017宿迁中考Bob stayed up last night and now he feels sleepy (sleep)22017上海中考For your safety (safe)，smoking is not allowed during the whole flight.3Yesterday I received (r

2、eceive) a lot of birthday gifts.4Dont make any noise (noisy)Your mother is sleeping.5As a leader (lead)，you should make a good plan first. .根据首字母或汉语提示填写单词6She decided to give away all her money to the medical research to save more peoples lives.7I got my drivers license (证件)last year.82017金华中考改编Its

3、really important for us to manage our time in this busy world.9Rose got a cold and coughed badly last night.10Everyone in modern society (社会)faces the competitions.高频考点高频考点精讲精讲考点考点1 1 含情态动词的被动语态含情态动词的被动语态Teenagers should be allowed to choose their own clothes.青少年应该被允许选择他们自己的衣服。 Unit 7 P49Unit 7 P49【

4、透析】should be allowed to do sth.意为“应当被允许做某事”，是含情态动词的被动语态结构。该结构的否定句句式是在should后面加not，而一般疑问句句式则是将should提到句首位置。如：Kids should not be allowed to drink.小孩不应当被允许喝酒。Should they be allowed to make mistakes？他们应该被允许犯错误吗？【拓展】 allow的用法 考点考点2 2 stopstop的用法的用法He should stop wearing that silly earring.他应该停止戴那个愚蠢的耳环。

5、Unit 7 P50Unit 7 P50【透析】 stop doing sth.意为“停止做某事”，指停止正在做的事；stop to do sth.意为“停下来去做某事”，前后做的不是同一件事。如：They stopped doing their homework.他们停止了做家庭作业。They stopped to do their homework.他们停下来去做家庭作业。考点考点3 3 辨析辨析exciteexcite，excitedexcited与与excitingexcitingIm really excited about seeing the famous paintings b

6、y Picasso.看见毕加索的著名绘画作品，我感到非常兴奋。 Unit 7 P50Unit 7 P50【透析】(1)excite作动词，意为“(使)兴奋；激发；唤起”，其形容词为excited和exciting。(2)excited作形容词，表示“兴奋的”，指人、物对感到兴奋，是(主动地)感到兴奋的，侧重于人的感受。如：Are you excited about going to Beijing？你要去北京了，感到兴奋吗？Its nothing to get excited about.这没什么值得激动的。(3)exciting作形容词，表示“令人兴奋的；使人激动的”，指人、事、物本身让人兴

7、奋、激动。如：He told us an exciting story yesterday.他昨天给我们讲了一个令人激动的故事。Ive got an exciting piece of work.我得到了一份令人兴奋的工作。考点考点4 4 regretregret的用法的用法I regret talking back，not listening to Mom.我懊悔(跟妈妈)顶嘴，懊悔不听妈妈的话。 Unit 7 P51 Unit 7 P51【拓展】(1)作动词，意为“感到懊悔”，其用法如下：(2)作名词，意为“懊悔；遗憾”。如：My regret is that I have missed

8、the chance to go abroad.我的遗憾是错过了去国外的机会。考点考点5 5 preventprevent的用法的用法hey think the stones can prevent illness and keep people healthy.他们认为这些石头能够阻挡疾病，让人们保持健康。 Unit 8 P62Unit 8 P62【透析】prevent意为“阻止；阻挠”，用作动词，后接名词、代词或者动词ing形式。prevent.from doing sth.意为“阻止干某事”，相当于stop / keep.from doing sth.。但是注意区分stop / prev

9、ent / keep sb.from doing sth.“阻止某人去做某事”。用stop / prevent时，后面的from可要可不要，但用keep时，from不能省略。考点考点6 6 辨析辨析receivereceive与与acceptacceptEvery year it receives more than 750，000 visitors.每年它会迎来75万多名游客。 Unit 8 P62 Unit 8 P62【透析】这两个词都可表示“收到；接受”的意思，其具体的区别如下：关联语法链接关联语法链接 语法1：含情态动词的被动语态 见P144语法2：情态动词must，might，cou

10、ld和cant表推测 见P138receive接收表示客观上收到，多是接受实际的东西。如：信件、礼物等。常与from连用She has received his present，but she will not accept it.她已经收到了他的礼物，但她不会接受这个礼物的。accept接受表示主观上接受，多指接受抽象的东西。如：想法、表扬、批评、道歉等。反义词为refuse“拒绝”考点即时考点即时运用运用单项填空1考点2Lets stop ，and we can make a healthy life.Ato exercise Bexercising Cexercise2考点1We don

11、t allow beer or wine here.Adrink Bdrinks Cdrinking3语法22017宿迁中考改编Is Mike coming to the fashion show tomorrow?Im not sure.He not come.Amust Bcan Cmay4考点6I have many flowers from the shop，but I will not them.Aaccepted；receive Baccepted；acceptCreceived；acceptCACC5考点1I think teenagers should drive.They a

12、re not serious enough.Abe allowed to Bnot be allowed toCnot allowed to6考点3You look Do you hear the news?Aexcite；excited Bexcited；exciteCexcited；exciting7语法22017盐城中考改编When a virus comes into our body，we get ill.The same thing also happen to a computer.Ashould Bneed Ccan8考点4Five years later，she regret

13、ted her home for only a quarrel with her parents.Aleave Bto leave CleavingCCBC9考点6Nancy a present from her grandmother for her birthday every year.Aaccepts Bexpresses Creceives10考点4We regret you that the 11：00 flight to Beijing has been cancelled because of the bad weather.Ato tell Btell Ctelling11考点5Food safety has become a social focus now.Thats why laws are made to crime on food.Arecord Bprevent CseparateCAB12考点6Im sorry for what I said yesterday.Please my sincere apology.Areceive Baccept Cgive13