山西省2012高考英语二轮复习专题训练:短文改错+写作(26)
山西省2012高考英语二轮复习专题训练 短文改错+写作(7).pdf
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山西省2012高考英语二轮复习专题训练:短文改错+写作(7) 短文改错 该文中共有十处错误,每句中最多有两处,错误涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏字符号(∧), 并在此符号下面写出该加的词。
删除:把多余的词用斜线( \)划掉。
修改: 在错的词下划一横线, 并在该词下面写出修改后的词。
注意:1、每处错误及其修改均仅限一词2、只允许修改十处, 多者(从第11处起) 不计分。
Schedule for Summer English Courses English CoursesTotal Hours of Study and Day-TripDate Tuition(学费)six-week course75 hours of study;five days of tripJuly 6--August 161000 pounds four-week course60 hours of study;no tripJuly 6--August 2600 pounds 1.你选择哪种课程及你选择的理由。
2.介绍你的现有英语水平。
3.你希望在哪些方面有所提高。
4.你的其它要求。
注意:1.开头语己为你写好,不计入总词数。
2.词数:100左右。
Dear Sir(Madam), Thank you for sending me the Schedule for Summer English Courses. _______ ____________________________________________________________________ Li Hua 短文改错:1.去掉as后的the ;2.That 改为What;3.favourite前的girls改为girls’;4. few 前加a;5.interested 改为interesting;6. equal 前的are改为is;7.Therefore改为However;8.students后加who; 9.would 改为will. 10. badly改为well. 书面表达: Dear Sir/Madam, Thank you for sending me the Schedule for Summer English Courses. As for my choice, I’d prefer the six-week course for 75 hours of study. This would allow me more time to see your beautiful country while learning the language. I would like to do some traveling and make a few new friends. I have been learning English for 6 years and now I am able to listen, speak, read and write in English. I hope to take this chance to improve my spoken English as much as possible. Besides, I’d like to stay home for a couple of days so that I can know better about English habits and customs. I believe I will have a wonderful time in England this summer. Li Hua。
山西省2012高考英语二轮复习专题训练:短文改错+写作(80)
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山西省2012高考英语二轮复习专题训练:短文改错+写作(80)短文改错此题要求改正所给短文的错误。
对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:该行多一个词:把多余的词用斜线(\)划掉;在该行右边横线上写出该词,并也用斜线划掉;该行缺一个词:在缺词处加一个漏字符号(∧);在该行右边横线上写出该加的词;该行错一个词,在错的词下划一个横线;在该行右边横线上写出改正后的词。
注意:原行没有错的不要改。
Nowadays, paper still come from trees. Unfortunately, we use a 1. ________ lot of paper every day. We must not waste paper and there will 2. ________ not be any trees leaving on Earth. No trees means no paper. We 3. ________ need 17 trees make one ton of paper. We must start using less 4. ________ paper now because it takes about 100 years of a tree to grow. 5. ________ How can we save paper? Firstly, we can use both the sides 6. ________of every sheet of paper. We can re - use envelope. We can choose7. ________drinks in bottles instead of drinks in cardboard cartons. We can 8. ________ re - use plastic cups and plates instead of paper ones. We can also9. ________use handkerchiefs instead of paper tissues. We can use less paper10. ________shopping bags and we can re - use these paper bags later as well.书面表达根据下面的提示,写一篇约100个单词的英语短文。
山西省2012高考英语二轮复习专题训练 短文改错+写作(50).pdf
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北师大年级第章
6.1 频率与概率
学习目标:.某学校有320名学生,现对他们的生日进行统计(可以不同年)_________.[ ]
A.至少有两人生日相同
B.不可能有两人生日相同
C.可能有两人生日相同,且可能性较大
D.可能有两人生日相同,但可能性较小
A、①②③
B、①②④
C、①③④
D、②③④
4.下列事件是必然事件的是( )
A、重庆人都爱吃火锅
B、某校随机检查20名学生的血型,其中必有A型
C、内错角相等,两直线平行
D、在数轴上,到原点距离相等的点所表示的数一定相等;
一、有400位同学,其中一定有至少两人生日相同吗?若有367位同学呢?说说你的理由.
二、通过本节实验,你发现50位同学中有至少两位同学出生月日相同的频率占多少,估计这个情况的概率是多少?
三、通过本节学习,我们发现有些实验估计起来既费时,又费力,可以用摸球实验或其他模拟实验.
(1)请再回顾一下我们是怎样将复杂的调查转化成模球实验的?
(2)请熟悉你的计算器产生随机数字的操作程序.
四、取出一副扑克中的红桃A至红桃K共13张牌,牌面朝下放在桌面上,每次摸取一张看后放回,共摸取4次,试用计算器产生的随机数进行摸拟实验.
参考答案
一、40位同学中一定有生日相同的两个人,367人中也一定有生日相同的两个人.
二、三、四均为实际操作,略
初中学习网,资料共分享!我们负责传递知识!
?
新知识点要小心呦!。
山西省2012高考英语二轮复习专题训练 短文改错+写作(33).pdf
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⑵求菱形另一条对角线的长.
⑶求菱形的面积.
