Unit 3 Computers
课文重难点详解
1.In the 1940s, the first computers were bigger than cars.
in the 1940s意为“在20世纪40年代”，例：在20世纪50年代
表示在某个年代初期或末期，可以在年份前加early或late. 例：in the early 1940s
2.You may be unaware of them.
be unaware of 意为“未察觉，没有意识到”
、
译：那个男孩没有意识到危险。
3.There is probably one inside your TV or washing machine.
one 此处用作代词，用于泛指前面提到过的名词。
辨析：one 和it
例：The banana pie tastes delicious. Could I have another
A one
B it
C this
D that
4.You depend on computers more than you realize.
depend on意为“依靠，指望”，主语可以是人，也可以是物，其含义有所不同。:
人依靠
depend on
物取决于
dependent adj. 依赖的，反义词：independent “独立的” depend on = be
dependent on
译：she depends on us to help her.
Our plan depends on the weather.
https://www.doczj.com/doc/769410107.html,puters almost never give wrong answers.
:
almost never = hardly 意为“几乎不”
辨析：hardly和hard
?
6. However, one day computers may be able to do a better job than human beings.
be able to 意为“能够”，后接动词原形。
7. Will we have nothing to do
to do为动词不定式，此处用来修饰nothing,如果不定式中的动词是不及物动词，需要带上必要的介词。
例：Do you want something to drink
There is a warm clothes to live in.
例：---Why don’t you go out to play, Rose
—
---I’m afraid I can’t. I have much ho mework .
A do
B does
C doing
D to do
8. What were the first computers like
What + be + 主语+ like 意为“......怎么样”, like 是介词，意为“像，相似”
译：今天天气怎么样
辨析：what’s sb like, what does sb like 与what does sb look like
“某人如何”
What does sb like“某人喜欢什么”用于询问某人的爱好
What does sb look like“某人长什么样”用于询问某人的外貌
·
young people always need help from their parents.
need 用法总结：
need sb/ sth 需要某人或某物例：I need a pen to write with.
② sb need to do sth 某人需要去做某事例：He needs to have a good rest.
③ sth need doing 某物需要被... 例：My bike needs repairing.
④ needn’t 用来回来Must 提出的问句例：--Must I bring my homework now --No, you needn’t.
~
重点语法：
形容词的比较级和最高级分为规则变化和不规则变化
规则变化如下:
1) 单音节形容词的比较级和最高级形式是在词尾加-er 和-est 构成；
great long
2) 以-e 结尾的单音节形容词的比较级和最高级是在词尾加-r 和-st 构成；
wide nice
3)以辅音字母+y结尾的形容词，比较级和最高级是把y 去掉,加上-ier 和-est 构成；
]
happy empty
5) 辅元辅的形容词，比较级和最高级是双写该辅音字母，再加-er和-est；
big fat
6) 部分双音节和多音节形容词，比较级和最高级需用more 和most 来构成。
beautiful difficult
常用的不规则变化的形容词的比较级和最高级:
good/well------better------best
~
many------more------most
much------more------most
little-----less----least
bad/ill------worse------worst
far------farther/ further---farthest/furthest
old----older/elder------oldest/eldest
形容词前如加less 和least 则表示"较不"和"最不"
important 重要less important 较不重要least important 最不重要
1. 两者比较时用形容词比较级，其结构为“... 比较级+ than ...”
如：Actions speak louder than words.
2. 在两者之间选择“哪一个更……”时，用句型“Which / Who is +比较级, ... or ...” 如：Which sweater is cheaper, the red one or the yellow one
3. 表示“两者之间最……的一个”时，用“the + 比较级”
如：Lucy is the taller of the twins.
4. 表示“越……，越……”时，用“the + 比较级，the + 比较级”
如：The more you eat, the fatter you will become.
5. 表示“越来越……”时，用“比较级+ and + 比较级”，多音节词和部分双音节词用“more and more + 形容词原级”
如：We should make our country more and more beautiful.
6. 形容词比较级前可以用下列词修饰：much, a little, far, a bit, a few, a lot, even, still, rather等如：It's much colder today than yesterday.
表示“最……之一”时，用“one of + the + 最高级”
如：The light bulb is one of the most helpful inventions.
^
Unit 3 同步练习
1.The workers spent two years my house.
A build
B building
C builds
D huilt
2.--- How often does Bob play .
A Every day.
B For a year.
C A week ago
D A month later.
3.--- Would you like TV--- I’d love to, but I have lots of homework to do.
'
A watching
B to watch
C seeing
D to see
4.We’re looking forward the football game tomorrow.
A to
B at
C on
D of
5.I’m hungry now. Let’s stop .
A having a meal
B having a rest
C to have a meal
D to have a rest
6. That beautiful skirt is cotton.
A made of
B made into
C made from
D made up of
7. What shall we if we go for a picnic？
A bring
B take
C carry
D get
?
8. This box is___ that one.
A. heavy than
B. so heavy than
C. heavier as
D. as heavy as
9. When we speak to people, we should be ' .
A. as polite as possible
B. as polite as possibly
C. as politely as possible
D. as politely as possibly
10. This book is____ that one, but____ than that one.
A. as difficult as; expensive
B. as more difficult as; more expensive
C. as difficult as; more expensive
D. more difficult as; as expensive
11. I think the story is not so ___ as that one.
A. interesting
B. interested
C. more interesting
D. most interesting
12. His father began to work____ he was seven years old.
A. as old as
B. as early as
C. since
D. while
13.. I think science is ____ than Japanese.
