八年级下册英语知识导图|八年级英语下册Unit5知识讲解

八年级英语教案 2013-01-03 网络整理 晴天

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unit 5
 if you go to the party,you’ll have a great time!
         【单元目标】
  ⅰ.单词与短语
  late    sorry    organize     professional     against
  chance   injured   consequence   explain improve       
  all the time     一直,始终     in order to     为了
  have a party     举行聚会       go to college    上大学
  be famous for    因……而著称    in fact       事实上
  laugh at       嘲笑            too much       太多
  get exercise     锻炼            travel around the world   周游世界
  work hard      努力工作        wear jeans      穿牛仔裤
  get an education  获得教育
 
  ⅱ.sentence structures:
  1. if you do, you’ll…          2. i’m going to …
  3. you should…                  4. don’t you want to …?
  5. don’t you think … ?
  ⅲ.语法小结
  1. if条件句
  2. 现在进行时表示将来的时间
  一. if条件句
  1. if条件句:条件句用于陈述语气,表示假设的情况可能发生,其中 if 是“如果”的意思。
构成  条件从句  主句
时态  if+一般现在时  主语+shall/will+动词原形
例句  if he comes,  he will take us to the zoo.
2. 用法:
  (1)条件状语从句通常由连词if引导,意为“如果、假如”,主句不能用be going to表示将来,而应该用shall,will。
if you leave now, you are never going to regret it. (错误)
if you leave now, you will never regret it. (正确)
  (2)if “如果”,引导条件状语从句,if从句则用一般现在时,主句用一般将来时。如:
    if it rains tomorrow, i shan’t climb the hills.
if i go to college, i will never become a great soccer player.
    注意宾语从句中的if与条件状语从句if的区别。宾语从句中的if“是否”相当于 whether,引导宾语从句,时态需根据语境确定。
    i don"t know if it will rain tomorrow. 我不知道明天是否会下雨。
  二. 现在进行时表示将来的时间
  1. 用be doing表示将来:主要意义是表示按计划、安排即将发生的动作,常用于位置转移的动词,如:go,come,leave,arrive等, 也可用于其他动作动词,如:
  we are having fish for dinner. 我们晚饭吃鱼。
  we are moving to a different hotel the day after tomorrow. 后天我们会去另外一个旅馆。
  这种用法通常带有表示将来的时间状语,如果不带时间状语,则根据上下文可表示最近即将发生的动作。1234567
  a: where are you going?
  b: i am going for a walk. are you coming with me?
  a: yes, i am just coming. wait for me.
  2. 现在进行时表示将来和用be going to 表示将来意思比较接近,但是现在进行时更强调事先已安排好,即将去做的事情, 而be going to 一般只表示打算做某事,有做某事的意图。我们来看两个例子:
  she is having a meeting at 9 tomorrow. 她明天早晨9点有个会。
  we are leaving for london next week.我们下周出发去伦敦。
  这两个句子里就是用现在进行时表示将来已经安排好要做的事情。

iv. 重点难点分析
  1. too much 和 much too
  too much 后接不可数名词,用来表示数量太多,意思是“……太多了(数量多)”;much too后接形容词,用来说明程度的,意思是“太……(程度深)”如:
  much too heavy 太重了 (表程度)
  错误:he has drunk much too water.
  正确:he has drunk too much water. 他喝了太多的水。(修饰不可数名词,表数量)
  2. be famous for 和 be famous as
  be famous for表示“因……而出名”, for后接表示出名的原因;be famous as则表示“以……身份而著名”,as 后接职业、身份或地位,表示作为……职业、身份或地位是著名的,如:
  france is famous for its fine food and wine. 法国以其佳肴和美酒著名。
  france is famous as a romantic country. 法国作为一个浪漫的国家而出名。
 
3. i want you to remember the rules for school parties.
我想让你记住参加学校聚会的规则。
want sb.  to do sth. 想让某人做某事
 
4. travel around the world 周游世界
e.g. her dream is to travel around china.   她的梦想是周游全中国。
 
5. if we have it today, half the class won’t come.
如果我们今天开聚会,全班有一半的同学将不来参加。
won’t 是 will not 的缩写
if 从句用一般现在时,表示假设,主语用一般将来时。
 
6.reasons for becoming a professional athlete  赞同成为一名职业运动员的理由
for   prep. (表示赞成、支持),其反义词为against
eg. are you for his plan or against it? 你是赞成还是反对他的计划?
   which team did you vote for? 你投票给哪一个队(组)?
 
