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八年级英语第二十一单元Mainly revision(总复习)_八年级英语教案-英语教案,试题,论文,听力





章节 第二十一单元

关键词

内容

一、教法建议

【 抛砖引玉 】

  单元双基学习目标

  Ⅰ. 词汇学习

  happily , easily , carefully , worried , feel worried about, pingpong , hard-working

  Ⅱ. 语法学习

  简单句的基本句型 ( 一 )

  ( 1 ) 主语 + 不及物动词:

  He swims .

  They are listening .

  ( 2 ) 主语 + 及物动词 + 宾语:

  She likes basketball

  They know me .

  ( 3 ) 主语 + 系动词 + 表语:

  The bike is new .

  She felt worried .

  Ⅲ. 交际英语:

  What can I do for you ?

  I need to do some shopping .

  I\'m worried about my party .

【 指点迷津 】

  单元重点词汇点拨

  1 . pingpong 乒乓球

  〖 点拨 〗乒乓球也可说 table tennis .

  She plays pingpong very well . 她乒乓球打得很好。

  2 . hard-working 努力工作的

  He is a hard-working teacher . 他是一位勤奋的老师。

  〖 点拨 〗类似的词如:peace-loving爱好和平的。

  3 . happily 幸福地,快乐地
  
  The children are playing happily . 孩子们正愉快地玩着。

  〖 点拨 〗该词为 happy 的副词形式,作状语。happiness是其名词形式。注意:live a happy life过着幸福的生活。

  4 . easily 容易地,轻易地

  We did it easily . 我们很容易地把它做了。

  〖 点拨 〗其形容词为 easy .

  It is easy for sb to do某人干……很容易。It is easy for her to bring the books here .

  5 . carefully 仔细地,小心地

  Listen to the teacher carefully ! 仔细听老师讲 !

  〖 点拨 〗该词为 careful 的副词。careless粗心大意的。carefully = with care认真地。

  You’d better do your homework carefully .

  6 . worried 担心的,烦恼的

  〖 点拨 〗注意 worry 可作动词和名词“担心,焦虑”,be worried about = worry about “对…感到担心”。

  - What’s the matter with you , Tom ?

  - My parents haven’t been back yet . I am worried about it .

  单元词组思维运用
  
  1 . telephone number 电话号码

  What is your telephone number . 你的电话号码是多少 ?

  Perhaps his telephone number is wrong .

  - Is this 9998345 ?

  - Sorry , you have the wrong number .

  2 . do some shopping 买些东西

  We\'re going to do some shopping . 我们打算购买一些物品。

  〖 提示 〗类似词组还有:do sport 从事运动 / do the cooking 烹调,烹饪 / do washing 洗衣服 / do cleaning 做扫除 / do one\'s homework 做家庭作业 / do one\'s lesson 做功课

  Mr . Smith likes doing sport after meals . 史密斯先生喜欢饭后参加体育运动。

  Is Rose going to do washing this afternoon ?

  I don’t like to do shopping with her this afternoon , Mum .

  3 . Please help yourself 请随便吃,请自己动手 ( 拿、吃、抽烟等 )

  Please help yourself to wine . 请随便用酒。

  〖 提示 〗表吃什么,拿什么时,该词组要加介词 to 再加宾语。

  Boys , help yourselves to more bananas and oranges .

  Sir , help yourself to some cigarettes (香烟).

  注意:help sb with帮助某人干…… 。She always helps me with my Chinese on Sunday .

  4 . get ready for 为……做好准备,为……准备好

  Have you got ready for the party ? 这个聚会你已经准备好了吗 ?

  〖 点拨 〗get ready to do准备好干…… 。Please get ready to run , class .

  5 . on the other side of 在……的另一边

  On the other side of the river there are some banana trees . 在河的对岸,有许多香蕉树。

  On the other side of the street there is a book shop .