教材跟踪训练参考答案
填空题
1.都是直角,相等 2.40° 3.32cm
4.等腰,直角,等腰直角 5.90°,45°6., 7. 8.平行四边形,互相垂直,相等,互相垂直且相等 选择题 1.C 2.C 3.C 4.D 5.C 6.B 7.D 解答题 1.∵CD平分∠ACB,DE⊥BC,DF⊥AC, ∴DE=DF,∠DFC=90°,∠DEC=90° 又∵∠ACB=90°,∴四边形DECF是矩形,∴矩形DECF是正方形. 2.∵DE∥AC,DF∥AB,∴四边形AEDF是平行四边形 ,∠EDA=∠FAD,∵∠EAD=∠FAD,∴∠EAD=∠EDA,∴EA=ED,∴AEDF是菱形. 3.提示:运用三角形中位线定理及等腰梯形两对角线相等. 4.连接MD、ME.∵Rt△CBD中M为BC的中点,∴MD=BC,∵Rt△CBE中M为BC的中点,∴ME=BC,∴MD=ME,∵F是DE的 中点,∴FM⊥DE. 5.提示:延长CF、BA交于点M,先证△BCE≌△CDF,得BE=CF. 再证:△CDF≌△AMF得BA=MA,由直角三角形中斜边中线等于斜边的一半,可得Rt△MBP中AP=BM,即AP=AB. 提示:取AB的中点M,连接FM,由∠FAM=∠GFC,AM=FC,∠AMF=∠FCG=135°,可证△FAM≌△GFC,即得AF=FG.. 7.⑴60°和120° ⑵另一条对角线长10cm ⑶菱形面积为50cm2 初中学习网,资料共分享!我们负责传递知识!
求证:四边形CEDF是正方形.
2.已知,AD是△ABC的角平分线,DE∥AC交AB于点E,DF∥AB交AC于点F.
求证:四边形AEDF是菱形.
3.求证:顺次连接一个等腰梯形的各边中点,所得到的四边形是菱形.
2012届步步高高考英语大二轮专题复习与增分策略训练:活页练(26)
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活页练(二十六)1书面表达请你根据下面的图画和图中的单词提示,写一篇英语短文。
注意:1.词数100左右;2.内容充实,文章连贯,条理清楚。
________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________2阅读填空Life should be scheduled properly.The following is what we should do.•Leave Evenings with Yourself.__1__If others ask you to do things those nights,just tell them you have plans.Use the time for gardening,reading,exercising,thinking,or doing nothing!•Monthly Treat.__2__It could be on your lunch break,a weekend,or it could be leaving work early.Maybe you get a treatment,see a movie,a haircut,play golf,or whatever treat you’re always thinking about but rarely get to.Schedule it and it will happen.•Buy Tickets in Advance.Sports,theater,concerts,or any other events you would enjoy.Schedule the plans with a friend later.__3__•Leave Work on Time.Huh?Yes,many of us stay at work late on a regular basis.__4__And then enjoy that time!Leave work at work.•Join a Group.Here are some ideas of groups that can allow you some time away from work and home:singing group,gardening group,book club,biking/walking/running/etc.clubs,ski club,etc.Look up a club in your area today and join!If you can’t find a club,consider starting one yourself!•Take an Adult Education Class.Take a fun class.If accounting is fun for you,then go ahead.__5__•Exercise.For busy people,you should walk at least for 20 minutes in the morning.A.If this is you,make it a point to leave work exactly on time at least once a week.B.Try to save certain weeknights just for you.C.Schedule a treat for yourself once a month.D.If accounting is fun for you,then go ahead.E.Having the tickets already in hand will force you to make it happen.F.Strike while the iron is hot.G.If not,then think about some of these ideas:foreign language,photography,art or creative writing.1.__________2.___________3.__________4.__________5.__________3短文改错When my twentieth birthday came,I was not out home.In order to celebrate so an important day with my parent,I wrote them a letter.In the letter I thanked them for having raised me for twenty years,and express my love for them.Later my mother told me she read the letter,tears filled with her eyes.But my father appeared much cooler.He read it alone carefully,but then he put it away.I can imagine the scene clear because I know my father very much.Be a man with few words,he prefers to show his love for me in silent way.4阅读填空Amazingly for the British,who love queues,there is no formal line-up.__1__You are permitted to try to attract attention,but there are rules about how to do this.Do not call out tapcoins on the counter,snap your finger or wave like a drowning swimmer.__2__—this is used by the landlord to signal closing time.The key thing is to catch the bar worker’s eyes.You could also hold an empty glass or some money,but do not wave them about.__3__If you look too content,the bar staff may think you are already being served.Always say “please”and try to remember some of the British bar staff pet hate.__4__They don’t like people standing foolishly against the bar when there are a lot of customers wanting for service.And they do not like people who wait until the end of the order before asking for such drinks as Guinness Stout which take considerably longer to pour than other drinks.One foreign tourist said,“I cannot understand how the British ever manage to buy themselves a drink.”__5__A.British people are so politely that you won’t have any trouble there.B.They do not like people to keep others waiting while they make up their minds.C.Do adopt an expectancy,hopeful,even slightly anxious facial expression.D.And whatever you do,do not ring the bell hanging behind the counter.E.But they do,and if you follow these tips you should be able to do so,too.F.You can line up to manage what you want.G.The bar staff are skilled at knowing whose turn it is.1.__________2.___________3.__________4.__________5.