A. much important
B. important
C. much more important
D. more much important
14. This pencil is_____ than that one.
A. longest
B. long
C. longer
D. as long
15. My mother is no ______ young.
A. shorter
B. longer
C. little
D. few
16. These children are ________ this year than they were last year.
A. more tall
B. more taller
C. very taller
D. much taller
$
17. It was very hot yesterday, but it is______ today.
A. even hotter
B. more hotter
C. much more hot
D. much hot
18. Mrs Black has got______ instead of getting any better.
A. more bad
B. a little worse
C. much badly
D. a lot of worse
完型填空
All my family members like to use computers.
We live in China, 1 my uncle lives in Australia. My father and my uncle often 2 emails to each other. Sometimes 3 chat（聊天）online.
My mother is a 4 in a middle school. She often 5 the computer for her lessons. She also gets information for her lessons 6 the Internet.
:
My brother and I like to 7 computer games. I like to play Counter Strike, but he likes to play Tomb Raider. My 8 don’t like us to play them too long. They say that playing computer games too long is bad for our 9 and study. We both like 10 , too. So sometimes we download songs from the Internet to our MP3 players.
( )1. A. but B. and C. or D. so
( )2. A. make B. send C. give D. write
( )3. A. we B. you C. they D. I
( )4. A. doctor B. teacher C. student D. student ( )5. A. plays B. buys C. uses D. does
( )6. A. in B. on C. with D. at
【
( )7. A. make B. do C. play
( )8. A. parents B. friends C. father D. mother ( )9. A. legs B. ears C. eyes D. faces ( )10. A. music B. English C. films D. books
阅读理解
We are already familiar with computers—computers work for us at home, in offices and in factories. But it is also true that many children today are using computers at schools before they can write. What does this mean for the future Are
these children lucky or not
Many people who do not know about computers think of them as machines that children play with. They worry that children do not learn from experience but just from pressing a button and that this is not good for them. They think that children are growing not knowing about the real world.
/
But people who understand more about computers say that computers can be very good for children. A computer can help them to learn about the real world more quickly, to learn what they want to learn and think for themselves. And for the future, don’t we need people who can think clearly, who know how to get information quickly and use it well What do you think
1. “To be familiar with” means to ______.
A. know nothing
B. know about
C. dislike
D. like
2. Does everyone think computers are good for children
A. Yes, they do.
B. No, not everyone thinks so.
C. They don’t know.
D. They are not sure.
3. What can computers help children to do
A. To think clearly, to do homework and to write.
~
B. To play games, to do math and to copy.
C. To think clearly, to get information and to use it well.
D. To count, to clean the house and to get information.
4. Does the writer think computer is a good thing
A. We don’t know.
B. No, he doesn’t think so.
C. He doesn’t know.
D. Yes, he does.
一、短语知识点总结
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1、in the 1940s 在20世纪90年代的时候 =in the 1940's
3、smaller and smaller 越来越小
比较级+比较级越来越……
4、be unaware of ~ 没意识到……
5、inside prep. 在……里面
6、depend v. 依靠，依赖 dependent adj.依赖的，依靠的；dependable adj. 可靠的 depend on/ upon 依靠，依……而定
depend on it 毫无疑问，没问题It all depends. 这也难说，要看情况而定。
7、do with~ 处理(与what 搭配） deal with~ 处理（与how搭配）
8、at a faster speed 以(用）一个更快的速度
用工具with hands/ears/eyes/computers
用声音in a low voice
用语言in English
用材料in ink,pen
以价格at the high price
以速度at a full speed
9、give wrong answers = give a wrong answer 给出错误的答案
10、with prep. 和……人一起具有……用……
11、addition n. 加法，增加物in addition= besides 另外 in addition to= as well as 除了……之外
12、like v. 喜欢prep. 像……like sth 喜欢某物 like to do sth = like doing sth 喜欢做某事
13、one day （过去或将来的）某天 some day (将来的）某天
14、be able to do sth = can 能够做某
—
15、For example 例如（一个例子） Such as 例如（多个例子）
16、be better at doing sth 更擅长做某事 be good at doing sth 擅长做某事be good for ...对…有好处be good to...对…友好
17、have nothing to do 无事可做
18、make v. 制作，使得，让make sb do sth. 使得某人做某事make sb adj 使得
某人……
19. fact n. 事实，真相 In fact 事实上，其实=As a matter of fact 事实上，其实
二、 More Practice
1．Thank you/ thanks for (doing) sth 因……而感谢某人
2．With +n./prep/doing 有…… Without +n./prep/doing 没有……，缺乏……
。
3．On the Internet 在网上
4．Used to do sth 过去常常做……Be used to doing sth 习惯做某事
5．Sb spend time/money on sth 某人在某物上花钱/时间
Sth costs money某物花钱
Pay for sth 为某物付钱
It takes sb some time to do sth 花某人多少时间做某事
6．In front of 在……的前面(范围之外） In the front of 在……的前面（范围之内）7．Be bad for 对……有害
{
8．Give some advice 给建议
9．Hope for sth 希望得到某物 Hope to do sth.希望做某事Hope (that)+句子希望……
10．Stop to do sth 停下来去做某事（做别的事） Stop doing sth 停止做某事（停止正在做的事）
Stop sb from doing sth 阻止某人做某事
11. By doing sth 通过做某事
12. Have to 不得不……（客观的）Must 必须（主观的）
13. How often 多久一次（问频率）
14. Much +比较级……的多
>
15. One of +最高级+n.(Pl.) ……之一
16. Become +adj 变得……
17. Look forward to (介词）期望……在介词后面加动词，都加动词的ing形式。
三、同步讲与练
1. Stop working ! Let′s stop to have lunch.
1. Stop________! Our teacher is coming. A. talk B. to talk C. talking D. talked
2. On my way home, I met an old friend and stopped _______ a talk.(have)
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2. They’ll also give some advice on how to use computers for studying .他们也会给一些关于怎样利用网络学习的建议。
give (sb) some advice on how to do--- 关于某方面的建议（advice不可数）怎样做某事（必须接宾语）
=give (sb) some advice on doing---
1.王教师昨天给了我们一些如何学好英语的建议.