  〖 提示 〗指两者之中的另一边。

  6 . like to do 与 like doing:

  〖 提示 〗这两者都表示“喜欢做什么”。区别如下:

  like to do 指喜欢做特定的或某次具体的行动,指一时的爱好。

  I like to swim in the river . 我喜欢在这条河游泳。 ( 特定场合的具体行动 )

  ( 试比较:I like swimming . 我喜欢游泳。 )

  like doing 指喜欢做某事,即长期的爱好和兴趣。试比较:

  Do you like swimming ? 你喜欢游泳吗 ? ( 指长期的爱好 )

  Would you like to swim with me tomorrow ? 你愿意明天和我一起去游泳吗 ? ( 特指明天一次具体行动 )
 
  另外:如果用于否定结构,like to do 与 like doing 就没有什么区别,可以换用。如:

  I don\'t like smoking = I don\'t like to smoke . 我不喜抽烟。

  7 . like 与 would like 的区别:

  〖 提示 〗like ( 喜欢,爱好 ) ,后接名词、代词、不定式或动名词。

  Do you like fish ? 你喜欢 ( 吃 ) 鱼吗 ?

  would like 意为“想要,愿意”解时,是 wish 和 want 的意思。用于礼貌性地提出要求或表示愿意提供帮助。其后可接名词、代词、动词不定式。但不能接动名词。

  Would you like something to eat ? 你想吃点什么东西吗 ?

  would like sb to do愿意让某人干 ……。

  My father would like me to go to Beijing with hin this summer .

二、学海导航

【 学法指要 】

  单元句型思路明晰

  1 . as + 副词 + as

  Read this passage as quickly as you can . 你尽快读完这段短文。

  这具句型中第一个 as 为副词,第二个 as 为从属连词,引导程度状语从句。又如:

  He ran as fast as he could . 他尽力地快跑。

  He works as hard as you . 他与你一样努力工作。

  2 . Not… 否定主语的句型

  Not everyone likes sandwiches . 不见得每个人都喜欢三明治。

  not 无论放在句首或句子其它地方,与 all , every 等词连用时,只表示部分否定,又叫做“部分否定句”。如:

  Everyone does not like sandwiches . 每个人不见得都喜欢三明治。

  Not everyone is a worker . = Everyone is not a worker . 不见得每个人都是工人。

  Not everyone agrees with you . 不是人人都同意你的意见。

  Not all people agree with you . 不是大家都同意你的看见。

  单元难点疑点释疑

  1 . What can I do for you ? 你要点什么 ?

  这是对顾客的礼貌用语,还可以说 Can I help you ? 如:

  — What can I do for you ? 你要点什么 ?
  
  — I want to buy a new coat . 我想买件新上衣。

  — Can I help you ?

  — Two cups of coffee . = Two coffees . 请来两杯咖啡。
 
  2 . She felt worried . 她很焦急。

  feel 是连系动词, worried 是形容词,在句中作表语。turn , get , look , be 等动词也是连系动词,都可接形容词构成系表结构。如:

  He felt happy . 他很高兴。

  The trees turn green . 树儿绿了。

  ※ 表示具有某种性质、特征或处于某种状态。常用的有 be , appear , feel , sound , seem , book , smell , taste 等。例如:

  It is not late . 时间还不晚

  The dish smells good . 这道菜闻着香。

  He seemed to be writing something . 他好象在写什么东西。

  His words sounds all right . 他的话听起来有道理。

  ※ 表示动词所叙述的动作和过程所产生的结果;或者表示状态的变化。常用的有:get , go , come , become , turn , grow , fall , prove , run , make 等。例如:

  The custom has now become a rule . 那习俗已变为成规。

  The milk in the cup will go bad . 杯子里的牛奶要坏了。

  Her face turned red .

  ※ 某种持续的状态。常用的有:keep , continue , stand等。例如:

  She knew she must keep calm . 她知道她必须保持镇静。

  ※ 除 make 等个别词外,几乎所有的连系动词都能接形容词作表语。例如:

  Our country is getting stronger and stronger . 我们国家日益强大。

  ※ 接名词作表语的有:become , get , look , make , seem , turn 等。例如:
  
  Now you look a grown-up young man . 现在你看上去已经是一个成年的小伙子了。

  One tree does not make a wood . 独木不成林。

  He used to be a soldier till he turned writer . 他当作家之前曾是战士。
 
  ※ 我们还应注意某些连系词和形容词的固定搭配及其褒贬色彩。比如,come 多接褒义形容词,而 go 则多接贬之形容词。例如:

  come true / right 变为现实 / 正确

  go bad / hungry / mad / blind / deaf / tired / …变坏 / 饿 / 疯 / 瞎 / 聋 / 累……

  grow rich / tall / large / clever / old…变得富裕 / 高 / 大 / 聪明 / 年老……

  fall ill / asleep / silent / …生病 / 睡着 / 沉默……

  3 . I\'m worried about my party . 我正担心晚会呢 ?

  be worried about 意为“为……而担心”。注意该词组表示担忧的状态。如:

  Mother is worried about his health . 母亲担心他的健康。

  Are you worried about the meeting ? 你担心开会的事吗 ?

