人教版九年级英语第12单元知识讲解.pdf
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1、Unit 12Unit 12Life is full of the unexpectedLife is full of the unexpected词句精讲精练词句精讲精练【词汇精讲】【词汇精讲】1.by the end of1.by the end ofby the end of 意为“到末为止”,其后只能接时间,可用于将来时或过去完成时。例如:Were going to finish it by the end of this week.到本周末,我们将完成这项工作。【拓展】(1)at the end of 意为“在末端,在尽头”,可以表示时间,也可以表示地点。例如:at the end
2、of January在一月底(表示时间)at the end of the street在街道末端(表示地点)(2)in the end 意为“最后,终于”,相当于 at last,finally,其后不能接 of 短语。例如:Our team beat theirs in the end.最后,我们队战胜了他们队。2.disappear2.disappeardisappear 是动词,意为“消失,消散”。其反义词是appear,意为“出现”。例如:Dont disappear again.不要再突然消失了。Some animals are disappearing because of hu
3、nting.一些动物因滥捕而濒临灭绝。A woman appeared at the end of the street.一位妇女出现在街道的尽头。3.go off3.go offgo off 意为“发出响声”。例如:My alarm clock didnt go off.我的闹钟没有响。The alarm went off.警铃骤然响起。【拓展】(1)go off 还有“离开,出发”等意。例如:Do go off the main road,or youll be lost.不要离开大路,否则会迷路的。(2)go off 还表示“变质”。例如:This milk has gone off.牛
4、奶变坏了。4.take off4.take offtake off 意为“起飞”。例如:When will the plane take off?飞机什么时候起飞?【拓展】(1)take off 还可作“脱下”讲,反义词组为put on,意为“穿上”。例如:Put on your clothes.Dont take them off.把衣服穿上,别脱下。(2)常见的含有 take 的词组:take turns 轮流take away 拿走take out 拿出,取出take over 接手,接管take notes 做笔记take care 当心,注意take care of 照顾take p
5、hotos 照相take it easy别紧张5.oversleep5.oversleepoversleep 意为“睡过头”,它的过去式和过去分词都是overslept。例如:I overslept and missed the school bus.我睡过了头,没赶上学校班车。【拓展】某些词前缀over,表示“超过,优越,过度等”。overage 过老的overtime 超出时间的overwork 过度工作overdo 做得过分I think the work is overdone.我觉得这工作做过头了。She overdressed herself today.她今天打扮过头了。6.le
6、ave6.leaveleave作动词,意为“离开(某处)”,常与for连用,后接要去的地方。leave的过去式和过去分词都是left。例如:He is leaving for Beijing next week.他下周打算离开去北京。Mr.Smith left the room at two oclock.史密斯先生两点离开房间。【拓展】(1)leave还意为“离开(某人)的身边;离弃”。例如:Her husband has left her.她的丈夫把她遗弃了。(2)动词短语leave something at/in 表示地点的名词,意为“把某物忘在某地”。例如:I left my key
7、at home.我把钥匙忘在家里了。Tom left his English book at school,so he didnt do his homework.汤姆把英语书落在学校了,所以没有做英语作业。(3)leave还意为“听任,使处于某种状态”。例如:He left the windows open.他让窗子开着。【辨析】leave和forgetleave和forget两者都是动词,都含有“忘记”的意思。表示把某物“落在某地方”用leave,如果无具体地点,则用forget。例如:He said that he had left his book in the classroom.他
8、说他把书落在教室里了。I never forget her.我永远也忘不了她。7.show up7.show upshow up动词短语,意为“出席,露面”。例如:Most of people invited didnt show up.被邀请的人大部分还未到。To my surprise,she failed to show up.令我吃惊的是,她未能出席。【拓展】show的常用短语:(1)show sb.around 带某人参观例如:Ill show you around so that you can meet everyone.我会带你到各处看看,好让你和大家见见面。(2)show o
9、ff 炫耀例如:Those boys always show off their sports skills to the girls.那些男孩们老向女孩卖弄他们的运动技巧。(3)show sb.sth.把某物展示给某人看例如:My friend showed me a picture book.我的朋友出示我一本漂亮的图册。(4)on show 陈列,展出例如:The photographs are on show at the museum until October.照片在博物馆展出到十月。8.keep8.keep(1)keep 用作及物动词,意为“保存;保留;保守”。例如:Could
10、you keep these letters for me,please?你能替我保存这些信吗?Ill keep a seat for you.我给你留个座位。Can you keep a secret?你能保守秘密吗?(2)keep 用作连系动词,后常接表语形容词,意为“保持处于某种状态”。例如:You must look after yourself and keep healthy.你必须照顾好自己,保持身体健康。She knew she must keep calm.她知道她必须保持镇静。(3)keep 的常用句型:1)keep doing sth.意为“继续干某事”,表示不间断地持续
11、干某事,后须接延续性的动词。例如:He kept working all day,because he wanted to finish the work on time.他整天都在不停地工作,因为他想准时完成工作。2)keep on doing sth.意为“持续做某事”。例如:The pupil kept on asking me the same question.这个学生不断地问我同一个问题。例如:3)keep.from doing sth.意为“阻止/防止做某事”。例如:The heavy snow kept us from going out.大雪阻止了我们出去。【词汇精练】【词汇