Dr Wang gave us _____ _____ _____ _____ _____ ______English well.
2. I don’t know _________ the computer.
A. what to use
B. what using
C. how to use
D. how using
3. I hope we can all work together to stop students from spending too much time playing computer games.
!
stop sb. from doing 阻止某人做---
sb. spend some time on/(in) doing 某人花钱、花时间做某事
1.我们的环境越来越差了，我们应该阻止人们砍伐树木。
Our environment is becoming worse and worse, we should ____ people _____ _____ down trees.
2. Tom _____ two days _____ the story.
; to read B. paid; for reading C. spend; reading D. spent; on
四、同义词/同义句：
tiny = very small 极小的
expensive = dear = not cheap = costs a lot of money 昂贵的
be unaware of sth = be not aware of = don’t know = don’t realize 没有察觉到
be aware of sth = know = realize 意识到operate = make …work
depend on = rely on 依赖
in addition = besides = what’s more 此外
be able to do = can do 能够做某事
grand total = full amount 总额
We can type and draw things with computers.
= We can use computers to type and draw things.
Mary is taller than any other girl in our school.
= Mary is the tallest girl in our school.
IV．词型变化
order（n）--- order（v）
compare（v）--- comparison（n）
mouse --- mice（pl.）
type （v）--- typer 打字机typist 打字员（n）
calculate（v）--- calculation 计算calculator 计算器（n）
operate（v）--- operation（n）
sell-sold-sold（v）--- sale（n）salesman
depend --- dependent 依赖的（adj）---dependence 依赖（n）
--- independent 独立的（adj）--- independence 独立（n）
I. 同义词
( ) 1. I am sorry that I am unaware of the mistake.
A. don’t know
B. don’t care about
C. knows a little about
D. knows a
lot about
( )2. Could you tell me the grand total？
A. little time
B. large number
C. whole work
D. full amount
( )3. When I was young, I always depended on others.
A. made friends with
B. laughed at
C. lived with
D. relied on
( )4. Finally, Jack operated the machine successfully.
A. made…change
B. made…work
C. made…rest
D. made…stop
( )5. What’s the price of this computer？
A. How many is
B. How do you like
C. Why do you buy
D. How much is ( )6. Look! The tiny baby over there is so cute!
A. very lovely
B. very small
C. very big
D. very old
( )7. My mother used to work as a teacher in the village.
A. like
B. be
C. be like
D. have
( )8. This machine is very expensive.
A. costs a little money
B. looks beautiful
C. costs a lot of money
D. doesn’t cost much
( )9. Jack works hard. In addition, he is kind to his friends.
A. For example
B. Besides
C. In addition to
D. However
II. 单项选择题
( )1. Taking buses in Beijing is _____ than ____ a taxi.
A. more cheap; taking
B. much cheaper; taking
C. a little cheap; to take
D. a little cheaper; to take
( )2. ________, Shenzhen was still a small village.
A. In 1840s
B. In the year of 1840s
C. In the 1840
D. In the 1840s
( )3. I’m hungry now. Let’s stop _______.
A. having a meal
B. to have a meal
C. having a rest
D. to have a rest
( )4. --what’s the ______ of this new train -- It’s __________ 200 km per hour.
A. price; at the speed of
B. price; in the speed of
C. speed; in the speed of
D. speed; at the speed of
( )5. Thank you for _______ us with the task. I look forward to _______ with you next time.
A. helping; working
B. to help; work
C. helping; work
D. to help; working ( )6. —Are you feeling _____ today—I’m afraid not. It’s _______ day since I got ill.
A. good; the worst
B. better; worse
C. well; the best
D. better; the worst ( )7. Ken is very generous(有天赋的). ________, he is skillful in playing chess.
A. In addition
B. In fact
C. However
D. Suddenly
( )8. —Do you know what __________ the girl in the film？
—Yes. She ______ too much _______ her parents and was unable to do anything by herself.
A. happened with; depended; on
B. happened with; depended; with
C. happened to; depended; at
D. happened to; depended; on
( )9. _______ you lose, ________ you will be.
A. The more; the happiest
B. The more; the happier
C. The less; the happiest
D. many things; happy
III. 词形填空
1. I am a ______ (type), and I always type things with this ______(type).
2. Ken always asks others for help. He is a _______(depend) child.
3. There are many great _____(company) in Shenzhen.
4. I’m sorry, but this dress is not for ____(sell).
5. I look forward to _______(become) a member of your team.
6. Do you know how _______(operate) this machine？
7. He ordered us ______ (fly) the spaceship as soon as possible.
8. Amy is _____ swimmer of the six students. (good)
9. My father is a train driver, so he works on the ______(railway).
10. Compared with my bag, yours is much _____(good).
11. Is he able ______(control) the whole country？
12. The doctor is doing an _____(operate) on the patient.
IV. 完成句子：
1. 现在，世界上的许多地方缺水。 Many places in the world ___ ____ ___ water now.
