Unit 4 Computers.（核心知识精讲精练）-2024-2025学年英语九年级上册单元知识点总结+课文原句+例题（牛津上海版）

牛津上海版九年级上册Unit4知识点总结 一、比较级和最高级 1、比较等级的基本句型 等级 句型 例句 原级 ______________，意为“和……一样” I think this experiment is as interesting as that one. 我认为这个实验和那个实验一样有趣。 not+as/ so+原级+as，意为“不如……” Lucy is not so tall as her sister. 露西没有她姐姐那么高。 (1)less+原级+than，意为“不如……” (2)least+原级, 意为“最不.......” This experiment is _____________ than that one. 这个实验不如那个有趣。 This experiment is the least interesting of the three. 这个实验是三个实验中最无趣的。 比较级 ___________，意为“一者比另一者…” Your skirt is nicer than hers. 你的裙子比她的好看。 (1)“比较级 + and + 比较级”。表示“越来越…… ”。 (2)多音节词的只需用“more and more +形容词或副词”构成此用法。 She has been _____________ since then 从那以后，她越来越坚强 The girl has been more and more outgoing since last term. 自上学期以来，这个女孩越来越外向。 The +比较级, the +比较级 表示“_____________” The busier the traffic is, the more careful you should be in the street. 交通越繁忙，你在街上就应该越小心。 the+比较级+of the two...，意为“……两者中较为……的一个” Jack is _____________the two boys. 杰克是两个男孩中较矮的一个。 数词+______+比较级+than，意为“比……更……” This room is three times bigger than that one. 这个房间比那个房间大三倍。 比较级+than+any other+单数可数名词/比较级+than+the other+复数可数名词，意为“比其他任何一个都……” He is shorter than _____________ in his class. =He is shorter than _____________ in his class. 他比班里的其他任何一个男孩都矮。 最高级 the+形容词_____+名词+in/of/among短语 I am the tallest in my class 我是我们班里最高的 疑问词+be+the+最高级 Which is the biggest, the sun, the moon or the earth? 太阳、月亮和地球哪一个最大？ the+序数词+最高级，意为“第几最……” Canada is _____________ country in area in the world. 加拿大是世界面积第二大国。 one of the+最高级+复数名词，意为“最……之一” The population problem is one of the biggest problems in the world today. 人口问题是当今世界最大的问题之一。 2、比较级和最高级的构成 （1）规则变化 单音节和部分双音节词 多音节和部分双音节词 一般直接在词尾直接加-er或-est 以e结尾的,加-r或-st 以“辅音字母+y”结尾的，改y为i加-er或-est 重读闭音节以一个辅音字母结尾的，双写这个辅音字母后加-er或-est 在单词前加more构成比较级，加most构成最高级 sleepy→sleepier →sleepiest nice→nicer →nicest happy→happier →happiest early→earlier →earliest intelligent→more intelligent→most intelligent （2）不规则变化 原级 比较级 最高级 good\well ________ best many\much more __________ bad\badly worse worst little __________ least far farther\further farthest\furthest old older\elder oldest\eldest 形容词比较级小练 一、单项选择 1．I think hot drinks are _______ for you than cold drinks in winter. A．good B．well C．better D．best 2．—How are you feeling today, young man? —Much ________. The medicine works. Thank you, Docter. A．best B．better C．worst D．worse 3．Many people think eating at home is ________ than eating in the restaurant. A．healthy B．healthier C．healthiest D．the healthiest 4．If you learn more about safety rules, you will be much ________. A．safe B．safer C．the safest 5．—Can you teach me how to improve spoken English? —The more you practice, ______ it becomes. A．the worse B．the worst C．the better D．the best 6．The ________ you are, the ________ mistakes you’ll make. A．more careful; more B．less careful; fewer C．more careful; fewer 7．—Look! The lake is clean. I never throw litter into it. —If everyone does this, it would be ________. A．dirtier B．the dirtiest C．cleaner D．the cleanest 8．