12、精练】I.I.根据句意及首字母提示补全句子。根据句意及首字母提示补全句子。1.Set your alarm clock,and you wont o_.2.When I got to school,I r _I had left my backpack at home.3.U_,by the time I got there,the bus had already left.4.L_,my friend Tom and his dad came by in his dads car and they gave me a ride.5.Sally i_ me to her birthday pa
13、rty.Its at her hous e on Saturday.6.In 1938,a radio program a_ that aliens from Mars had landed on the earth.7.Life is full of the u_.8.He was going to meet me earlier but he didnt s_ up when I got there.9.Jim d_ and nobody heard of him.10.Im really e_ to be laughed in public.II.II.用所给单词的适当形式填空。用所给单
14、词的适当形式填空。1.I _(stay)up last night and I am really _now.(exhaust)2.I _(wait)for the bus when she called me.3.I felt _in that _joke.(embarrass)4.Scientists have to read the_ information in science books.(late)5.Do you know that your bike is _(break)?6.Dont _(foolish)anyone in your class,because none o
15、f them are fools.7.My mother asked me to go the front door and check if it is _(lock).8.She told me she _(be)to Sanya.III.III.选用同义词填空。选用同义词填空。(1)用 leave 或 forget 的正确形式填空。1.I _ his address.2.I _ his address on the desk yesterday.3.She mustnt _ the letter on the table.4.He _ telling her about it.5.Wou
16、ld you like to _ a message for him?(2)用 whole 或 all 填空。6.The teacher said,“Forty is a _ number.”7.Her _ homework was finished with the help of the teacher.8._ her homework was finished with the help of the teacher.9.He spent _ the day doing the work.10.He spent the _day doing the work.IVIV.用方框内所给单词的
17、适当形式完成句子。用方框内所给单词的适当形式完成句子。realize,show up,close to,on time,break down,by the time1.He was standing _ the door.2.I was waiting for the school bus but it didnt come.Then Iit was Saturday.3.He was going to meet me earlier but he didnt.4.I started walking,but I knew I could not get to the factory_.5.On
18、 my way to work,my car_,so I had to ask for a ride.6._I got there,they had finished the work.V V.听力链接。听力链接。(2014(2014 北京丰台一模北京丰台一模)请听一段对话,完成第 9 至第 10 小题。9.What is the bad news about the trees?A.A company will cut them down.B.They were destroyed by a storm.C.The government sold them to a company.10.W
19、hat will the speakers do on Saturday?A.Hold a meeting.B.Play under the trees.请听一段对话,完成第11 至第 13 小题。11.What do we know about the woman?A.She hates cooking.B.She never works out.C.She often goes to see her friends.12.What is the man trying to do?A.Invite the woman to the movies.B.Ask the woman to trav
20、el with him.C.Advise the woman to take more exercise.13.What are the speakers mainly talking about?A.Friendship.B.Health.C.Hobbies【参考答案】I.I.根据句意及首字母提示补全句子。根据句意及首字母提示补全句子。1.oversleep2.realized/remembered3.Unfortunately/Unluckily4.Luckily5.invitesC.Write a letter to the leader.6.announced7.unexpected8
21、.show9.disappeared10.embarrassedII.II.用所给单词的适当形式填空。用所给单词的适当形式填空。1.stayed,exhausted2.was waiting3.embarrassed,embarrassing4.latest5.broken6.fool7.locked8.had beenIII.III.选用同义词填空。选用同义词填空。1.forget2.left3.leave4.forgot/forgets5.leave6.whole7.whole8.All9.all10.wholeIVIV.用方框内所给单词的适当形式完成短文。用方框内所给单词的适当形式完成短
22、文。1.close to2.realized3.show up4.on time5.broke down6.By the timeV V.听力链接。听力链接。答案:9.A10.A11.B12.C13.B原文:请听一段对话,完成第请听一段对话,完成第 9 9 至至 1010 小题。小题。M:Hello.This is Steven speaking.W:Hi,Steven.This is Christine speaking.How was your summer vacation?M:Oh,wonderful.Ive taken many photos.I ll show you when w
23、e meet.W:OK.Well,Steven,I have bad news for you.M:What?W:Its about the trees at the end of Jefferson Road.M:Oh,I love those trees.But what has happened to those trees?W:The Kingman Construction Company will cut them down next week.The governmenthas allowed it to build new offices there.M:Really?How
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