资源简介 Unit 4 重点单词、短语用法讲解1. balloon n. 气球例句:At my birthday party, my parents bought me a big blue balloon.(在我的生日派对上,爸爸妈妈给我买了一个大大的蓝色气球。)The children ran happily while holding the strings of their balloons.(孩子们攥着气球绳,开心地跑着。)即时演练1.Those b (气球) come in many colours, like blue, yellow and green.2. wheel n. 轮;车轮例句:My bike’s front wheel was broken, so I walked to school today.(我的自行车前轮坏了,所以今天我走路去上学。)The old man pushed a wheelchair with small wheels to the park.(那位老人推着带有小轮子的轮椅去公园。)3. central adj. 在中心的词汇拓展center(美式)/centre(英式) n. 中心;中央centrally adv. 在中心地常见词组、 搭配:in the central part of...(在…… 的中心部分)in the central part of...(在…… 的中心部分)central city(市中心)central park(中央公园,专属名词首字母大写)central idea(核心观点,阅读理解高频词)例句The post office is in the central part of our town.(邮局在我们小镇的中心部分。)What’s the central idea of this passage (这篇文章的核心观点是什么?)◆ 即时演练2. We can go for a walk in ________ (center) park.3.The ________ of the city is very busy. It's the ________ area for shopping.(centre)4. although conj. 虽然;尽管;即使连词,引导让步状语从句,从句可放句首或句中,表 “转折关系”;不能与 but 连用(though 用法相同,可互换)。【注意】不能说:“Although he is young, but he works hard.”(应去掉 but)例句Although it rained heavily, we still walked to school.(虽然雨下得很大,我们还是步行去 了学校。)We enjoyed the trip although the weather was bad.(尽管天气不好,我们还是享受了这次 旅行。)◆ 即时演练4.________ she is young, ________ she plays the piano very well.A.Although; but B.But; althoughC.Although; / D.But; /5. attach v. 把……固定;把……附(在……上)词汇拓展第三人称单数:attaches常见词组、 搭配:attach sth. to sth.(把…… 固定 / 附在…… 上)例句Please attach this label to your schoolbag.(请把这个标签贴在你的书包上。)Our teacher always attaches importance to English listening.(我们老师总是重视英语听力。)◆ 即时演练5. Sam把自行车拴在了树上。Sam ________ his bike ______ the tree.6.Our school ______ a special research center focusing on environmental studies. A. attaches B. belongs C. attaches to D. is attached to 6. pull v. 拉;拽;扯;拖pull表 “向自己方向用力的动作,如拉;拽;扯;拖”。反义词是“push(向自己相反的方向用力的动作,如推)”常见词组、 搭配:pull sth. 拉某物pull out拔出pull together齐心协力例句The bus pulled up at the bus stop.(公交车在公交站停下了。)We need to pull together to finish this project.(我们需要齐心协力完成这个项目。)◆ 即时演练7. 他努力拉那个重箱子,但箱子没动。He tried to _______ ______ __________ ________, but it didn’t move.8 . The development of new inventions can _______ society forward.A. pull B.push C.carry D.bring7. international adj. 国际的词汇拓展 internationally adv. 国际地例句:Our school has an international chess competition every year.(我们学校每年都会举办一场国际象棋比赛。)This English book has many stories about international festivals.(这本英语书里有很多关于国际节日的故事。)◆ 即时演练9. The photo was printed on all the ___________(nation) newspapers.10 . We need a peaceful ________ environment in the world. (nation)8. path n. 小路;小径词汇拓展复数:paths(注意:以 - th 结尾的清辅音名词,复数直接加 - s,而非 - es)例句:We walked along the narrow path through the forest to pick mushrooms.(我们沿着林间狭窄的小路走,去采蘑菇。)There is a stone path in the park that leads to the lake.(公园里有一条通往湖边的石板小径。)9. technique n. 技巧;技艺词汇拓展technical adj. 技术的;专业的technically adv. 技术上;专业地例句:The art teacher taught us a new painting technique in class.(美术老师在课上教了我们一种新的绘画技巧。)He practices swimming every weekend to improve his breathing technique.(他每周都练习游泳,来提升自己的呼吸技巧。)10. depend v. 需要;依靠词汇拓展dependence n. 依赖;依靠dependent adj. 依赖的;依靠的反义词:independent adj. 独立的常见词组、 搭配:depend是不及物动词,后面接宾语必须搭配介词 ondepend on sb./sth.(依靠某人 / 某物;取决于……)depend on it that...(相信……,初中拓展)例句Young children depend on their parents for food and clothes.(小孩子依靠父母提供衣食。)The success of the party depends on our preparation.(派对的成功取决于我们的准备。)◆ 即时演练11.如今,越来越多的人依靠它们。These days, more and more people them.12. —How can you be ________ without needing help or advice from other people.