  4 . I\'ll get another one now . 我现在再拿一根来。

  one ( s ) , other ( s ) the other ( s ) 及 another 的区别:

  one 有下列几种意思:1 ) 可指人或表示一种;2 ) 常用来代替前面刚提到的可数名词,以

避免重复,如可数名词为复数,就要用 ones 来代替;3 ) 表示“一个…,另一个…”用“one…the other…”。

  the others 表示其余的几个,要用定冠词 the。

  others 表示泛指“别人”或“别的东西”,常不加定冠词。

  another 意为“另一个,又一个”强调三个或三个以上人 ( 或事物 ) 中的“另一个”。

  试比较:

  A:Which sweater would you like , the red one or the blue one ? 你想要哪件毛衣,红色的还是蓝色的 ?

  B:The red one . 红色的。

  I have two sisters . One is a teacher , the other is a doctor . 我有两个姐姐,一个是教师,另一个当医当。

  The children are cleaning the classroom . Some are sweeping the floor , others are cleaning the window . 孩子们在打扫教室,一些正在扫地,另一些在擦窗子。

  Lei Feng was always ready to help others . 雷锋总是乐于助人。

  Here are three pencils . One is red , another is blue , the third is yellow .

  这里有三支锅笔,一支是红色的,另一支是蓝色的,还有一支是黄色的。

【 妙文赏析 】

  Not Such a Simple Question

  Alan Chang was a handsome young man with good manners . One morning he was walking along a street on his way to an appointment . He did not want to be early or late . He had forgotten to put on his watch so he went up to a man who was waiting for a taxi .

  “ Excuse me , sir , ”he said , very politely , “ but could you tell me the time ? ”

The man , who was very well - dressed and looked quite rich , said nothing . He did not even look at Alan . Alan spoke to him again . “ Excuse me , sir , ”he said , “ but could you please tell me what time it is ? ”

  This time the man looked at him , but he did not speak and looked quickly away . Alan thought  to himself: Well , he\'s not deaf . He must be just rude .

  “ Why won\'t you tell me the time , sir ? ”he demanded .

  The man turned towards him and said , Try to understand me . I am standing here waiting for a taxi . You come up to me and ask me for the time . If tell it to you , you will thank me . I will say , “ That\'s all right . ”You may then say , “ It\'s a beautiful day , ”to which I may reply “ Yes , I like these sunny winter days . ”

  Before we know what is happening we have a friendly conversation . You are a pleasant , polite young man and so when my taxi comes , I offer you a fide . You accept . We talk . I like you . You like me . I invite you to my home . You meet my daughter . She is a very pretty girl . You are a good - looking man . You like each other . Soon you fall in love . You want to marry . Now do you understand my problem ? ”

  Alan shook his head .

  “ No sir , I\'m sorry , I don\'t . Everything you have said seems very natural to me . ”

  “ Exactly , ”the man said , “ and I do not want my daughter to marry a man who is too poor to buy a watch . Good morning to you . ”And with these words he hurried away .

  注释:handsome 英俊的,manners 礼貌,appointment 约会,well-dressed 穿着考究的,衣着入时的,deaf 聋的,rude 粗鲁的,粗野的,无礼的,demand 请求,要求,

【 思维体操 】

  1 . A man phoned his daughter to ask her to buy a few things he needed for a trip . He told her she would find enough dollar bills for the purchases ( 采购 ) in an envelope on his desk . She found the envelope with“ 98 ”written on it . In a shop she bought 90 worth of things , but when it was time to pay , she didn\'t have 8 left over as she thought she would . In fact , she didn\'t have enough money to pay for all the purchases . By how much was she short ?

  A . 8 . 00 . B . 10 . 00 . C . 6 . 00 D . 4 . 00 .