2. 我认为手机比相机要有用得多。 I think a mobile phone is _____ ____ _____ _____ a camera.
3. 我跑着追那辆公共汽车，可是没能追上。I ran after the bus, but I ______ ___ ___ catch it.
4. 那个杯子由塑料制成。That cup __ ____ ___ plastic.
5. 你日常生活中常常对手机依赖吗Do you ______ __ your mobile phone a lot __ ____ ____ ____
V. 连词成句：
1. of, should, aware, they, the, danger, be
_____________________________________
2. jobs, some, be, than, human beings, better, computers, will, at, doing
_____________________________________
3. to, Saturdays, nothing, I, on, have, do, usually
_____________________________________
4. new, machine, with, this, the, can, operate, we, invention
_____________________________________
5. realize, you, more, computers, depend, you, on, than
_____________________________________
百度文库- 让每个人平等地提升自我 广州八年级英语（上册）主要知识点Unit 1 Newspapers phrases and expressions Take charge of 主管，掌管 V ote for …投赞成票 Take note 记录 Be responsible for 负责，有责任 Talk ....over 详谈 Make a list of .....把…列成清单 Be free for (someone) 对（某人）免费Pay....for 付费 Make a decision about.... 对…作出决定 In one week's time 一周后 A copy of 一份 For free 免费From the air 从空中 Of one's own 某人自己的 Have the habit of.... 有…的习惯 Try one's best 尽力 Try to (do something) 尽力（做某事）Try doing something 尝试做某事Believe in oneself 相信自己 Once a week 每周一次 Be pleased with.... 对…满意 Keep fit 保持健康 Have a high fever 发高烧 At break 课间休息 Not at all 一点也不，完全不 Get on well 相处得好 For this reason 因为这样 2.语法language: should and ought to (positive) should not and ought not to (negative) 3.辨析 3.1Other, the other, another (1) Other 表示泛指，没有特定的范围。 . Lei Feng always helped other people. (2) The other 意为“另一个”，一般用于两者之间。其句型为：one...the other...（一个…另一个…） . The old man has two sons. One is a soldier, the other is a worker. (3) another 表示三者或者三者以上的其他任何一个。意为“再一；又一”。 . Would you like another cup of tea? 注意：the other 和other 后均可加名词，但是意思有所不同，“the other+名词”表示一定范围内出一部分外其余的全部，而"other+名词"表示出去部分以后的另一些，但不是剩下的全部。 S pend, cost, take, pay “花费” A. spend 主语必须为人，常用于一下结构： (1) spend time/money on sth. 在某物上花费时间、金钱。 . I spend two hours on this maths problem.
广州市新版教材八年级英语上册期中语法复习 Unit1 一、some与any的区别 1）some多用于肯定句，表示―一些，几个‖作形容词时，后面可以接①不可数名词+ 单数动词；②可数名词+复数动词。 Look! Some of the students are cleaning the library. . Some rice in the bag has been sold out. 2）any多用于疑问句、条件句和否定句中，表示―一些，任何‖用作形容词时，后面可 以接①不可数名词+单数动词；②可数名词+复数动词。 If you have any questions, please ask me. There isn't any orange in the bottle. Have you got any tea? 3）any和some也可以作代词用，表示―一些‖。any多用于疑问句或否定句中，some 多用于肯定句中。 How many people can you see in the picture? I can't see any. If you have no money, I'll lend you some. 二、复合不定代词 由some,every,no,any分别与one,thing和body组合即可得到以下复合不定代词： someone anyone no one everyone something anything nothing everything somebody anybody nobody everybody 1.一般来说，由some构成的复合不定代词往往用于肯定句中；而由any构成的复合不定代 词则往往用于否定句或疑问句中。 I heard someone singing when I was at work last night. Please give me something to read. (拓展）由some构成的复合不定代词有时也可用于疑问句中，用来表示请求、建议等语句。Would you like something to read? Why not buy something interesting? 2.复合不定代词作主语时，谓语动词用单数形式。 Somebody wants to see you. Is there anything I can do for you ? 3.形容词修饰复合不定代词something,anything,everything,nothing等时，要放在不定代词的后 面。 Do you have anything important to tell us? We need one more helper. Can you find anyone else? Unit 2 基数词与序数词 一、基数词的用法 基数词是表示数目多少的词
词汇 encyclopaedia n.百科全书 1.human adj.人的 2.dinosaur n.恐龙 3.Italian n.意大利人，Italy n 意大利 All roads lead to Rome.(谚)条条大路通罗马；殊途同归.Rome was not built in a day.(谚)罗马城不是一天建成的；伟业非一日可成When in Rome do as the Romans do. inventor n. 发明家 1.musician n. 音乐家 2.scientist n.科学家 3.born v. (be born)出生 4.countryside n.乡村; 农村 5.intelligence n.才智;智慧 6.artistic adj. 有艺术天赋的 7.ability n. 才能；能力 8.perhaps adv.可能;大概 9.invention n. 发明 10.notebook n. 笔记本 11.include v. 包括；包含 12.even adv. (强调出乎意料) 甚至 13.however adv. 然而 14.suddenly adv.突然；忽然 15.nobody pron. 没有人 16.fossil n. 化石 17.win v. (won, won) (在比赛中)获胜,赢 18.dollar n.元（美国、加拿大等国货币单位） 19.in the countryside在乡村;在农村 20.human being人 21.die out灭绝;消失 22.find out了解(到);弄清 23.go for a walk去散步 课文 Look it up! Here are two articles from an encyclopaedia. Da Vinci, Leonardo Leonardo da Vinci (1452-1519) was an Italian painter, inventor, musician, engineer and scientist. Da Vinci was born in the countryside. From an early age, he showed great intelligence and artistic ability. As he grew older, he learnt to do many