I like playing tennis. I think nothing is ________ than playing tennis. A．enjoyable B．more enjoyable C．less enjoyable 二、完成句子 9．越努力，越幸运！ The harder you work, you will be! 10．我一直相信越努力，越幸运。 I always believe that the harder I work, the I will be. 三、单词拼写 11．From pocket parks to forest parks, local governments have been making efforts to make China’s cities much g . 12．Qinghai Lake is (large) than any other salt lake in China. 13．Compared with the past, the community canteens (食堂) are providing people, both young and old, with and cheaper dishes now. (healthy) 14．Though I failed a lot times than I succeeded, I know how to fail well. (many) 二、Unit4知识点总结： 1. seem 似乎-- [siːm] --( P.53) （1）seem+形容词=_____________ 似乎... （2）seem to be+名词 似乎... （3）seem to do sth 似乎要做某事 --Your words seem to make sense. 你的话似乎有道理。 （4）It seems that... 似乎... 例句赏析：I thought I'd be bad at this, but it seems more difficult than I expected. 我原想过我不擅长这个，但它似乎比我想象的要难。、 课文原句：You never__________________________. 你似乎从不缺零用钱。 例题： The man in blue seems _______ because he always talks to others with a smile. A．friendly B．gently C．sadly D．lonely 2. enough （形容词）（副词）足够-- [ɪ'nʌf]--(P.55) （1）修饰名词放在名词前面 --_____________  足够的信息 （2）enough 修饰形容词\副词 放在形容词\副词后面 --patient enough  足够有耐心 （3）形容词\副词+enough+to do sth  足够...可以做某事 例句赏析：On the other hand, gases can often be turned into liquids and liquids into solids if they are made cold enough.  另一方面，如果气体足够冷，它们通常可以变成液体，液体可以变成固体。 课文原句：They are_____________ to put in your pocket like a bar of chocolate. 它们小到可以像巧克力一样放进你的口袋里。 例题：— Don’t worry. My mother will look after your baby _________. — Thanks a lot. A．enough careful B．careful enough C．enough carefully D．carefully enough 3. kind(形容词）友善的；（可数名词）种类--[kaɪnd]--（P.55） （1）a kind of.. 一种... --_____________ 不同种类的... （2）kind of.. 有点...+形容词\副词 （3）be kind to sb  对某人友善 （4）It’s kind of sb to do sth  某人做某事某人是友善的 词转：kindness（名词）友善；善良 --I have the dog because of your kindness.  由于你的善良  我拥有了这条狗 例句赏析：This kind of books sells well and  is sold out now.  这种书卖得很好，现在卖光了  课文原句：_____________ are so tiny that you may be unaware of them. 其他种类的计算机非常小，你可能没有意识到它们。 例题：Mrs. Green has four classes and she is ________ busy today. A．kind of B．kinds of C．a kind of D．all kinds of 4. depend（动词）视...而定--[dɪ'pend] --（P.55） （1）depend on... 取决于...;依赖... --_____________ 过于依赖某人 --depend on sb to do sth  依赖某人做某事 （2）that depends  那不一定 词转：independent（形容词）独立的 例句：The students would like to start to work so that they needn't depend on their parents.  学生们想开始工作，这样他们就不必依赖父母。 课文原句：So you probably depend on computers more than you realize. _____________ 例题：If our parents do everything for us, we won’t learn to depend on ________. A．yourself B．myself C．themselves D．ourselves 5. common（形容词）常见的；普遍的--[ˈkɒmən] --（P.55） （1）have ...in common 在..方面有共同点 （2）_____________ 没有共同点 （3）It is common knowledge that... ...是常识 例句赏析：While making friends, we’re supposed to focus on what we have in common and set aside where we disagree. 在交朋友的时候，我们应该把注意力集中在我们的共同点上，把我们的分歧放在一边。 