7.reasons against becoming a professional athlete  反对成为一名职业运动员的理由。
against   prep. 反对,与…对抗
注意:介词后面用名词或动词ing的形式
eg. are you against my plan? 你反对我的计划吗?
   our played against no.1 middle school at basketball yesterday. 我校和一中昨天比赛篮球。
 
8.begin the story  with the words.以这些话开头讲这个故事。
 begin … with… “以…开始(开头)”
eg. the word begins with “s”.这个词以“s”开头。
        does he know that a year begins with january?
 
     9.  consequence 后果、结果
        eg. we should consider the consequences before doing.1234567
  
    10. have a great time 玩得高兴
  
    11. take away 运走,取走
       eg. don"t take it away. i"ll use it.  不要将它拿走,我要用。
 
    12. make a living 谋生
   v   eg.he makes living as a driver.  他以开车谋生。
   
    13. make money  挣钱
     eg. after he became famous, he made lots of money.
   
    14. let in 允许……进入,嵌入
     eg. don’t let the beggar in.  不要让那个乞丐进来。
 
ⅴ.课文详解
1. for many young people, becoming a professional athlete might seem like a dream job.
 对许多年青人来说,成为一名职业运动员可能似乎是一份理想的职业。
 might (表示可能性,推测)
 might do 或许,说不定(一般表示比may 较低的可能性)
eg. she might win the prize .她或许会获得那个奖。
      the child might be home already.那孩子说不定已回家了。
seem like+ 名词 好像…,似乎…
e.g. it seems like years since we last met. 我们似乎好几年不见了。
 
2. you"ll be able to make a living doing something you love. 你能做你喜欢的事来谋生。
 be able to +动词原形,“有能力做某事”
e.g. she is able to learn english well. 她能学好英语。
       doing something you love.做你喜爱的事。
you love 定语,修饰前面的something。
 
3. people all over the world will know you.全世界的人将会认识你。
  all over the world 作定语,修饰它前面的名词people。
 
4. this is a great chance that many people do not have.
这是一个许多人所不能得到的难得的机会。
that many people do not have是一个定语从句,修饰它前面的chance。
great (表示程度,放在名词之前)非常的,异乎寻常的
eg. a great talk 健谈的人
         she is a great friend of mine. 她是我非常要好的朋友。
 
5. watch you all the time and follow you everywhere.一直看着你,你走到哪都跟着你。
all the time 一直
eg. look! the monkeys are running and jumping all the time.看,猴子们一直在跑在跳。
everywhere  副词(adv.)到处
i"ve looked everywhere for it.为了找它,我到处找了个遍。
the dog followed him everywhere.无论在哪,那狗都跟着他。
 
6. get injured =be injured 受伤
injured (adj)
eg. he was badly injured in the accident.他在那次事故中受了重伤。
 
7. you"ll have a difficult time knowing who your real friends are.
你将很难知道谁是你真正的朋友。
who your real friends are是一个宾语从句,它作knowing一词的宾语,这是一种“特殊疑问词+陈述语序的”宾语从句。1234567
e.g. i don’t know where he is from.我不知道他来自哪里。
特殊疑问词+陈述语序
can you tell me how old he is? 你能告诉我他多大吗?
how old he is是宾语从句。
 
8.i can’t remember how to get to your house.我记不起来怎样去你家了。
how to get to your house是不定式作remember 一词的宾语(此处不定式是指一个特殊疑问词+to+动词原形)
这个不定式短语可以用宾语从句来替换如下:
i can’t remember how i can get to your house.
e.g. can you tell me how to get to luxun park?
          we know who we will ask.
 