—I believe myself I’m able to do things alone in my own way.A. independent B. strong C. necessary D. different11. doubt n. 疑惑;疑问doubt一词多义名词n. :疑惑;疑问动词v. :怀疑词汇拓展doubtful adj. 怀疑的;不确定的常见词组、 搭配:have doubt (s) about sth.(对…… 有疑问)There is no doubt(毫无疑问)doubt sth.(怀疑某事)doubt if/whether...(怀疑是否……)don’t doubt that...(不怀疑……)例句I have some doubts about this math problem.(我对这道数学题有一些疑问。)No doubt, she will win the competition.(毫无疑问,她会赢得比赛。)I doubt if he can finish the work on time.(我怀疑他能否准时完成工作。)We don’t doubt that he is a good student.(我们不怀疑他是个好学生。)I doubt his words. 我怀疑他的话。◆ 即时演练13. I d______ whether he can finish the work on time.14. She looked at the stranger with ______ (doubt) eyes, not sure whether to trust him or not.15. 毫无疑问,教育不发达的国家将继续贫穷。There is that countries with undeveloped education will remain poor.16 . Now you're the most important player in the team! Don't _______ yourself!A.protect B. doubt C. express12. personally adv. 就个人意见personally是副词,修饰整个句子,表 “个人观点”或表 “亲自做”词汇拓展personal adj. 个人的;私人的personality n. 个性;人格person n. 人(复数:people/persons)例句Personally speaking, science is my favorite subject.(就我个人而言,科学是我最喜欢的学 科。)The headmaster will meet the visitors personally.(校长会亲自会见访客。)◆ 即时演练17.The manager of the hotel will lead you to your room . (person)13. prediction n. 预言;预测词汇拓展predict v. 预言;预测predictable adj. 可预测的常见词组、 搭配:make predictions 进行预测例句:The weather prediction says it will rain this Saturday, so we can’t go camping.(天气预报说这周六会下雨,所以我们不能去露营了。)My teacher made a prediction that I would get good grades in the math test.(老师预言我会在数学考试中取得好成绩。)◆ 即时演练18 . We should get some ________ (predict) before the earthquake (地震)14. statement n. 说明词汇拓展state v. 陈述;说明例句:The product box has a clear statement about how to use the toy.(这个玩具的包装盒上有清晰的使用说明。)The headmaster read a short statement about the school trip this morning.(今天早上校长读了一段关于学校旅行的简短说明。)◆ 即时演练19.The president made a formal ______ (state) about the environmental problem.15. benefit n. 益处;优势benefit一词多义名词n. : 益处;优势动词v. : 有益于;受益词汇拓展beneficial adj. 有益的常见词组、 搭配:the benefit of sth.(…… 的益处)get benefit from sth.(从…… 中获益)benefit sb.(使某人受益)benefit from sth.(从…… 中受益)例句Reading books can bring us many benefits.(读书能给我们带来很多益处。)We benefit a lot from daily exercise.(我们从日常锻炼中获益良多。)◆ 即时演练20. The invention of movable type has a number of _____________ (benefit).21.The new park will bring many ______ to people living in this area.A. benefits B. interests C. profits D. gains16. wing n. (飞行器的)翅膀;机翼例句:The bird flapped its wings and flew from the tree to the roof.(那只鸟扇动翅膀,从树上飞到了屋顶上。)We could see the big wings of the plane when it flew low over our school.(当飞机低飞过我们学校时,我们能看到它宽大的机翼。)17. distance n. 距离词汇拓展distant adj. 遥远的;远处的例句:The distance between my home and the supermarket is only five minutes’ walk.(我家到超市的距离只有步行五分钟的路程。)We used a ruler to measure the distance between the two marks on the paper.(我们用尺子测量了纸上两个标记之间的距离。)◆ 即时演练22 . The telephone allows people to talk to each other over long _______.A. times B.distances C.heights D. widths18. petrol n. 汽油例句:Dad stopped at the gas station to add petrol to his car yesterday.(昨天爸爸在加油站给汽车加了汽油。)This old car uses more petrol than the new one, so it’s not cheap to drive.(这辆旧车比新车耗汽油,所以开起来不便宜。)19. avoid v. 避免;防止avoid及物动词,后接 “动名词(doing)”,不能接 “不定式(to do)”,表 “避开某事 / 做某事”。常见词组、 搭配:avoid doing sth.(避免做某事)例句You should avoid making the same mistake again.(你应该避免再犯同样的错误。)She left early to avoid the heavy traffic.(她早早离开,以避开拥堵的交通。)◆ 即时演练23. He avoids _____________ (fight) with parents on this issue.24.We must ______ talking loudly in the library.A. avoid B. stop C. prevent D. keep20. anywhere adv. 