课文原句：_____________ computers are super calculators. 众所周知，计算机是超级计算器。 例题：— What do you think of the art fair in the city center? — _______ special. It was quite common. A．Everything B．Something C．Nothing 6. 辨析“电”--（P.55） （1）electricity（名词）电 --save electricity 节约用电 --_____________ 产电 （2）electric（形容词）电的 --electric cars 电车 （3）electrical（形容词）电器的 （4）electronic（形容词）电子的 --electronic engineer 电子工程师 --electronic games 电子游戏 例句赏析：Exposed to all kinds of electronic games, the boy lost interest in his study. 由于接触各种电子游戏，这个男孩对学习失去了兴趣。 课文原句：For these reasons， we often call them_____________. 由于这些原因，我们通常称它们为电子大脑。 例题：An electronic is a smart guide. It can lead us to the place we want to go to. A．eye B．map C．book D．dictionary 7. wrong（形容词）错误的--[rɒŋ] --（P.55） （1）break down=go wrong  坏掉了 （2）there is something wrong with... ...坏了；...有毛病了 --__________________________  ..没坏；..没毛病 （3）What's wrong with you?  你怎么了？；你发生什么事了？ 好句赏析：例句：Is neither she nor I wrong？  她和我都没有错吗？ 课文原句：They can calculate very fast and _____________ 他们的计算速度很快，而且很少给出错误的答案。 例题：There is ________ with the recorder. A．something wrong B．anything wrong C．wrong something D．wrong anything 8. meaningful（形容词）有意义的--[ˈmiːnɪŋf(ə)l] --（P.55） --_____________  那段有意义的经历 词转：meaning（名词）意义；含义 （1）guess the meaning of….  猜测…的含义 （2）the meaning of friendship 友谊的意义 （3）have meaning to sb. 对某人有意义 词转：mean（动词）意思是；意味着；打算 --mean to do sth  打算做某事 --mean doing sth  意味着要做某事 --What do you mean by...?  ...是什么意思？ 好句赏析：This lack of regular physical activity means people burn fewer calories than in the past  缺乏规律的身体活动意味着人们燃烧的卡路里比过去少   课文原句：You brain can understand the meaning of things better and create new ideas. _______________ 例题：Rickey only _______ work that excites him, even if it means turning down a lot of money. A．takes off B．takes on C．takes out D．takes away 9. able(形容词）能的-- ['eɪbl] --（P.55） --be able to do sth 能够做某事 --_______________ 不能做某事 词转：ability（名词）能力 --have the ability to do sth 有能力做某事 --improve our ability 提高我们的能力 词转：enable（动词）使能够 --enable sb to do sth 使某人能够做某事 例句赏析：Balance is the ability to remain steady when you are standing up. 平衡是当你站起来时保持稳定的能力。 课文原句：One day computers may______________________________and even do them better. 有一天，计算机也许能做人脑能做的大部分事情，甚至做得更好。 例题：—What do you think of Sophia and her work performance? —I think she is really able and friendly. It is a great ________ to work with her. A．courage B．pleasure C．treasure D．worth 10. 辨析“rise” 和“raise” --（P.55） （1）rise （不及物动词）升起--不需要借助外力 --_______________  海平面会上升 --the price of ...has risen a lot   ...的价格已经上涨很多了 --rise into the air  升到空中 （2）raise（及物动词）举起；养育；筹集--需要借助外力 --raise one’s voice  提高某人的声音 --raise the child  抚养那个孩子 --raise money for...  为..筹钱 例句赏析：This year, the poor harvest caused prices to rise sharply.  今年，歉收导致价格大幅上涨。 课文原句：If this is true，______________________________. 如果这是真的，就会引发一些有趣的问题。 11. 辨析“take place” 和“happen” --（P.55） （1）take place  指的是按照计划发生，没有被动语态 --______________________________ 会议在上周举行 （2）happen 指的是偶然发生，没有被动语态，一般以sth 作主语 ①sth happen to sb  某人发生某事 ②sb happen to do sth  某人碰巧做某事 --It was hard to enjoy ourselves with a serious storm happening outside. 