Unit 1 Newspapers Useful phrases and expressions Take charge of 主管，掌管 V ote for 投赞成票 Take note 记录 Be responsible for 负责，有责任 Talk ....over 详谈 Make a list of .....把。。。。列成清单 Be free for (someone) 对（某人）免费Pay....for 付费 Make a decision about.... 对。。。。作出决定In one week's time 一周后 A copy of 一份 For free 免费 From the air 从空中Of one's own 某人自己的 Have the habit of.... 有。。。。的习惯Try one's best 尽力 Try to (do something) 尽力（做某事）Try doing something 尝试做某事Believe in oneself 相信自己 Once a week 每周一次 Be pleased with.... 对。。。满意 Keep fit 保持健康 Have a high fever 发高烧 At break 课间休息 Not at all 一点也不，完全不 Get on well 相处得好 For this reason 因为这样 language: should and ought to (positive) should not and ought not to (negative) 辨析：Other, the other, another 1.Other 表示泛指，没有特定的范围。 E.g. Lei Feng always helped other people. 2.The other 意为“另一个”，一般用于两者之间。其句型为：one...the other...（一个。。。。另一个。。。。） E.g. The old man has two sons. One is a soldier, the other is a worker. 3 another 表示三者或者三者以上的其他任何一个。意为“再一；又一” E.g. Would you like another cup of tea? Notice: the other 和other 后均可加名词，但是意思有所不同，“the other+名词”表示一定范围内出一部分外其余的全部，而"other+名词"表示出去部分以后的另一些，但不是剩下的全部。 辨析：spend, cost, take, pay “花费” 1 spend 主语必须为人，常用于一下结构： 1.1 spend time/money on sth 在某物上花费时间、金钱。 E.g. I spend two hours on this maths problem. 1.2 spend time/ money (in) doing sth. 花费时间、金钱做某事。 E.g. They spend two years (in) doing this bridge. 1.3 spend money for sth. 花钱买某物 E.g. His money was spent for books. 2 cost 的主语是物或者某种活动，还可以表示“值”，常见的用法如下： 2.1 sth. cost (sb)+金钱表示“某物花了（某人）多少钱”。 E.g. A computer costs a lot of money. 2.2 (doing) something cost (sb) +时间表示“（做某事）某物花了（某人）多少时间。” E.g. Remembering these new words cost him a lot of time.
广州市人教部编版八年级上册生物期末试卷及答案-百度文库 一、选择题 1．“得了灰指甲，一个传染俩”．灰指甲学名甲癣，是一种由真菌感染而引起的传染性疾病．真菌细胞与细菌相比结构上最主要的区别是具有（） A．细胞壁B．细胞膜C．遗传物质D．成形的细胞核2．下列动物都具备消化腔有口无肛门的一项是（） A．蝗虫、蚯蚓、蛔虫B．水蛭、海蜇、涡虫 C．水母、涡虫、水螅D．沙蚕、血吸虫、珊瑚虫 3．关于人体运动，下列叙述正确的是（） A．运动系统由骨和关节组成 B．每个动作需要一组肌肉完成 C．关节囊保证关节活动灵活 D．动作的协调受神经系统支配 4．四川的泡菜在全国都是非常有名的一种风味小菜。制作泡菜时要用特殊的坛子，坛口必须加水密封。密封坛口的目的是（） A．隔绝空气，抑制细菌的繁殖 B．阻止尘埃 C．造成缺氧的环境，利于乳酸发酵 D．防止气体对流，利于醋酸菌进行发酵 5．右图是食肉目部分动物的分类图解，下列说法不正确的是（） A．种是分类的最基本单位 B．猫与虎的共同特征最多 C．虎和豹的共同点比虎和猫的共同点多 D．猫与豹的亲缘关系比猫与狗的亲缘关系近 6．下雨之前，经常可以看到蚂蚁大军有组织地迁往高处。这一现象说明蚂蚁具有（）A．取食行为B．社会行为C．攻击行为D．繁殖行为 7．“几处早莺争暖树，谁家新燕啄春泥。”诗中的莺和燕具有的共同特征是（） ①体表被覆羽毛②前肢变为翼③体内有气囊④胎生哺乳⑤体温恒定⑥变态发育A．①②④⑤B．②③④⑥C．①②③⑤D．①②③⑥ 8．有关哺乳动物的下列特征正确的是（） A．哺乳动物都在陆地上生活 B．哺乳动物不同于鸟的特点是不能在空中飞翔 C．胎生提高了哺乳动物的产仔率 D．牙齿分化提高了哺乳动物的摄食、消化能力
广州版初二英语上册Unit2同步辅导 【课堂演练】 一、听写Unit 2重点单词和短语并引导学生注意其基本用法： ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ 二、重点词组： 1. a long time ago 很久以前 2. for a long time 很长一段时间 3. order sb to do sth 命令某人干什么 4. ask sb for help 向某人寻求帮助 5. the number of ….的数目 6. copy down 抄写下来 7. at first 首先，第一 8. help sb do sth 帮助某人干什么 9. in this way 用这种方法 10. so that 以便 三、重点词组解析： （一）If引导的条件句： a. if引导的条件句主句用一般将来时态，从句用一般现在时态。 If you fail in the exam，you will let him down．如果你考试不及格，你会让他失望的。 b. if从句用一般现在时，主句用may / might / can If the fog gets thicker the plane may/might be diverted. 如果雾在大一些，飞机可能就会改在别的机场降落。 If it stops snowing we can go out. 如果雪停了，我们就可以出去。 c．if从句用一般现在时，主句用must/should If you want to lose weight you must/should eat less bread. 如果你想减肥，你必须少吃面包。 d．if从句用一般现在时，主句用一般现在时 If you heat ice it turns to water. (也可用will turn)如果把冰加热，它就会化成水。 热身练习： 1. If you ____________(feel) tired, you _______________ (have) to have a rest. 2. Where ___________ he _________(see) the film if he _______________(have) time? 3. If there ______________(be) fewer trees, there _______________( be) more pollution. 4. He ____________________(dress)? more casually if he ________________( not work) on weekends. 5. If Marcia _____________(live) alone, she ___________________( keep) a pet parrot. 6. Lana ________________( buy) a new dress if the old one _____________(be) out of style. 7. The twins ______________(fight) if they_______________(argue).