在(或去)任何地方anywhere副词,表 “不确定的地点”,用于否定句、疑问句、条件句,肯定句用somewhere。词汇拓展somewhere adv. 在(或去)某个地方常见词组、 搭配:go anywhere(去任何地方)not...anywhere(到处都不……)例句I can’t find my English book anywhere.(我到处都找不到我的英语书。)Did you go anywhere interesting last summer (去年夏天你去什么有趣的地方了吗?)I want to go somewhere quiet for a holiday.(我想去个安静的地方度假。)◆ 即时演练25.He is not planning to go________.A.anywhere B.somewhere C.nowhere D.everywhere21. notice v. 看(或听)到;注意到一词多义动词v. :看(或听)到;注意到名词n. :通知;布告常见词组、 搭配:notice sb. do sth.(注意到某人做了某事,全过程)notice sb. doing sth.(注意到某人正在做某事,进行中)notice sth.(注意到某物)put up a notice(张贴通知,场景化)例句I noticed her walk into the classroom just now.(我刚才注意到她走进了教室。)He noticed a little girl crying in the street.(他注意到一个小女孩正在街上哭。)The teacher put up a notice about the exam on the wall.(老师在墙上贴了一则关于考试的 通知。)◆ 即时演练26.—Did you notice someone ________ the meeting room just now —Sorry, I was making a phone call.A.to leave B.leaves C.left D.leave22. type n. (印刷用的)活字一词多义名词n. :(印刷用的)活字;类型;种类动词v. :打字词汇拓展typical adj. 典型的;有代表性的例句:In ancient China, people used wooden type to print books.(在中国古代,人们用木活字来印刷书籍。)The museum has a collection of old metal type used for printing newspapers.(这个博物馆收藏了一批过去用于印刷报纸的金属活字。)23. mixture n. 混合物词汇拓展mix v. 混合;搅拌mixed adj. 混合的;混杂的例句:When we mix sugar and water, we get a sweet mixture.(当我们把糖和水混合时,会得到一种甜甜的混合物。)The science teacher showed us how to make a mixture of flour and milk.(科学老师给我们演示了如何制作面粉和牛奶的混合物。)◆ 即时演练27. He usually ________ (mixture) coffee with milk.28.Add the eggs to the (mix) and beat well.24. heat v. 加热;变热词汇拓展heated adj. 热的;激烈的 a heated argument 激烈的争论例句:Mom heats the milk in the microwave every morning before I drink it.(妈妈每天早上都会把牛奶放进微波炉加热,再让我喝。)The soup will heat up quickly if you put the pot on the hot stove.(如果你把锅放在热炉子上,汤很快就会变热。)◆ 即时演练29.An electric oven takes a while to up, so don’t be in a hurry. (hot)25. press v. (被)压词汇拓展pressing adj. 紧迫的;紧急的第三人称单数:presses常见词组、 搭配:press down(按下)press sth. hard(用力压某物)例句:Please press the red button if you need help in the classroom.(如果在教室里需要帮助,请按红色按钮。)She pressed the wet cloth on the table to dry the water.(她把湿布压在桌子上,来吸干水分。)◆ 即时演练30.After he p (按) the key on the computer, the door opened.26. metal n. 金属例句:My water bottle is made of metal, so it’s strong and not easy to break.(我的水杯是金属做的,所以很结实,不容易碎。)The worker used a tool to cut the piece of metal into a small square.(工人用工具把这块金属切成了一个小正方形。)27. steam locomotive 蒸汽机车例句:We saw an old steam locomotive in the railway museum last week.(上周我们在铁路博物馆看到了一辆老式蒸汽机车。)The steam locomotive was an important invention in the 19th century.(蒸汽机车是 19 世纪一项重要的发明。)28. crewed spacecraft 载人航天器例句:China has successfully sent many crewed spacecrafts into space.(中国已成功将多艘载人航天器送入太空。)The scientists are studying how to improve the safety of crewed spacecraft.(科学家们正在研究如何提高载人航天器的安全性。)29. on foot 步行介词短语,表 “出行方式”,相当于walk to sp.例句:I go to school on foot every day because my home is near.(我每天步行去上学,因为我家离学校很近。)They didn’t take the bus—they went to the park on foot.(他们没坐公交车,而是步行去了公园。)◆ 即时演练31. 他每天步行去学校He goes to school________ _________ every day.30. a number of 几个;若干a number of修饰 “可数名词复数”,表 “不确定的少量或中等数量”,谓语动词用复数形式the number of表示“…… 的数量”,谓语动词用单数形式The number of students is 50. 学生人数为50人。例句:A number of my classmates like playing basketball after class.(我的几个同学喜欢课后打篮球。)She bought a number of storybooks for her little sister yesterday.(昨天她给妹妹买了好几本故事书。)◆ 即时演练32.—Miss Chen, could you tell me ________ the students in your class —Forty-nine.A.the number of B.a number ofC.the amount of D.an amount of33. ________ students in the school is over 2, 000.