外面下着一场大风暴，我们很难玩得开心。 例句赏析：It’s dangerous to run wildly in all directions when an earthquake happens.  地震发生时，向四面八方疯狂奔跑是很危险的。 课文原句：_______________ if computers can do our jobs？如果电脑能做我们的工作，我们会发生什么? 例题：In most plays, the __________ show when and where each scene happens. A．parts B．characters C．dialogues D．settings 12. change(动词)（名词）改变--[tʃeɪndʒ] --（P.55） （1）change into… 变成… --_______________  把…变成… （2）change a lot  变化很大 （3）change one’s ideas  改变某人的想法 （4）change one’s bad learning habits  改变某人糟糕的学习习惯 词转：changeable（形容词）多变的 例句赏析：Unless Tom changes his bad learning habits, he will fall behind other students.  除非汤姆改变他的不良学习习惯，否则他将落后于其他学生。 课文原句：Computers may_______________，but will they make them better? 电脑可能会改变我们的生活，但它们会让生活变得更好吗? 例题：Great changes ________ in my hometown in the past five years. A．take place B．took place C．have taken place P.66页课文知识点 （1）develop the concept of linking computers together发展将计算机连接在一起的概念 （2）share resources with each other 彼此分享资源 （3）be transported 被运输 （4）be compatible with each other 彼此兼容 （5）overcome these difficulties 克服这些困难 （6）the number of users 用户的数量--作主语 谓语动词用三单 （7）be more widely available across the world在世界范围内更广泛地使用 （8）in every continent in the world 在世界各大洲 （9）become more convenient to carry around 变得更方便携带 （10）a wide range of services available 广泛的可用的服务 （11）send instant messages to people 给人们发送即时消息 例题： 1．With the (develop) of e-book technology, probably an e-book library will appear. 2．We must stop wasting (nature) resources in our daily life. 3．It is difficult for parents with young children to use the public （transport）. 4．Wang Wenbin, a famous spokesman, has no difficulty (表达) himself clearly at different kinds of international meetings. 5．The number of students (增长) by almost 30%. 6．Uniforms should be (wide) available in street stores and on the Internet. 7．Africa is the second (large) continent in the world. 原创精品资源学科网独家享有版权，侵权必究！1 学科网（北京）股份有限公司 $$ 牛津上海版九年级上册Unit4知识点总结 一、比较级和最高级 1、比较等级的基本句型 等级 句型 例句 原级 as+原级+as，意为“和……一样” I think this experiment is as interesting as that one. 我认为这个实验和那个实验一样有趣。 not+as/ so+原级+as，意为“不如……” Lucy is not so tall as her sister. 露西没有她姐姐那么高。 (1)less+原级+than，意为“不如……” (2)least+原级, 意为“最不.......” This experiment is less interesting than that one. 这个实验不如那个有趣。 This experiment is the least interesting of the three. 这个实验是三个实验中最无趣的。 比较级 比较级+than，意为“一者比另一者…” Your skirt is nicer than hers. 你的裙子比她的好看。 (1)“比较级 + and + 比较级”。表示“越来越…… ”。 (2)多音节词的只需用“more and more +形容词或副词”构成此用法。 She has been stronger and stronger since then 从那以后，她越来越坚强 The girl has been more and more outgoing since last term. 自上学期以来，这个女孩越来越外向。 The +比较级, the +比较级 表示“越,...,就越....” The busier the traffic is, the more careful you should be in the street. 交通越繁忙，你在街上就应该越小心。 the+比较级+of the two...，意为“……两者中较为……的一个” Jack is the shorter of the two boys. 杰克是两个男孩中较矮的一个。 数词+times+比较级+than，意为“比……更……” This room is three times bigger than that one. 这个房间比那个房间大三倍。 