Unit5 ◆知识探究 Step one Reading & Listening讲解 1.I was very nervous at first.says Sarah. 萨拉说我起初很紧张。 at first“起初；起先”，它主要用于强调前后对照，暗示接下来的动作与前面的动作不同，甚至相反。反义短语：at last最终。如： At first he didn’t agree, but at last he had to.起初他不同意，但最终只好同意了。 ( )______,the Internet was only used by the government. But now it’s widely used in every field. A. As usually B. At first C. After all D. So far 》 2. However ,my host family are friendly .但是，我的寄宿家庭非常友好。friendly 比较级friendlier/more friendly ，最高级friendliest / most friendly. 常构成短语be friendly to sb. 对某人友好； be friendly with sb. 与某人友好相处。 ①他们班里的每个人对我都很友好。 Everyone in their class _____ _________ _____ me. ②我们很快就与邻居们友好相处了。 We soon became ________ _______ the neighbors. 3.I’ve learnt to use chopsticks , and they’re teaching me a little
广州深圳牛津版八上U4 巩固提升训练(同步+语法+拓展训练) 一．单元短语自查：（Do it by yourself !） 一．重点单词 1. 单词拼写。 (1）The wheel is one of the greatest i in history. (2) After the wheel was invented, travelling became faster and c . (3) Thomas Edison d the first light bulb in 1879. (4）The bus stopped every few minutes to pick up p . (5) Your advice sound p . I’ll do as you said. (6) By chatting online, we can see the speakers over long d . (7)The modern city was only a small village in a times. (8) Cars make our life quite convenient, but they also c many problems. (9)When buying a book, it is necessary to read the i first. (10)The watch was given by my grandpa; so it is very s . inventions, comfortable ，developed, passengers, practical,distance, ancient, introduction, special ， 二．重点短语互译
Unit 2测试 姓名___________ 分数___________ 一、根据首字母填写单词，注意其形式。（10分） 1. A car a happened yesterday. 2. If you win the game, you’ll get a p . 3. Jim p not to be late for class again. 4. If you can’t attend the meeting, I can go i__________ . 5. The a_______ of information on the Internet is huge . 6. He was so w_______ that he won the game. 7. We must r________the importance of learning English. 8. Do you know his telephone n________. 9. His little s____ is good at playing the guitar. 10. Three is always heavy t________ on this road. 二、短语翻译。（5分） 1.挣钱；赚钱 2. 从那时起_________ 3.不再 __________ 4. 全年，整年 ___________ 5. 下象棋_____________ 三、短语填空，注意其形式。（5分） 1.很久以前在这个村子里面有个聪明的年轻人。 _____ ______ _______ _________, there was a wise young man in the village. 2.在墙上除了一张图画我什么也看不见？ I can see ______ ________ a picture on the wall? 3.小男生向那些人挑战打网球。 The little boy __________those people ______ a game of tennis. 4.你抄写下他的电话号码了吗？。 Did you ______ _______ his telephone number?. 5.你可以画任何你想画的东西，比如，动物，植物，房子，等等。 You can draw anything you like, like as animals, plants, houses ______ _____ ______. 四、单项选择。（20分） ( )1.Mother’s Day is on the ________Sunday in May every year. A.two B. second C. six D. sixth ( ) 2.May is the _______ month of a year. A. fifty B. fifteen C. fifth D. five ( )3.When you are in trouble, you should ask the police ______ help . A. of B. at C. for D. with ( ) 4.Jenny gave us _______on how to learn English well.