__________5短文改错A group of scientists were planning to go to the countryside to do some scientific research in order to find out that whether the environment of the country had polluted.In arrival,they started to check the air or water.To our surprise,they found how terribly the situation was.They could see the serious pollution.Look into the cause,they persuaded the government to pass laws to protect the environment and kept the balance of nature.Now everything changed.Birds are singing while tree and grass are waving.答案1书面表达参考范文From the picture I can see a boy trapped by a heavy stone,on which “Laziness”was said.One of the boy’s hands is holding a balloon,which has a word “talent”.However,the balloon can’t help him fly up because of the heavy stone below.The picture really sends a message to us.Even if you are gifted to some degree,you can’t just rely on your talent.Talent is important to your success,but can’t guarantee your success unless you work hard.Working hard is the only way to make sure you reach your goal.So,if you want your dream to come true,you should try hard even if you are quite clever.2阅读填空1.B2.C3.E4.A5.G3短文改错When my twentieth birthday came,I was not outat home.In order to celebratesosuch animportant day with my parentparents,I wrote them a letter.In the letter I thanked them for having raisedme for twenty years,andexpressexpressed my love for them.Later my mother told me ∧whenshe read theletter,tears filled with her eyes.But my father appeared much cooler.He read it alone carefully,butand then he put it away.I can imagine the sceneclearclearly because I know my father verymuch.BeBeing a man with few words,he prefers to show his love for me in ∧a silent way.4阅读填空1.G2.D3.C4.B5.E5短文改错A group of scientists were planning to go to the countryside to do some scientific research inorder to find out that whether the environment of the country had ∧been polluted.InOn arrival,theystarted to check the airorand water.Toourtheir surprise,they found howterriblyterrible the situationwas.They could see the serious pollution.LookLooking into the cause,they persuaded the governmentto pass laws to protect the environment and keptkeep the balance of nature.Now everything ∧haschanged.Birds are singing while treetrees and grass are waving.。
山西省2012高考英语二轮复习专题训练:短文改错+写作(79)
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山西省2012高考英语二轮复习专题训练:短文改错+写作(79)短文改错My family lived on a farm when I was a little boy.We often play games together, such as hide-and-seek. 1. ____One of us would hide and others would try to find him. 2. ____I remember a time I hid behind some old wood in the cottage. 3. ____All was silent. I couldn’t hear a sound, just the wind blow. 4. ____I was scared. And the longer I waited for, the more scared I became. 5. ____Eventual, I heard footsteps coming down the yard. 6. ____I saw my brother getting closer and closer. 7. ____When he saw me, he laughed loudly, shouting in the top of his voice 8. ____so that someone could hear him say, “Eh, I’ve found our Tommy!”9. ____Though it was long time before, I can still see the look on his face today.10. ____书面表达2008年一月中国南方大部分地区遭遇了前所未有的低温暴风雪恶劣天气,请你以王明的名义,根据提示(需适当补充细节),给某报社的编辑写信。
山西省高考英语二轮复习专题训练 短文改错+写作(4)
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山西省2012高考英语二轮复习专题训练:短文改错+写作(4)短文改错假定在英语课上老师要求同桌之间交换修改作文。
请你修改你同桌写的以下作文。
文中共有10处语言错误, 每句中最多有两处。
错误涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏词符号(∧),并在其下面写出该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写出修改后的词。
注意:1.每处错误及其修改均仅限一词;2.只允许修改l0处,多者(从第11处起)不计分。
John, a little boy living next door to me, liked fast food very much. His parents was so busy that they had a little time to cook for him at home. So they often took him eat fast food. That’s because John became overweight. My mother had always told his parents that too much fast food was harmful, and they ignored my mother’s advices. Recently, the doctor warned him never to eat fast food any more after the poor boy has a physical examination. Her parents came to realize what a terribly mistake they had made. Now John’s mother often comes to ask my mother for advice in how to make healthy food.书面表达假设你是某外国语学校的高三学生李华,前两天你在报纸上读到重庆女生张姣以满分成绩考入耶鲁大学的报道,心情十分激动。
山西省2012高考英语二轮复习专题训练 短文改错+写作(62).pdf
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山西省2012高考英语二轮复习专题训练:短文改错+写作(62) 短文改错此题要求改正所有短文中的错误。
对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个勾();如有错误(每行只有一个错误),则按下列情况改正:此行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。
此行缺一个词:在缺词处加一个漏字符号),在该行右边横线上写出该加的词。
此行错一个词:在错词下划一横线,在该行右边横线上写出改正后的词。
注意:原行没有错的不要改。