比较级+than+any other+单数可数名词/比较级+than+the other+复数可数名词，意为“比其他任何一个都……” He is shorter than any other boy in his class. =He is shorter than the other boys in his class. 他比班里的其他任何一个男孩都矮。 最高级 the+形容词最高级+名词+in/of/among短语 I am the tallest in my class 我是我们班里最高的 疑问词+be+the+最高级 Which is the biggest, the sun, the moon or the earth? 太阳、月亮和地球哪一个最大？ the+序数词+最高级，意为“第几最……” Canada is the second largest country in area in the world. 加拿大是世界面积第二大国。 one of the+最高级+复数名词，意为“最……之一” The population problem is one of the biggest problems in the world today. 人口问题是当今世界最大的问题之一。 2、比较级和最高级的构成 （1）规则变化 单音节和部分双音节词 多音节和部分双音节词 一般直接在词尾直接加-er或-est 以e结尾的,加-r或-st 以“辅音字母+y”结尾的，改y为i加-er或-est 重读闭音节以一个辅音字母结尾的，双写这个辅音字母后加-er或-est 在单词前加more构成比较级，加most构成最高级 sleepy→sleepier →sleepiest nice→nicer →nicest happy→happier →happiest early→earlier →earliest intelligent→more intelligent→most intelligent （2）不规则变化 原级 比较级 最高级 good\well better best many\much more most bad\badly worse worst little less least far farther\further farthest\furthest old older\elder oldest\eldest 形容词比较级小练 一、单项选择 1．I think hot drinks are _______ for you than cold drinks in winter. A．good B．well C．better D．best 【答案】C 【详解】句意：我认为冬天热饮料比冷饮更适合你。 考查形容词比较级。good好的；well好；better更好的；best最好的。根据句中的than可知，这里应该用比较级，故选C。 2．—How are you feeling today, young man? —Much ________. The medicine works. Thank you, Docter. A．best B．better C．worst D．worse 【答案】B 【详解】句意：——年轻人，你今天感觉怎么样？——好多了。这药有效。谢谢您，医生。 考查形容词辨析和比较级的用法。best最好的；better更好的；worst最坏的；worse更坏的。根据“The medicine works.”可知，药有效，所以感觉更好了，much修饰形容词比较级，故选B。 3．Many people think eating at home is ________ than eating in the restaurant. A．healthy B．healthier C．healthiest D．the healthiest 【答案】B 【详解】句意：许多人认为在家吃饭比在餐馆吃饭更健康。 考查形容词比较级。根据“than”可知，应使用形容词比较级，故选B。 4．If you learn more about safety rules, you will be much ________. A．safe B．safer C．the safest 【答案】B 【详解】句意：如果你多了解一些安全规则，你就会安全得多。 考查比较级。much修饰比较级，此空应填safer，故选B。 5．—Can you teach me how to improve spoken English? —The more you practice, ______ it becomes. A．the worse B．the worst C．the better D．the best 【答案】C 【详解】句意：——你能教我如何提高英语口语吗？——你练习得越多，口语就越好。 考查比较级。worse更差的；worst最差的；better更好的；best最好的。练习得越多，英语口语就会越好。此处是“The+比较级, the+比较级”句式，意为“越……，就越……”。故选C。 6．The ________ you are, the ________ mistakes you’ll make. A．more careful; more B．less careful; fewer C．more careful; fewer 【答案】C 【详解】句意：你越小心，你犯的错误就越少。 考查形容词辨析。more careful更细心的；less careful不那么细心的。more更多的；fewer更少的。“the+比较级，the+比较级”结构表示“越……越……”，根据“The...you are, the...mistakes you’ll make.”可知，本句表示“你越小心，你犯的错误就越少”，第一空要用more careful“更仔细的”，第二空用fewer mistakes“更少的错误”。故选C。 7．—Look! The lake is clean. I never throw litter into it. —If everyone does this, it would be ________. A．dirtier B．the dirtiest C．cleaner D．the cleanest 【答案】C 【详解】句意：——看！这个湖很干净。我从不往里面扔垃圾。——如果每个人都这样做，它会更干净。 考查形容词辨析以及比较级。dirtier更脏；the dirtiest最脏；cleaner更干净；the cleanest最干净。根据“I never throw litter into it.”以及“If everyone does this, it would be”可知如果每个人都不往湖里扔垃圾，它会更干净，故此处用比较级cleaner。故选C。 8．I like playing tennis. I think nothing is ________ than playing tennis. A．enjoyable B．more enjoyable C．