9.get enough exercise 得到充分的锻炼
   exercise 名词,“锻炼”
 
10.go back home 回到家,此句可以换成return home
 
11. laugh at you 嘲笑你  laugh at sib.嘲笑某人
  e.g. don’t laugh at a person who is in trouble.
  我们不要嘲笑陷于困境的人。
 
12. how many aliens dye their hair brown? 多少外星人把他们的头发染成棕色?
dye  v.把…着色,染色
 she dyed her white skirt green.她把白色裙子染成绿色的。
 
ⅵ.词语辨析
1.get to 与arrive
get to 与arrive均为“到达”之意。
①get to后面接名词,e.g. get to shanghai/new york
但“到达这里/那里”则为get here/ get there。因为here和there为副词,所以它们前面不加to。
②arrive是不及物动词,它后面不能直接跟名词,必须与介词in/或at连用之后+名词。
e.g. they arrived at jim’s house at 2p.m.  (小地点之前用介词at)
     when did they arrive in beijing?   (大地点之前用介词in)
     i didn’t know when he arrived.   我不知道他何时到达的。
此处arrived后面不需要宾语,故也不要加in或at。
“到达这里/那里”则改为arrive here/ there
“到家”则为”arrive home”,因为here, there, home均为副词,所以不加in/at。
 
2. join和take part in
join与take part in均为“参加”之意,是动词
①但join后面跟一个组织,政党,社团,团体等,“参加并成为其中一名成员”
eg. join the party  入党
      join the league入团
      she wants to join the singing club.
另外,join sb.  是“参加到某人的行列”之意
eg. won’t you join us in a tennis match?   你不想参加我们网球比赛吗?
     he joined us for dinner.  他与我们共进晚餐。
②take part in (动词短语)指参加(某种活动)
eg. are you going to take part in the discussion?  你要参加讨论吗?
    he took part in the speech competition?  他参加了演讲比赛。
    did they take part in that meeting last monday? 他们上周一参加那次会了吗?
 
【习题检测】
  一. 单项选择
  1. the volleyball match will be put off if it ________. 1234567
  a. will rain  b. rains  c. rained  d. is rained
  2. there ________ a football game on tv this afternoon.
  a. is going to have  b. will be   c. is going to play  d. will play
  3. this work is ________ for me than for you.
  a.difficult b.the most difficult  c.most difficult d.more difficult
  4. i"ll catch up with lucy before she ________ the finishing line.
  a.reach b.is reaching c.reaches in d.will reach
  5. excuse me. could you tell me ________?
  a.where"s the teachers" office   b.where"s the bus stop
  c.what"s she doing               d.where the post office is
  6. i won"t go if it ________ tomorrow.
  a.rain   b.is raining  c.rains    d.will rain
  7. wu dong is good at ________ english.
  a.speak    b.speaks    c.speaking    d.spoke
  8. you"d better ________ your jacket. the room is too hot
  a.take off    b.put on    c.take out     d.take care
  9. in the race wu dong ran fastest. no one could ________ him
  a.get on with   b.hurry up    c.give up  d.catch up with
  10. he is a little ________ than you.
  a.fat  b.fater   c.fatter    d.fattest
  11. watching tv ________ is bad for your eyes.
  a.much too    b.many too   c.too much    d.to many
二. 用下列词语的正确形式填空
chance    laugh    against   organize    leave
 