Time flies as an arrow. I'm already in the second half 1.______ of Senior Grade 3 before I realized it. It is only a little more 2.______ than one month before I graduate middle school. At 3.______ the present, I'm busy reviewing my lessons in order to 4.______ taking the college entrance examination. I hope to go to 5.______ Beijing University, that is one of the best universities not 6.______ only in China but also in the world. I'll try my best to turn 7.______ my dream to reality. Most of my classmates are also 8.______ studying very hard to realize our wishes. I do believe everyone 9.______ will be able to enter a very good university and college. 10.______ 书面表达请根据以下表格中的信息介绍2010年上海世博会:?时间?2010年五月一日——十月三十一日?地点?上海?主题?城市让生活更美好?宗旨?促进城市多元化、经济的繁荣、科技的创新?参展者?200多个国家、机构和7000万人参加,展示各国在工农业、科学、技术、文化艺术方面所取得的成就。
2012高考英语新题分类汇编 短文改错(高考真题+模拟新题)
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2012高考英语新题分类汇编短文改错(高考真题+模拟新题)英语D1[2011·全国卷Ⅱ] 第二节短文改错(共10小题;每小题1.5分,满分15分) 此题要求改正所给短文中的错误。
对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:此行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。
此行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。
此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。
注意:原行没有错的不要改。
Dear George,It’s been a week after we left your family and we are now 76.________back home. Thank you very much for showing them around 77.________your city and providing us for the wonderful meals. After 78. ________we said goodbye to you, we went to W ashington D.C., 79.________where we stayed for three days. My brother was so much fond 80.________of the museums there that he begged my parents to staying 81. ________another couple of day. However, my father had to return to 82. ________work on Monday so we fly back last Saturday afternoon. It 83. ________was really a nice experience. If you’d like to make trip to 84. ________our city some day, I will be better than happy to be your guide. 85. ________Yours,Mike英语D1[2011·全国卷Ⅱ]【解析】Dear George,It’s been a week after we left your family and we are now 76.__since__back home. Thank you very much for showing them around 77.__us__your city and providing us for the wonderful meals. After 78. __with__we said goodbye to you, we went to Washington D.C., 79.__√__where we stayed for three days. My brother was so much\ fond 80.__much\__of the museums there that he begged my parents to staying 81. __stay__another couple of day. However, my father had to return to 82. __days__work on Monday so we fly back last Saturday afternoon. It 83. __flew__was really a nice experience. If you’d like to make ∧ trip to 84. __a__our city some day, I will be better than happy to be your guide. 85. __more__Yours,Mike76. after改为since“It’s been+时间段+since…”为固定句式,表示“自从……有多长时间了” 77. them改为us人称代词指代错误,第一句话中提到的是we。
山西省2012高考英语二轮复习专题训练 短文改错+写作(43).pdf
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4.3 灯光与影子练习一
【知识要点】中心投影的含义,视点、视线、盲区的概念.
【能力要求】了解中心投影的含义,会进行中心投影条件下物体与其投影之间的相互转化,了解视点、视线、盲区的概念.
【基础练习】
1.直立在地面上的两根长度相等的木杆,在路灯下的影长相等吗?为什么?
2.晚上,同学们在马路上列队行走,班长命令:“注意队伍整齐,每两人间应保持一个人影长的距离!”你认为班长的命令正确吗?为什么?
3.在同一盏路灯下,直立在地面上的两根木杆,如果A木杆的影子比B木杆的影子长,是不是说明A木杆比B木杆长?为什么?
4.举出几个生活中的中心投影的例子.
【综合练习】
如图4-7,请画出直立在地面上的两根木杆在路灯下的影子.
【探究练习】
夜晚,小琴站在台灯前,墙壁上出现了她的影子,如果她慢慢向墙壁靠近,影子的大小会发生怎样的变化?如果她站着不动,请妈妈把台灯挪远些,这时墙壁上影子的大小又会发生怎样的变化?
4.3 灯光与影子
练习一
【基础练习】1.一般来讲,不相等. 因为影长与木杆离路灯的距离有关. 2.不正确,因为人运动时,他在路灯下的影长是不断变化的. 3.不是. 4.略.
【综合练习】略.
【探究练习】略.
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2012年高考英语短文改错_真题汇编(含解析)
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2012年高考全国英语试题分类汇编:短文改错1.【2012全国新课标】第一节短文改错(共10小题;每小题I分,满分10分)假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文.文中共有10处语言错误,每句中最多有两处。
每处错误仅涉及一个单词的增加、删除或修改。
),并在其下面写出该加的词。
增加:在缺词处加一个漏字符号(^删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写出修改后的词。
注意:1.每处错误及其修改均仅限一词;2.只允许修改10处,多者(从第11处起)不计分。
I learned early in life that I had to be more patient and little aggressive. From the time Iwas about four until I was about six, I destroyed each of my toy. Iwas happy when the toys worked, but when things did wrong, I got angry and broke it. For a while parents bought me new toys. But before long they beganto see which was happening. When I tear apart my fifth birthday toy train, my father said, "That's it. No more toys to you." My punishment lasted a year. Meanwhile, I found out that with more patience I must make my toys to last.My attitude changed from then on.1.【答案】little---less【解析】根据文意:我不得不多一些耐心而少一些挑衅性。
山西省2012高考英语二轮复习专题训练 短文改错+写作(30).pdf
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1012+2×101×99+992=(101+99)2=(__________)2=__________.
§2.3 公式法
班级: __________
姓名:__________
一、填空题
1.配方法解一元二次方程的基本思路是:
a,b,c的值代入公式,x1,2=____________求得方程的解.
4.方程3x2-8=7x化为一般形式是________,a=__________,b=__________,c=__________,方程的根
x1=__________,x2=__________.
二、选择题
1.用公式法解方程3x2+4=12x,下列代入公式正确的是
3.一般形式 二次项系数、一次项系数、常数项 b2-4ac≥0
4.3x2-7x-8=0 3 -7 -8
二、1.D 2.B 3.B 4.D
三、1.解:a=5,b=2,c=-1
∴Δ=b2-4ac=4+4×5×1=24>0
∴x1·2=∴x1=2.解:a=6,b=13,c=6 ∴Δ=b2-4ac=169-4×6×6=25>0 ∴x1·2=∴x1=-,x2=- 3.解:整理,得:x2+6x+2=0 ∴a=1,b=6,c=2 ∴Δ=b2-4ac=36-4×1×2=28>0 ∴x1·2==-3± ∴x1=-3+,x2=-3- 四、解:若A=13,即4x2+2x-1=3x2-2 整理,得x2+2x+1=0 ∴(x+1)2=0,∴x1=x2=-1 ∴当x=-1时,A=13. 初中学习网,资料共分享!我们负责传递知识!