less enjoyable 【答案】B 【详解】句意：我喜欢打网球。我认为没什么比打网球更有趣。 考查形容词比较级。根据than可知，此空为形容词比较级，排除A；根据“I like playing tennis.”可知喜欢网球，所以觉得没有什么更有趣了。故选B。 二、完成句子 9．越努力，越幸运！ The harder you work, you will be! 【答案】 the luckier 【详解】此处是“The+比较级，the+比较级”结构，luckier“更幸运的”。故填the；luckier。 10．我一直相信越努力，越幸运。 I always believe that the harder I work, the I will be. 【答案】luckier 【详解】此句是“the+比较级，the+比较级”句型，表示“越……，就越……”。lucky“幸运的”，其比较级为luckier。故填luckier。 三、单词拼写 11．From pocket parks to forest parks, local governments have been making efforts to make China’s cities much g . 【答案】(g)reener 【详解】句意：从小型公园到森林公园，地方政府一直在努力让中国的城市更加环保。根据首字母及“From pocket parks to forest parks”可知，小型公园到森林公园的变迁表现了政府在使城市更加绿色环保方面付出的努力。green“环保的，绿色的”，形容词，作宾语补足语。空前的much修饰比较级，故用其比较级形式。故填(g)reener。 12．Qinghai Lake is (large) than any other salt lake in China. 【答案】larger 【详解】句意：青海湖比中国任何一个盐湖都大。根据“than any other”可知，此处应使用形容词比较级，故填larger。 13．Compared with the past, the community canteens (食堂) are providing people, both young and old, with and cheaper dishes now. (healthy) 【答案】healthier 【详解】句意：与过去相比，社区食堂现在为年轻人和老年人提供更健康、更便宜的菜肴。healthy“健康的”，形容词。根据“Compared with the past”及“cheaper”可知，此处表比较，应用比较级healthier“更健康的”，作定语修饰名词。故填healthier。 14．Though I failed a lot times than I succeeded, I know how to fail well. (many) 【答案】more 【详解】句意：虽然我失败的次数比我成功的次数要多，但我知道如何很好地失败。many“很多”，由“than”可知，此处用其比较级。故填more。 二、Unit4知识点总结： 1. seem 似乎-- [siːm] --( P.53) （1）seem+形容词=seem to be+形容词 似乎... （2）seem to be+名词 似乎... （3）seem to do sth 似乎要做某事 --Your words seem to make sense. 你的话似乎有道理。 （4）It seems that... 似乎... 例句赏析：I thought I'd be bad at this, but it seems more difficult than I expected. 我原想过我不擅长这个，但它似乎比我想象的要难。、 课文原句：You never seem to be short of pocket money. 你似乎从不缺零用钱。 例题： The man in blue seems ____ A ____ because he always talks to others with a smile. A．friendly B．gently C．sadly D．lonely 2. enough （形容词）（副词）足够-- [ɪ'nʌf]--(P.55) （1）修饰名词放在名词前面 --enough information  足够的信息 （2）enough 修饰形容词\副词 放在形容词\副词后面 --patient enough  足够有耐心 （3）形容词\副词+enough+to do sth  足够...可以做某事 例句赏析：On the other hand, gases can often be turned into liquids and liquids into solids if they are made cold enough.  另一方面，如果气体足够冷，它们通常可以变成液体，液体可以变成固体。 课文原句：They are small enough to put in your pocket like a bar of chocolate. 它们小到可以像巧克力一样放进你的口袋里。 例题：— Don’t worry. My mother will look after your baby ____ D ______. — Thanks a lot. A．enough careful B．careful enough C．enough carefully D．carefully enough 3. kind(形容词）友善的；（可数名词）种类--[kaɪnd]--（P.55） （1）a kind of.. 一种... --different kinds of... 不同种类的... （2）kind of.. 有点...+形容词\副词 （3）be kind to sb  对某人友善 （4）It’s kind of sb to do sth  某人做某事某人是友善的 词转：kindness（名词）友善；善良 --I have the dog because of your kindness.  由于你的善良  我拥有了这条狗 例句赏析：This kind of books sells well and  is sold out now.  这种书卖得很好，现在卖光了  课文原句：Other kinds of computers are so tiny that you may be unaware of them. 其他种类的计算机非常小，你可能没有意识到它们。 例题：Mrs. Green has four classes and she is ___ A _____ busy today. A．kind of B．kinds of C．a kind of D．all kinds of 4. depend（动词）视...而定--[dɪ'pend] --（P.55） （1）depend on... 