1. i am _______ england next week.
2. everyone _______ his foolish words.  
  3. jane _______ the party,and the friends enjoyed themselves.
  4. i met him by _______ in the street.  
  5. no one is _______ this plan. 
  三. 根据汉语意思,完成下列句子
  1. 如果你向他请求,他会帮助你。if you _____ him,he _______ you.  
 2. 我说那天是星期二,实际上是星期一。
    i said it _____ tuesday,but ______ it was monday.  
  3. 为了赶火车,她匆匆做完了她的工作。
    ________ catch the train,she hurried through her work.
  4. 她问那是否够了。   she asked _________ enough.
  5. 我们玩得很快乐。  we have ________.
 四. 完形填空
  there are many words in the english language. you will never  1  the meaning of every word in english. when you read, you will often find many  2  you do not know. you will not have enough time to  3  reading and try to find every new word in a dictionary.1234567
  sometimes you can  4  a new word because you know some of the parts of the new word. for example,if a word ends  5  the letters “er”,that word  6  be the name of a  7  or a thing that does a certain action(某个动作). a writer is a person who writes.  8  it is not  9  to know the parts of a new word to understand it, 10  it will help you many times.
  1. a.know       b.learn       c.find     d.look up
  2. a.books      b.letters      c.stories   d.words
  3. a.stop      b.enjoy       c.keep    d.start
  4. a.find       b.get        c.study     d.guess
  5. a.in       b.off        c.up      d.by
  6. a.can       b.might(可能)   c.should   d.must
  7. a.friend      b.boy         c.person    d.girl
  8. a.then      b.now        c.yet     d.sometimes
  9. a.helpful     b.useful      c.enough       d.good
  10. a.but      b.and         c.so        d.for
  五. 阅读理解
  mr white and his wife wanted to paint(油漆) the outside of their house. to save(节省) money they wanted to do it themselves. on saturday morning they bought some paint and two brushes(刷子). they began that afternoon with the back of the house. the next saturday mr white went to a football match(比赛) but his wife painted the front of the house. on sunday they found they couldn"t open any of the front windows. they got them all open in the end. but they broke three of the seven. they were very dear to mend. next time when they want to save money they"il certainly ask somebody to do the work.
l. mr white wanted to paint ________.
  a. the front of the house  b. the back of the house
c. the front windows    d. the outside of the house
2. they wanted to do the work themselves because ________.
  a. the windows were very easy to breakb. the windows were very hard to open
  c. nobody could do this work well  d. they didn"t want to give more money
3. the work lasted for about ________.
  a. two days  b. less than a week  c. three days   d. more than a week
4. they have to ask somebody to mend the ______ windows.
  a. three   b. four  c. five  d. seven
5. next time they will ask somebody to work for them because       .
  a. they want to go to football matches
  b. it is no longer an interesting thing for them
  c. they have no more paint and brushes1234567
  d. they really want to save some money
6. which is the right order(顺序) for this story?
  a. they started with the front of the house.
  b. they broke some of the windows.
  c. the whites wanted to paint the house themselves.
  d. they began with the back of the house.
  e. they bought some paint and brushes.
  a. edabc   b. abcde    c. cedab   d. ceadb 
参考答案:
  一.
  1. b  真实条件句主句为将来时,从句用一般现在时。
  2. b  be going to do,will do都可以表示将来的动作,但只有选项b符合there be... 句型要求。
  3. d  different的比较级应该用more。
  4. c  
  5. d  宾语从句要用陈述语序。 
  6. c   条件状语从句主句为将来时,从句用一般现在时。
  7. c  be good at doing sth. 擅长做某事。  
  8. a   take off脱下,后半句说屋里热,所以应该用take off。
  9. d   catch up with 赶上。
  10. c   
  11. c
  二.
  1. leaving     现在进行时表示将来。 2. laughed at  因他的傻话而发笑。
  3. organized  4. chance   by chance 偶然。5. against  be against反对。
  三.
  1. ask,will help
  2. was,in fact
  3. in order to
  4. if that was
  5. had a good / great time
    四. 
  1.a     2.d     3.a     4.d     5.a
  6.b     7.c     8.d     9.c     10.a
  五.
  1.d  夫妇俩想油漆房子的外面。
  2.d  他们自己油漆房子是为了省钱。
  3.d  因为他们从上个星期六下午到这个星期六,故一个多星期。
  4.a  有三个窗子破了故要修这三个。
  5.d  他们以后找别人做事,确实是为了省钱,因为他们自己油漆打破了窗子,又叫人来修,而实际花去的钱比原来要多、要贵。故他们明白了请会做的人做,比自己要便宜。
  6.c  整个故事的顺序应该是这样:想自己粉刷房子,买用具、刷后面、刷前面、打破窗子。此题考查你们的阅读能力。解题的关键是要读懂全文,注意前后文之间的联系,易错的是第3题和第5题。

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