A.x1、2=B.x1、2=C.x1、2=D.x1、2=2.方程x2+3x=14的解是
2012届高考英语专题强化复习短文改错及书面表达
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2012届高考英语专题强化复习短文改错及书面表达写作试题:满分35分,主要考查考生书面表达能力,例如写正确句子的能力、使用精彩词汇、短语的能力、所写文章逻辑性强的能力等。
并且在有限的时间内容,快速写出好句、好文。
本课程要帮助学生掌握快速写句、写文、改错的方法。
强化训练一结构课程内容:短文改错/ 开放性作文课程目标:把握改错方法,提高改错速度课时:3教学建议:1、训练前教师可以安排学生思考高分作文的要素写作考商在写作前你是否先列提纲?是否先写初稿,然后再修改、定稿?写作过程中,会注意语法使用,尤其时态的使用是否正确?会尽量避开生僻的词汇和没有把握的表达方法吗?会用简单的语句间的连接成分,使文章结构紧凑吗?是否能在高考前背诵30-40篇优秀范文吗?2、限时训练后,教师启发学生自查问题,欣赏范文,明确问题3、教师可以在表达方面进行重点说明,例如一词多义,短语优先,句式多样、连词使用。
4、短文改错核对答案后,教师要及时带读,巩固成果,提高语感,如果时间容许教师可当堂安排短文背诵默写,强化正确意识,学生才会对错误敏感。
5、写作限时训练后,教师要安排自查自改环节,然后再范文分析,通过范文分析反思自己写的文段。
教师也可以根据学生的问题进行即兴强化训练,例如造句、翻译练习,巩固短语、连词等使用能力。
6、教师可以根据学生情况,灵活处理所提供的素材,例如短文改错的文段改为听写、短文翻译(中译英)等。
仿真训练1(做题时间:10分钟)短文改错One day, while my friend and I was traveling through 1. _________Germany, we were not very hungry but we only had a little 2. _________money. We decided stop at a village market to buy 3. _________something to eat. We choose the cheapest biscuits and 4. ________ate it under a tree. We thought the biscuits were great. 5. ______“Let’s got some more,” I said, “They’re cheap and they 6. _____really taste well.” My friend could read some German, but 7. _________I couldn’t, and I gave her the biscuit bag to find the name. 8. _________She looked at it and started to laugh, “How are you laughing?”9. _________I asked. “Because they’re dog biscuits!” She said. 10. _________解题技巧点评短文改错通常考查以下几点:1.一致性:时态、人称、数2.动词用法:包括非谓语(动名词、分词、不定式)、系动词(后接形容词)、及物动词(无需介词,直接跟宾语)或不及物动词(需加介词,再跟宾语)等。
山西省2012高考英语二轮复习专题训练 短文改错+写作(32).pdf
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7、(分)如图:已知梯形ABCD中,ABCD,AD=BC,点E是底边AB的中点, 求证:DE=CE 综合应用创新参考答案 学科内综合题1.一个,两个,提示:为以BC为对角线,和都是以BC为一边。2.C 提示:由可得FD=BE,OE=OF,即 四边形ABEF的周长即为AB+AD+EF=15,故选C。3.C 提示:由②可证得两组对角分别相等,由③可证得对角线互相平分 ,故选C。4.C 提示:顺次连接四边形各边中点得一个菱形,则原四边形必须具备对角线相等的性质,各选项中只有菱 形不具备这一性质,故选C。5.梯形ABCD是等腰梯形,,即。在与中,。 综合应用创新1.方法一:取各边中点顺次连接;方法二:将一边四等分,把分点与这边相对的顶点连接。2.B D C提示:求出OB=3,OD=,CD=AB=5。即可写出各点的坐标。3.⑴这个小三角形的周长为;⑵由于第一个三角形的周长 为,第二个小三角形的周长为。依此类推可得第个小三角形的周长为。4.EF=(AD+BC)⑴在与中⑵由①结论可得EF是 的中位线⑶EF为的中位线,。又。即得证。 中考模拟题 1.⑴连接BF;⑵DE=BF;⑶四边形ABCD是平行四边形,,,在和中,。。 说明:本题答案不唯一,连接DF,添DF=BE也可以。 2.20. 提示:.。,又 3.BE=DF,BF=DE,等均可。 4.B。提示:由∽可得DP=DB,同理BQ=DB,即DP=PQ=QB,由 ≌可得AP=CQ,同样由∽可得2MQ=CQ。 但由于,而,故④不正确。 5.B.提示:将两块三角板的斜边拼在一起可得正方形,将一条直角边拼在一起可得等腰直角三角形和平行四边形 ,故应选B。 6.结论可以是:四边形ABCD是平行四边形。 ∵四边形AEFD是平行四边形,∴AD//EF,AD=EF。 ∵四边形EBCF是平行四边形,∴BC//EF,BC=EF。 ∴AD//BC,AD=BC,∴四边形ABCD是平行四边形。 说明:本题结论也不惟一,也可以是AB//CD,AB=CD等等。 7.∵梯形ABCD中AD=BC,∴。 在与中 ∴≌∴DE=OE。 初中学习网,资料共分享!我们负责传递知识!