__________________________________________________ Unit1 *encyclopedia n.百科全书human adj.人的 dinosaur n.恐龙 *Italian n.意大利人inventor n.发明家musician n.音乐家 scientist n.科学家 born n.出生countryside n.乡村intelligence n.才智 *artistic adj.有艺术天赋的ability n.才能，能力perhaps adv.可能，大概invention n.发明 notebook n.笔记本 Include v.包括 even adv.甚至however adv.然而suddenly adv.突然 nobody pron.没有人 *fossil n.化石 win v.赢 dollar n.元 In the countryside human being die out find out go for a walk
__________________________________________________ Unit2 number n.数字instruction n.指标 check v.检查 gram n.克 son n.儿子 chess n.国际象棋 India n.印度 wise adj.充满智慧的challenge v.向（某人）挑战promise v.许诺 prize n.奖赏 grain n.谷粒chessboard n.象棋棋盘double v.（使）加倍amount n.数量 rest n.剩余部分 gold n.金子 instead adv.代替 realize v.认识到 copy v.抄写 correctly adv.正确地 traffic n.交通 accident n.（交通）事故 a long time ago challenge …to
广州八年级英语（上册）主要知识点Unit 1 Newspapers https://www.doczj.com/doc/769410107.html,eful phrases and expressions Take charge of 主管，掌管 V ote for …投赞成票 Take note 记录 Be responsible for 负责，有责任 Talk ....over 详谈 Make a list of .....把…列成清单 Be free for (someone) 对（某人）免费Pay....for 付费 Make a decision about.... 对…作出决定 In one week's time 一周后 A copy of 一份 For free 免费From the air 从空中 Of one's own 某人自己的 Have the habit of.... 有…的习惯 Try one's best 尽力 Try to (do something) 尽力（做某事）Try doing something 尝试做某事Believe in oneself 相信自己 Once a week 每周一次 Be pleased with.... 对…满意 Keep fit 保持健康 Have a high fever 发高烧 At break 课间休息 Not at all 一点也不，完全不 Get on well 相处得好 For this reason 因为这样 2.语法language: should and ought to (positive) should not and ought not to (negative) 3.辨析 3.1Other, the other, another (1) Other 表示泛指，没有特定的范围。 E.g. Lei Feng always helped other people. (2) The other 意为“另一个”，一般用于两者之间。其句型为：one...the other...（一个…另一个…） E.g. The old man has two sons. One is a soldier, the other is a worker. (3) another 表示三者或者三者以上的其他任何一个。意为“再一；又一”。 E.g. Would you like another cup of tea? 注意：the other 和other 后均可加名词，但是意思有所不同，“the other+名词”表示一定范围内出一部分外其余的全部，而"other+名词"表示出去部分以后的另一些，但不是剩下的全部。 3.2 S pend, cost, take, pay “花费” A. spend 主语必须为人，常用于一下结构： (1) spend time/money on sth. 在某物上花费时间、金钱。 E.g. I spend two hours on this maths problem. (2) spend time/ money (in) doing sth. 花费时间、金钱做某事。 E.g. They spend two years (in) doing this bridge. (3) spend money for sth. 花钱买某物 E.g. His money was spent for books.
八年级英语（上册）主要知识点Unit 1 Newspapers https://www.doczj.com/doc/769410107.html,eful phrases and expressions Take charge of 主管，掌管 Vote for …投赞成票 Take note 记录 Be responsible for 负责，有责任Talk ....over 详谈 Make a list of .....把…列成清单Be free for (someone) 对（某人）免费 Pay....for 付费 Make a decision about.... 对…作出决定 In one week's time 一周后 A copy of 一份 For free 免费From the air 从空中 Of one's own 某人自己的 Have the habit of.... 有…的习惯Try one's best 尽力 Try to (do something) 尽力（做某事） Try doing something 尝试做某事Believe in oneself 相信自己 Once a week 每周一次 Be pleased with.... 对…满意Keep fit 保持健康 Have a high fever 发高烧 At break 课间休息 Not at all 一点也不，完全不 Get on well 相处得好 For this reason 因为这样 2.语法language: should and ought to (positive) should not and ought not to (negative) 3.辨析 3.1Other, the other, another (1) Other 表示泛指，没有特定的围。 E.g. Lei Feng always helped other people. (2) The other 意为“另一个”，一般用于两者之间。其句型为：one...the other...（一个…另一个…） E.g. The old man has two sons. One is a soldier, the other is a worker. (3) another 表示三者或者三者以上的其他任何一个。意为“再一；又一”。 E.g. Would you like another cup of tea? 注意： the other 和other 后均可加名词，但是意思有所不同，“the other+名词”表示一定围出一部分外其余的全部，而"other+名词"表示出去部分以后的另一些，但不是剩下的全部。 3.2 S pend, cost, take, pay “花费”
八年级上册词汇表Unit 1 *encyclopaedia n.百科全书 human adj.人的 dinosaur n.恐龙 *Italian n.意大利人 inventor n.发明家 musician n.音乐家 scientist n.科学家 born n.出生 countryside n.乡村 intelligence n.才智 *artistic adj.有艺术天赋的 ability n.才能，能力 perhaps adv.可能，大概 invention n.发明 notebook n.笔记本 Include v.包括 even ad v.甚至 however adv.然而 suddenly adv.突然 nobody pron.没有人 *fossil n.化石 win v.赢 dollar n.元 in the countryside 在乡村 human being 人 die out 灭绝 find out 了解 go for a walk 去散步 Unit 2 number n.数字 instruction n.指标 check v.检查 gram n.克 son n.儿子 chess n.国际象棋 Indian.印度 wise adj.充满智慧的 challenge v.向（某人）挑战 promise v.许诺 prize n.奖赏 grain n.谷粒 chessboard n.象棋棋盘