取决于...;依赖... --depend on sb too much 过于依赖某人 --depend on sb to do sth  依赖某人做某事 （2）that depends  那不一定 词转：independent（形容词）独立的 例句：The students would like to start to work so that they needn't depend on their parents.  学生们想开始工作，这样他们就不必依赖父母。 课文原句：So you probably depend on computers more than you realize. 所以你可能比你意识到的更依赖电脑。 例题：If our parents do everything for us, we won’t learn to depend on ___ D _____. A．yourself B．myself C．themselves D．ourselves 5. common（形容词）常见的；普遍的--[ˈkɒmən] --（P.55） （1）have ...in common 在..方面有共同点 （2）have nothing in common 没有共同点 （3）It is common knowledge that... ...是常识 例句赏析：While making friends, we’re supposed to focus on what we have in common and set aside where we disagree. 在交朋友的时候，我们应该把注意力集中在我们的共同点上，把我们的分歧放在一边。 课文原句：It is common knowledge that computers are super calculators. 众所周知，计算机是超级计算器。 例题：— What do you think of the art fair in the city center? — ____ C ____ special. It was quite common. A．Everything B．Something C．Nothing 6. 辨析“电”--（P.55） （1）electricity（名词）电 --save electricity 节约用电 --produce electricity 产电 （2）electric（形容词）电的 --electric cars 电车 （3）electrical（形容词）电器的 （4）electronic（形容词）电子的 --electronic engineer 电子工程师 --electronic games 电子游戏 例句赏析：Exposed to all kinds of electronic games, the boy lost interest in his study. 由于接触各种电子游戏，这个男孩对学习失去了兴趣。 课文原句：For these reasons， we often call them electronic brains. 由于这些原因，我们通常称它们为电子大脑。 例题：An electronic B is a smart guide. It can lead us to the place we want to go to. A．eye B．map C．book D．dictionary 7. wrong（形容词）错误的--[rɒŋ] --（P.55） （1）break down=go wrong  坏掉了 （2）there is something wrong with... ...坏了；...有毛病了 --there is nothing wrong with...  ..没坏；..没毛病 （3）What's wrong with you?  你怎么了？；你发生什么事了？ 好句赏析：例句：Is neither she nor I wrong？  她和我都没有错吗？ 课文原句：They can calculate very fast and rarely give wrong answers. 他们的计算速度很快，而且很少给出错误的答案。 例题：There is ____ A ____ with the recorder. A．something wrong B．anything wrong C．wrong something D．wrong anything 8. meaningful（形容词）有意义的--[ˈmiːnɪŋf(ə)l] --（P.55） -- the meaningful experience  那段有意义的经历 词转：meaning（名词）意义；含义 （1）guess the meaning of….  猜测…的含义 （2）the meaning of friendship 友谊的意义 （3）have meaning to sb. 对某人有意义 词转：mean（动词）意思是；意味着；打算 --mean to do sth  打算做某事 --mean doing sth  意味着要做某事 --What do you mean by...?  ...是什么意思？ 好句赏析：This lack of regular physical activity means people burn fewer calories than in the past  缺乏规律的身体活动意味着人们燃烧的卡路里比过去少   课文原句：You brain can understand the meaning of things better and create new ideas. 你的大脑可以更好地理解事物的含义，并创造新的想法。 例题：Rickey only ____ B ____ work that excites him, even if it means turning down a lot of money. A．takes off B．takes on C．takes out D．takes away 9. able(形容词）能的-- ['eɪbl] --（P.55） --be able to do sth 能够做某事 --be not able to do sth 不能做某事 词转：ability（名词）能力 --have the ability to do sth 有能力做某事 --improve our ability 提高我们的能力 词转：enable（动词）使能够 --enable sb to do sth 使某人能够做某事 例句赏析：Balance is the ability to remain steady when you are standing up. 平衡是当你站起来时保持稳定的能力。 课文原句：One day computers may be able to do most things that a human brain can do and even do them better. 