山西省2012高考英语二轮复习专题训练 短文改错+写作(15).pdf
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6.3.2 生日相同的概率(二) 教学目标 (一)教学知识点 能利用计算器或计算机等进行模拟实验,估计一些复杂的随机事件发生的概率. (二)能力训练要求 1.经历实验、统计等活动过程,在活动中进一步发展学生合作交流的意识和能力. 2.鼓励学生的思维多样化,避免思维的单一性. (三)情感与价值观要求 1.鼓励学生积极参与数学活动,培养学习数学的兴趣. 2.形成实事求是的态度以及进行质疑和独立思考的习惯. 3.在数学活动中获得成功的体验,锻炼克服困难的意志,建立自信心. 教学重点 利用计算机或计算器等进行模拟实验。
估计一些复杂的随机事件发生的概率. 教学难点 用模拟实验代替实际凋查,估计一些随机事件的概率. 教学方法 探索交流法. 教具准备 若干个大小相同的球. 计算器. 教学过程 Ⅰ.创设问题情境,引入新课 [师]我们上节课利用全班的调查数据设计了不同方案。
估计6个人中有2个人生肖相同的概率.要想使这种估计尽可能精确,就要尽可能多地增加调查对象,而这样做既费人力又费物力.能不能不用调查即可估计出这一概率呢?请同学们在小组内交流,思考具体方案. Ⅱ.讲授新课 [生]不同的生肖有12个,而我们要估计的是6个人中有2个人生肖相同的概率.可以设计一个自由转动的转盘,并将其等分成面积相等的十二个扇形.分别在每个扇形区域标出相应的生肖或绘出相应的生肖图,然后自由转动转盘6次,记下每次转出的生肖,为一次实验.重复多次实验,即可估计出6个人中有2个人生日相同的概率。
[生]也可以取扑克牌中任何一种花色12张分别代表12个生肖.这样每个人的生肖都对应着一张扑克牌.6个人中有两个人生肖相同.就意味着6张扑克牌中有2张扑克牌完全相同.因此,我们充分“洗”过这12张扑克牌后,从中抽取一张,记下它的牌面数字,放回去;再重新“洗”牌,从中抽取一张,记下它的牌面数字,放回去……直至重新“洗”牌后.从中抽取一张,记下第6个牌面数字。
山西省2012高考英语二轮复习专题训练 短文改错+写作(69).pdf
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学 生 自 主 学 习 方 案七年级 班 小组: 姓名: 科 目语文课题编号7-1-034设 计刘 瑾审核呼雄芳督查李延刚课时2学习目标1、有感情地朗读并背诵这两首诗。
了解这两首诗的写法和思想感情。
理解诗中联想和想像的作用,培养联想和想像的能力。
郭沫若,四川乐山人。
著名诗人、学者。
他的诗歌的代表作是诗集《女神》和《星空》。
《星空》写于1921年至1922年,当时是五四运动后,诗人最苦闷的时期。
当时诗人正在日本留学,其间两度回国。
面对当时中国的现实,诗人感到失望和痛苦,他痛恨黑暗的现实,向往光明的未来。
但五四时期那种勇猛的反抗精神和烈火般的热情已经消退,在《星空》中诗人流露出较浓的失望和悲愁情绪,但也表现了要求奋飞、新生和自由的愿望。
本课两首诗都是选自《星空》。
《天上的街市》 注音并解释词义:缥缈( ): 定然: 划分诗句朗读节奏,标出重音: 远远的街灯明了,好像闪着无数的明星 天上的明星现了,好像踮着无数的街灯 2、全诗共四个小节,哪些是写实的,哪些是写想像的? 请你概括出诗人所想像的内容。
合作探究(先独立完成,再小组合作探究) 课文中想像的牛郎织女的生活跟神话故事中的牛郎织女的生活有什么不同?是通过哪些词语表现出来的? 诗人想像,对传说中的故事大的改动表了诗人什么样的思想感情? 3、诗中反复出现的“定然”“定”有什么作用? 仿照示例,发挥你的想象和联想,续写下面的句子。
示例:天上的明星现了,好像点着无数的街灯。
牵牛花开放了, 笼中的小鹦鹉, 巩固检测 背诵这首诗,。
《静夜》 诵读, 2、这首诗哪部分写实哪部分想像想像 合作探究(先独立完成,再小组合作探究) 学生自己朗读第一节,描述一下作者所描绘的夜景景象。
3、这首诗的两个小节之间有着什么内在联系? 你最喜欢诗中的哪些句子?为什么? 背诵这首诗,。
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山西省高考英语二轮复习专题训练 短文改错 写作(24)
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山西省2012高考英语二轮复习专题训练:短文改错+写作(24)短文改错假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。
文中共有10处语言错误。
错误涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。
删除:把多余的词用斜线(/)划掉。
修改:在错的词下划一横线,并在该词下面写出修改后的词。
注意:1.每处错误及其修改均仅限一词。
2.只允许修改10处,多者(从第11处起)不记分。
In my village children are left school for various reasons. Some families are so poor to send their children to school, and they had to earn money to support their families. Many parents do not think them useless to send their children to school. They would rather let their children staying at home. I feel worried this. I think every of child should have a chance to go to school . We should pay attentions to the education of children, for we will play an important part on our socialist construction in the future. Ways must be found prevent children from leave off their studies.书面表达假设你是李华,作为友谊中学高三毕业生的学生代表,请你根据以下要点在毕业典礼上用英文作一个告别演讲:1. 首先感谢家人,朋友和老师;2. 其次对高中生活简要回顾;3. 最后对未来以展望。
山西省2012高考英语二轮复习专题训练 短文改错+写作(26).pdf