  2 . Each of the Smith brothers has as many sisters as he has brothers . But each of the Smith sisters has twice as many brothers as she has sisters . How many brothers and sisters are there in the Smith family ?

  A . Four brothers and three sisters . B . Three brothers and four sisters .

  C . Two brothers and four sisters . D . Four brothers and five sisters .

  3 . If a carpenter ( 木工 ) receives twenty-five cents for sawing ( 锯 ) a board into two lengths , how much should he receive for saving the board into four lengths ?

  A . 50 cents . B . 1 , 00 . C . 75 cents . D . 2 . 00 .

  4 . How many times can 19 be subtracted ( 减去 ) from 27 ?

  A . Once . B . Twice . C . Three . D . None .

  5 . Some hens and cats are in a room . They are 36 legs and 15 heads in all . How many hens and cats are there in the room ?

  A . 6 and 9 . B . 7 and 8 . C . 12 and 3 . D . 8 and 7 .

  答案:1 — 5 DAAAC

三、智能显示

【 心中有数 】

  单元语法发散思维

  简单句

  在句子中应注意谓语动词和主语在人称和数上必须一致。

  1 ) 主语 + 不及物动词 ( 谓语 )

  The moon rose . 月亮升起来了。

  另外:在这种句型中,主语可被定语修饰。谓语常被副词、介词词组等修饰,用来说明动作的程度、时间、地点、状况等。如:

  The sun rises . 太阳升起来了。

  The red sun rises . 红太阳升起来了。

  The red sun rises in the east . 红太阳在东方升起。

  2 ) 主语 + 及物动词 + 宾语

  All my friends like to study English and Chinese .

  另外:及物动词除必须有宾语外,还可有修饰语,这点与不及物动词相同。修饰动词的状语通常放在句末。这些状语多数是副词或介词短语,也可用名词短语、不定式短语、分词短语等。宾语可以是名词、代词、不定式等。如:

  They speak English quite well . 他们英语讲得好。 ( 副词作状语 )

  3 ) 主语 + 连系动词 + 表语

  My brother is a singer .My mother is a nurse .

  另外:在这个句型中,连系动词以 be 动词为最多,此外还有 look , become , keep , get , turn 等。表语可以是名词、代词、形容词、介词短语等。

  It\'s getting colder and colder . 天气越来越冷。

  Please keep quiet ! 请保持安静 !

【 动手动脑 】

  单元能力立体检测

  ※ 英汉互译

  1 . 白天 2 . 时常 3 . 继续 4 . 去散步

  5 . 打电话给…… 6 . get warm 7 . at the moment 8 . by the way

  9 . feel happy 10 . take - away food

  答案:1 . day - time 2 . at times 3 . go on 4 . go for a walk 5 . ring up 6 . 变暖 7 . 此刻 8 . 顺便说一下 9 . 感到高兴 10 . 熟食

  ※ 要点分析

  1 . Now you can ______ the food at home .

  A . do B . making C . cook D . doing

  答案 C . do , make , cook 都含有“做”的含义,但用在食物上则只用 make 和 cook , make 侧重于面食的制作,如包饺子,做蛋糕等,而 cook 侧重“烹饪”,句中 can 为情态动词,后加动词 cook 原形。

  2 . I saw him ______ the car , and he went into that shop .

  A . getting on B . getting into C . getting off D . getting out of

  答案 D . 上、下小汽车时不用 get on / off 短语,而要用 get into / out of , 另外前后两分句由 and 连接为并列句,前后动作应一致,不可能上了小汽车又进了商店,所以应选择下车,即 getting out of。

  3 . There ______ water in the bottle .

  A . is no B . is not C . are no D . are not

  答案 A . water 为不可数名词,谓语动词要用单数形式,因此可排除C、D项,另外 no = not any , any 用来修饰 water 不可缺,因此不能只用 is not , 而要选A . is no。

  4 . I didn\'t know why she ______ worried .

  A . is B . felt C . looks D . feeled

  答案 B . 在主从复合句中,除主句为一般现在时的情况外,主从句在时态上一律要保持一致,本题主句为一般过去时,因此从句也要用过去的时态,D项中 feeled 为一种错误的过去式形式,因此选B。

  5 . Miss Liu will never be late , ______ ?