有一天，计算机也许能做人脑能做的大部分事情，甚至做得更好。 例题：—What do you think of Sophia and her work performance? —I think she is really able and friendly. It is a great ____ B ____ to work with her. A．courage B．pleasure C．treasure D．worth 10. 辨析“rise” 和“raise” --（P.55） （1）rise （不及物动词）升起--不需要借助外力 --the sea level will rise  海平面会上升 --the price of ...has risen a lot   ...的价格已经上涨很多了 --rise into the air  升到空中 （2）raise（及物动词）举起；养育；筹集--需要借助外力 --raise one’s voice  提高某人的声音 --raise the child  抚养那个孩子 --raise money for...  为..筹钱 例句赏析：This year, the poor harvest caused prices to rise sharply.  今年，歉收导致价格大幅上涨。 课文原句：If this is true，it raises some interesting questions. 如果这是真的，就会引发一些有趣的问题。 11. 辨析“take place” 和“happen” --（P.55） （1）take place  指的是按照计划发生，没有被动语态 --The meeting took place last weekend  会议在上周举行 （2）happen 指的是偶然发生，没有被动语态，一般以sth 作主语 ①sth happen to sb  某人发生某事 ②sb happen to do sth  某人碰巧做某事 --It was hard to enjoy ourselves with a serious storm happening outside. 外面下着一场大风暴，我们很难玩得开心。 例句赏析：It’s dangerous to run wildly in all directions when an earthquake happens.  地震发生时，向四面八方疯狂奔跑是很危险的。 课文原句：What will happen to us if computers can do our jobs？如果电脑能做我们的工作，我们会发生什么? 例题：In most plays, the _____ D ______ show when and where each scene happens. A．parts B．characters C．dialogues D．settings 12. change(动词)（名词）改变--[tʃeɪndʒ] --（P.55） （1）change into… 变成… --change…into…  把…变成… （2）change a lot  变化很大 （3）change one’s ideas  改变某人的想法 （4）change one’s bad learning habits  改变某人糟糕的学习习惯 词转：changeable（形容词）多变的 例句赏析：Unless Tom changes his bad learning habits, he will fall behind other students.  除非汤姆改变他的不良学习习惯，否则他将落后于其他学生。 课文原句：Computers may change our lives，but will they make them better? 电脑可能会改变我们的生活，但它们会让生活变得更好吗? 例题：Great changes ___ C _____ in my hometown in the past five years. A．take place B．took place C．have taken place P.66页课文知识点 （1）develop the concept of linking computers together发展将计算机连接在一起的概念 （2）share resources with each other 彼此分享资源 （3）be transported 被运输 （4）be compatible with each other 彼此兼容 （5）overcome these difficulties 克服这些困难 （6）the number of users 用户的数量--作主语 谓语动词用三单 （7）be more widely available across the world在世界范围内更广泛地使用 （8）in every continent in the world 在世界各大洲 （9）become more convenient to carry around 变得更方便携带 （10）a wide range of services available 广泛的可用的服务 （11）send instant messages to people 给人们发送即时消息 例题： 1．With the (develop) of e-book technology, probably an e-book library will appear. 【答案】development 2．We must stop wasting (nature) resources in our daily life. 【答案】natural 3．It is difficult for parents with young children to use the public （transport）. 【答案】transportation 4．Wang Wenbin, a famous spokesman, has no difficulty (表达) himself clearly at different kinds of international meetings. 【答案】expressing 5．The number of students (增长) by almost 30%. 【答案】increased 6．Uniforms should be (wide) available in street stores and on the Internet. 【答案】widely 7．Africa is the second (large) continent in the world. 【答案】largest 原创精品资源学科网独家享有版权，侵权必究！1 学科网（北京）股份有限公司 $$