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2.2 配方法 【知识要点】用开平方法、配方法解一元二次方程. 【能力要求】会用开平方法、配方法解简单的数字系数的一元二次方程,能跟据具体问题的实际意义检验结果的合理性. 练习 【基础练习】 填空题: 1.-2x2 + -2=-2 (x )2 + ( ); 2.用配方法解方程2x2 -4x +1=0的根是 ; 3.用配方法解方程2x2 -x -15=0的根是 ; 4.用配方法解关于x的方程mx2 -x -1=0 (m > 0)的根为 . 二、选择题: 1.若9x2 -ax +4是一个完全平方式,则a等于( );A. 12B. -12C. 12或-12D. 6或-6 2.用配方法解方程2x (x -1)=5 (x -1), 的方程的根为( ).A. x=B. x=1C. x1=, x2=1D. x1=, x2=1 三、解答题: 1.用配方法解下列方程: (1)4x2 -4x -1=0; (2)7x2 -23x +6=0. 2.当x为何值时,代数式5x2 +7x +1和代数式x2 -9x +15的值相等? 【综合练习】 试证:不论k取何实数,关于x的方程 (k2 -6k +12)x2=3 - (k2 -9)x必是一元二次方程. 【探究练习】 已知方程 ()x2 + ()x - 4=0的一个根是-1,设另一个根为a, 求a3 - 2a2 - 4a的值. 练习 【基础练习】一、1. - , - ; 2. 1±; 3. - , 3; 4. . 二、1.C; 2. C. 三、1. (1),( 2)3,; 2. . 【综合练习】提示:证明二次项系数k2 -6k +12≠0. 【探究练习】a3 - 2a2 - 4a=0. 初中学习网,资料共分享!我们负责传递知识!。
山西省2012高考英语二轮复习专题训练 短文改错+写作(24).pdf
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∴a=b=c,∴△ABC为等边三角形
初中学习网,资料共分享!我们负责传递知识!
(1)经过多少秒钟,球飞出的高度为10m; (2)经过多少秒钟,球又落到地面.
8.在△ABC中,三边a、b、c满足:a+b+c=,a2+b2+c2=,试判断△ABC的形状.
A卷答案
1.(1) (2)9x2, (3)12x,+3 (4) (5)
2.(1)1,4 (2)0.2,0.46 (3) (4)
3.c 4.B
B卷答案:
5.(1)
(2)
(3)
(4)
6.(1)原式=(2)原式=7.(1)2秒或5秒 (2)7秒
8.∵a+b+c=,∴(a+b+c)2=即a2+b2+c2+2(ab+bc+ac)=,
∴ab+bc+ac=∴a2+b2+c2=ab+bc+ac,∴ [(a-b)2+(b-c)2+(a-c)2]=0,
(4)x2+x-2=(x+________)2+_______.
二、选择题
3.方程x2-6x-5=0左边配成一个完全平方式后,所得的方程是( )
A.(x-6)2=41
B.(x-3)2=4; C.(x-3)2=14
D.(x-6)2=36
4.方程3x2+x-6=0左边配成一个完全平方式后,所得的方程是( )
(5)x2+x+_______=(x+_______)2.
2.用配方法使下面等式成立:
(1)x2-2x-3=(x-______)2-_______;
山西省2012高考英语二轮复习专题训练 短文改错+写作(19).pdf
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§6.4 池塘里有多少条鱼 教学目标 (一)教学知识点 进一步体会概率与统计之间的联系,用样本去估计总体的统计思想. (二)能力训练要求 1.结合具体情境.初步感受统计推断的合理性. 2.形成解决问题的一些基本策略.体验解决问题策略的多样性,发展实践能力和创新精神. 3.学会与人合作,并能与他人交流思维过程和结果. 4.初步形成评价与反思的意识. (三)情感与价值观要求 1.积极参与数学学习活动.对数学有好奇心和求知欲. 2.初步认识数学和人类生活的密切联系及对人类历史发展的作用,体验数学活动充满着探索与创造,感受数学的应用意识. 教学重点:1.结合具体情境,初步感受统计推断的合理性. 2.进一步体会概率与统计之间的关系. 教学难点:结合具体情境,初步感受统计推断的合理性. 教学方法:活动探究法. 教具准备:多媒体演示. 教学过程 Ⅰ.创设问题情境,引入新课 [师]同学们都知道在《西游记》里有一个深受大家喜爱的人物,他神通广大,只要有妖魔出入的地方总有他的身影…… [生]孙悟空、孙大圣…… [师]但这个无所不能的大圣今天却遇到了一个难题,听老师细细给你们讲来: 话说孙悟空弃了养马的官,从天宫回到花果山之后,树起了齐天大圣的旗帜,天天练兵,准备与玉皇大帝派来的天兵天将决一死战. “立正!”大圣向小猴兵们发出号令. “嘻嘻!什么立正?”这些小猴子仍在叽叽喳喳,东蹦西跳.有话说“猴子屁股坐不住”,其实“猴子双腿也立不正”. “重来一遍,立正——报数!” “嘻嘻!报什么数?” 大圣面对着这群小猴子,心中有点不快,训练了几天,立正,稍息,报数,样样都不成. “连究竟有多少猴兵也弄不清,这可怎么办呢?”大圣束手无策了. “这好办,”大圣的参谋长在一旁说. “你有什么好的主意?” “立正,报数这一套在花果山上行不通,大圣,您干脆把这些猴兵放了吧!” “集合起来,还东溜西窜的,放了还数得清数目?” “放假三天,一定能数清.” “你别说胡话了!”大圣不悦地说. 参谋长在大圣耳边轻轻说了一番,喜得大圣拍手叫好. “参谋长,真有你的!” 原来参谋长有他的妙计. 第二天,大圣和参谋长,在小猴兵中随意拉了100只猴子,将这些猴子头上的毛剃去一片,然后叫他们归队. 大圣向众小猴宣布:“这些日子来,训练很有成绩,因此本大圣决定放假三天.” 大圣的话音未落,小猴兵们早已跑得无影无踪了. 你知道孙大圣的参谋长想出了怎样的妙计吗? 其实在我们生活中也遇到过和孙大圣同样的问题.例如:要想知道鱼缸里有多少条鱼,只要数一数就可以了,但要估计一个鱼塘里有多少条鱼,该怎么办呢? 通过这节课的学习,相信大家一定会有切实可行的办法. Ⅱ.讲授新课 [师]我们先考虑一个比较简单的问题——摸球问题(多媒体演示).一个口袋中有8个黑球和若干个白球,如果不许将球倒出来数,那么你能估计出其中的白球数吗? 请同学们对此问题展开讨论,获得一定的方案. [生]根据我们学过的求概率的方法.如果一个袋子里有2个白球,3个黑球,任意摸出一个球是黑球的概率有两种求法.