  A . won\'t she B . will Miss Liu C . is she D . will she

  答案 D . never 为否定副词,意为“从来没有”因此陈述部分为否定句,那么反意疑问句的疑问部分要用肯定形式 will,主语 Miss Liu 相对应的人称代词为 she,因此选D,类似这种情况的词还有 hardly ( 几乎不 ) ,few , little ( 几乎没有 ) ,nobody , no one ( 没有人 ) ,nothing ( 没有什么 ) 等。

  ※ 词形变化

  1 . day ( 反义词 ) 2 . long ( 比较级 )

  3 . snow ( 现在分词 ) 4 . cloud ( 形容词 )

  5 . happy ( 副词 ) 6 . country ( 复数 )

  7 . stop ( 过去式 ) 8 . beautiful ( 最高级 )

  9 . stop ( 第三人称单数 ) 10 . we ( 名词性物主代词 )

  答案:1 . night 2 . longer 3 . snowing 4 . cloudy 5 . happily 6 . countries 7 . stopped 8 . most beautiful 9 . stops 10 . ours

【 创新园地 】

  1 . — Hi , Jim1

  — ______

  — It was a pleasure .

  2 . — ______

  — That\'ll be fine . I\'ll tell Mum . I think I\'m free that night .

  3 . — ______

  — Sure .

  4 . — ______

  — Bye !

  A . Goodbye !

  B . I told my parents about it last night . They asked me to thank your mother . We hope you can come to our house for supper next Saturday .

  C . Hi , Ann ! Thank you for supper last night . I enjoyed it very much .

  D . Good . Please give me a ring after you talk to your parents .




  ( 请同学们把填好的答案反馈给我们 )

  答案:1 — 4 C B D A



【 同步题库 】

  Unit 21
  Ⅰ . 单项填空

  1 . There ______ fifty people , not counting the children .

  A . have B . had C . was D . were
 
  2 . There were ten ______ number .

  A . in B . on C . at D . with

  3 . Run as ______ as you can .

  A . faster B . fastest C . the fastest D . fast

  4 . He is always ready ______ others .

  A . help B . to help C . helps D . helping

  5 . This pair is ______ too large . Please show me another pair .

  A . a few B . few C . a little D . a small

  6 . She is ______ to get it down .

  A . short enough B . enough tall C . tall enough D . enough high

  7 . Would you like a little ______ milk ?

  A . much B . many C . more D . most

  8 . We enjoyed ______ at the party last night .

  A . us B . our C . ourselves D . ourself

  9 . The boys in Class One enjoy ______ football .

  A . play B . playing C . to play D . plays

  10 . Why did all his friends laugh ____ him ?

  A . to B . at C . / D . over

  11 . — How about coming with us to the film ?

  — ______ .

  A . I love B . I love to C . I\'d love to D . I\'d love

  12 . What about ______ an early start ?

  A . make B . making C . to make D . made

  13 . — What colour is that eraser ?

  — It\'s ______ .

  A . a orange B . an orange C . the orange D . orange
 
  14 . ______ the chickens before they are hatched ( 孵出 ) .

  A . Count B . Counts C . Not count D . Don\'t count

  15 . ______ is your father\'s birthday ?

  A . Where B . When C . How D . Who

  16 . How many ______ and ______ in your class ?

  A . boy student ; girl ones B . boys student ; girls one

  C . boy students ; girl ones D . boys students ; girls ones

  17 . — ______ Mary\'s telephone number ?

  — 2749588 .

  A . How many is B . How much is C . What\'s D . Which are

  18 . There are two big windows ______ the front wall .

  A . in B . on C . at D . from

  19 . He looked ______ and ill .

  A . worry B . worried C . worrying D . to worry

  20 . — How are you today ?

  — I ______ fine , thanks .

  A . to feel B . am feeling C . feels D . felt

  Ⅱ . 单词填空

  根据上下文,填写一个适当的单词,单词的第一个字母已给出。

  One day Mr Fox came to Mr Hare\'s h______ and said . “Come with me q______ . Mrs Duck h______ six eggs . Come a______ see them . ”

  Mr Hare said , “No , I\'ll n______ come . I\'ll s______ here . ”

  Mr Fox said , “You a______ lazy ( 懒惰的 ) . ”



《八年级英语第二十一单元Mainly revision(总复习)_八年级英语教案-英语教案,试题,论文,听力》

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