________ them are from the city.A. The number of; A number of B. The number of; The number ofC. A number of; A number of D. A number of; The number of31. take place 发生;进行take place 无被动语态:不能说 “sth. is taken place”,只能说 “sth. takes place”。主语通常是 “事件、活动”(如 meeting, party, match),而非人。例句:Our school’s sports meeting will take place next Friday.(我们学校的运动会将在下周五举行。)The important meeting took place in the school hall last Monday.(那个重要的会议上周一在学校礼堂召开了。)◆ 即时演练34. 冒险故事发生在哪里?Where did the adventures ______ ______ 35.Our school sports meeting will ________ next week. I will take part in it.A.take place B.in place C.happen D.happen to32. for instance 例如;比如副词短语,作 “举例说明” 的状语,与 “for example” 用法完全一致例句:I like many fruits—for instance, apples, bananas and oranges.(我喜欢很多水果,比如苹果、香蕉和橙子。)Some students have good habits; for instance, they read books every night.(有些学生有好习惯,例如他们每天晚上读书。)◆ 即时演练36.Students have many problems nowadays. ________, they often feel worried before an exam.A.For instance B.Such as C.Like D.As for33. large amounts of 大量数量短语,修饰 “不可数名词”,表 “数量多”,谓语动词用单数形式,避免与 “large numbers of(修饰可数名词复数,谓语用复数)” 混淆。例句:The factory uses large amounts of water every day to make products.(这家工厂每天用大量的水来生产产品。)She spent large amounts of time practicing the piano last month.(上个月她花了大量时间练习钢琴。)◆ 即时演练37.Every year, Stacy pays ________ money for renting a house and buying equipment.A.many B.a large number of C.quite a few D.huge amounts of34. international trade 国际贸易例句:Many countries develop international trade to make their economy better.(很多国家通过发展国际贸易来改善经济。)This city is famous for its role in international trade between Asia and Europe.(这座城市因在亚欧国际贸易中的作用而闻名。)35. depend on 依靠;依赖例句:Young children depend on their parents for food and clothes.(小孩子依靠父母提供衣食。)Whether we go for a picnic tomorrow depends on the weather.(我们明天是否去野餐取决于天气。)◆ 即时演练38. 人们互相依赖。People ______ ______ each other 39.Whether you will succeed or not ________ how hard you work.A.depends on B.depends at C.looks after D.in order to36. 3D printer 3D 打印机例句:Our school’s science lab has a 3D printer that can make small toys.(我们学校的科学实验室有一台能打印小玩具的 3D 打印机。)Some factories use 3D printers to make parts for cars now.(现在有些工厂用 3D 打印机制作汽车零件。)37. without doubt 毫无疑问例句:Without doubt, Li Ming is one of the best students in our class.(毫无疑问,李明是我们班最优秀的学生之一。)This storybook is, without doubt, the most interesting one I’ve ever read.(这本故事书毫无疑问是我读过的最有趣的一本。)◆ 即时演练40. 毫无疑问,轮子是史上最重要的发明之一。______ ______, the wheel is one of the most important inventions _______ _____ ______.38. of all time 自古以来;有史以来例句:Many people think Mozart is one of the greatest musicians of all time.(很多人认为莫扎特是有史以来最伟大的音乐家之一。)This movie is said to be the most popular one of all time in our country.(据说这部电影是我国有史以来最受欢迎的电影之一。)39. make fun of 取笑;拿……开玩笑例句:We shouldn’t make fun of classmates who make mistakes.(我们不应该取笑犯错的同学。)It’s not polite to make fun of other people’s looks.(取笑别人的外貌是不礼貌的。)◆ 即时演练41. 我们不应该因为他口吃而取笑他。We shouldn't ______ ______ ______ him because of his stutter.40. traffic jam 堵车;交通阻塞例句:My dad was late for work this morning because of a heavy traffic jam.(我爸爸今天早上因为严重堵车上班迟到了。)There are always traffic jams on this road during rush hour.(交通高峰期时,这条路上总是堵车。)◆ 即时演练42. 我的发明能够帮助人们避免交通阻塞My invention will help people ______ __________ ______.参考答案(b)alloonscentralcentre; centralCattached; toDpull the heavy boxBnationalinternationaldepend onAdoubtdoubtfulno doubtBpersonallypredictionsstaementbenefitsABfightingAADmixesmixtureheat(p)ressedon footAAtake placeAADdepend onAWithout doubt; of all timemake fun ofavoid traffic jams 展开更多...... 收起↑ 资源预览