一种是理论概率的求法,因为任意摸出一个球有5种等可能的结果,而摸出的是黑球有3种等可能的结果,所以任意摸出一球是黑球的概率为;一种是用实验的方法,任摸出一个球叫做一次实验,当实验次数很大时,实验频率稳定于理论概率,据此来估计任意摸出一球是黑球的概率.因此一口袋中有8个黑球和若干个白球,设白球有x个,则从袋中摸出一球是黑球的概率为;然后我们通过多次实验,我们又可以估计出从口袋中随机摸出一球是黑球的概率,利用它和约相等,即可估计出自然数x. [生]也可以用抽样调查的方法,从口袋中随着摸出10个球,求出其中黑球数与10的比,再把球放回口袋中,不断重复上述过程.通过这样多次抽样调查,求出样本中的黑球数与10的比值的“平均水平”,这个“平均水平”根据抽样的随机性应近似于,据此也可以估计出x的值. [师]通过我们这两位同学解释,初步感受到统计推断的合理性,体会了统计与概率之间的关系. 下面是小明和小亮的做法,是不是和你们想法有点不谋而合的感觉. 多媒体演示: 小明是这要做的:从口袋中随机摸出—球,记下其颜色.再把它放回口袋中,不断重复上述的过程,我们共摸了200次,其中有57次摸到黑球,因此我估计口袋中大约有20个白球. 你能说说他这样做的道理吗? 小亮是这样做的:利用抽样调的方法。
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山西省2012高考英语二轮复习专题训练:短文改错+写作(26)改错
此题要求改正所有短文中的错误。
对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个勾( );如有错误(每行只有一个错误),则按下列情况改正:
此行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。
此行缺一个词:在缺词处加一个漏字符号( ),在该行右边横线上写出该加的词。
此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。
注意:原行没有错的不要改。
According to a survey, quite few junior and senior students 1.______
visit Internet bars frequent. They are there mainly to play games. 2.______ Worse still,many of whom even look at some unhealthy pictures. 3.______ Some of the students sometimes stayed in the bar for a whole night. 4.______
All these have a bad effect not only on their studies but also 5.______
on their health. And it is no doubt that Net bars do no good to 6.______ students. I think students should make the full use of time, work 7.______
hard at their lessons and try their best to gain more knowledges 8.______
in order to have a bright future. I’m sincerely called on these9.______ students who are addicted to Net bars to keep far away from it. 10.______
书面表达
下图中,欧阳的妈妈正在与老师交谈,请根据图画所给提示,用英语写一篇短文。
要求:1.简述图片内容;2.说明该现象;3.写出自己的感想。
注意:
词数150左右,开头已经写好,不计入总词数。
One day, OuY ang’s mum was talking with his teacher.
1.few前加a
2.frequent-frequently
3.whom—them
4.stayed—stay
5.正确
6.it—there
7.去掉the 8.knowledges—knowledge 9. called—calling
10.it—them
One possible version:
O ne day, OuYang’s mum was talking with his teacher. When the teacher asked
OuY ang’s mum what shortcomings he had, the mother talked a lot. While being asked about her son’s advantages, she kept silent, not knowing what to say.
The picture reflects a real problem in our daily family life. The parents try to satisfy their children physically, arranging everything for their children. As a result, they expect their children should get good marks in return. They think the children must follow their advice, no matter whether it is suitable to their children. However, when children don’t obey their will or can’t live up to their expectations, they will complain a lot. In a word, too much complaint and little communication make the love selfish.
In my opinion, parents should communicate with their children as much as possible. Only in this way can children and parents understand each other. I believe mutual understanding and toleration can make them both happy.。