double v.（使）加倍 amount n.数量 rest n.剩余部分 gold n.金子 instead adv.代替 realize v.认识到 copy v.抄写 correctly adv.正确地 traffic n.交通 accident n.（交通）事故 A long time ago 很久以前Challenge….to…向（某人）挑战And so on 等等 Copy down 抄写 Unit 3 order n.订货 compare v.比较 monitor n.显示器 speaker n.扬声器 main unit n.主机 keyboard n.键盘 mouse n.鼠标 type v.打字 brain n.脑 control v.控制 expensive adj.昂贵的 tiny adj.绩效的 depend v.依靠 *calculate v.计算 speed n.速度 operate v.操作 railway n.铁路系统 company n.公司 price n.价格 total n.总额 inch n.英寸 sell v.出售 popular adj.受喜爱的 work as 从事…….工作 (be)unaware of 没注意到; depend on 依靠 In addition 除…..以外 grand total 总计； look forward to 盼望;
8上U1-8考点梳理
https://www.doczj.com/doc/769410107.html,puter的组成部分： monitor显示器；keyboard键盘；speaker扬声器； main unit主机；mouse鼠标
6.invent(v.)-inventor(n.)-invention(n.) 7.since1)since+时间点2)since+句子(过去时) 8.distance(n.)距离-distant(adj.)遥远的11.special(adj.)-specially(adv.) 12.introduce(v.)-introduction(n.) 13.instead(句尾)-instead of+n/doing
4.introduce...to...使..初次了解 https://www.doczj.com/doc/769410107.html,e over to...从...到..-came-come 6.however,逗号but不用 7.be friendly to sb 8.learn to do sth-learnt-learnt 9.spend时间in doing sth spend钱on sth spend time with sb spend holidays-spent-spent 10.place of interest 11.v+a lot smile a lot/eat a lot 12.too肯定句either否定句also句中as well句尾15.plan to do sth计划做某事-planned-planned 16.keep in touch with sb与某人保持联系 17.return to sp返回地点return sth归还某物 borrow sth from sb借进lend sth to sb借出 18.one another彼此三者以上each other二者 19.be the same as/be different to/from 20.take part in参加 21.apply for申请 22.would like to do sth 23.between A and B二者之间among在三者之间 24.can’t wait to do sth等不及做某事wait for等待 现在完成时强调过去发生的事情对现在产生的影响，主要说明现在的情况 一般过去时强调事情发生的时间在过去，不涉及对现在的影响，且句中一般含有表示过去的时间状语
复习 Unit 1 Encyclopaedias 必会重点词汇和短语 ★单词默写 1. 人的adj. human 2. 恐龙 3. 意大利人 4. 发明家 5. 音乐家 6. 科学家 7. 出生8. 乡村；农村9. 才智；智慧10. 有艺术天赋的11. 才能；能力12. 可能；大概13. 发明14. 笔记本 15. 包括；包吨16. 甚至 17. 然而18. 突然；忽然19. 没有人20. 获胜；赢21. 美元 ★短语默写 1. 在乡村 2. 人，人类 3. 灭绝；消失 4. 了解（到）；弄清 5. 去散步 6. 正如；正像 7. 出生8. 重要的事 9. 给…拍照 ★重点词汇讲解和辨析 1. look 相关短语辨析 ●look up 查阅 I looked your address up in the personnel file. 我从人事档案里查到了你的地址。 ●look out 注意；留心 Look out! There's a car coming. 当心! 汽车来了。 ●look over 检查 Would you mind looking over my article? 您介不介意检查下我的文章? ●look after 照顾 At weekends, Eason often helps his mother look after his little sister. 周末的时候，Eason 经常帮妈妈照顾他的妹妹。 ●look at 看着 The dog is looking at Liz angrily. 这只狗生气地看着Liz。 ●look around 环顾四周
八年级上册词汇表 Unit 1 *encyclopaedia n.百科全书 human adj.人的 dinosaur n.恐龙 *Italian n.意大利人 inventor n.发明家 musician n.音乐家 scientist n.科学家 born n.出生 countryside n.乡村 intelligence n.才智 *artistic adj.有艺术天赋的 ability n.才能，能力 perhaps adv.可能，大概 invention n.发明 notebook n.笔记本 Include v.包括 even ad v.甚至 however adv.然而 suddenly adv.突然 nobody pron.没有人 *fossil n.化石 win v.赢 dollar n.元 in the countryside 在乡村 human being 人 die out 灭绝 find out 了解 go for a walk 去散步 Unit 2 number n.数字 instruction n.指标 check v.检查 gram n.克 son n.儿子 chess n.国际象棋 India n.印度 wise adj.充满智慧的 challenge v.向（某人）挑战 promise v.许诺 prize n.奖赏 grain n.谷粒 chessboard n.象棋棋盘 double v.（使）加倍 amount n.数量
rest n.剩余部分 gold n.金子 instead adv.代替 realize v.认识到 copy v.抄写 correctly adv.正确地 traffic n.交通 accident n.（交通）事故 A long time ago 很久以前Challenge….to…向（某人）挑战And so on 等等 Copy down 抄写 Unit 3 order n.订货 compare v.比较 monitor n.显示器 speaker n.扬声器 main unit n.主机 keyboard n.键盘 mouse n.鼠标 type v.打字 brain n.脑 control v.控制 expensive adj.昂贵的 tiny adj.绩效的 depend v.依靠 *calculate v.计算 speed n.速度 operate v.操作 railway n.铁路系统 company n.公司 price n.价格 total n.总额 inch n.英寸 sell v.出售 popular adj.受喜爱的 work as 从事…….工作 (be)unaware of 没注意到; depend on 依靠 In addition 除…..以外 grand total 总计； look forward to 盼望; Unit 4 advertisement n.广告 funny adj.滑稽的 create v.创造