冀教版八年级英语下册Unit1--2知识点
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Unit One一、重点词组1. be scared of sb./sth. 恐惧某人/某物2. go up 上升 , 与rise 同义,与go down 或set 相反3. make a noise 发出声响,吵闹4. arrive in 到达,表示到达某一城市、国家等大地方时,用介词in;表示到达某一村庄、车站等小地方时,用介词at ;到达的地方用副词表示时,可不用介词。
5. not…until…直到……才……6. see…doing…停止做某事7. go cycling 相当于 go to ride a bike ,意思是去骑车。
8. nit sb. on the head 表示“打某人的头”,表示的“打某人的脸”要用hit sb. in the face 。
9. turn around 转身10. fall off 摔下来11. give sb. a push 推某人一下12. stop doing13. get off 从……下来,通常指下火车、巴士、轮船、飞机等。
14. think about 思考、想起、想到(某人或某事)15. all day 一整天16. one by one 一个接一个地,类似的有year by year 一年又一年;day by day 一天又一天。
17. hold on 有两个意思,一个是“(电话)不挂断”;一个是“抓紧”。
18. come down 下来19. help sb. do sth. = help sb. with sth. 帮助某人做某事二、重点句型1. What’s the weather like today ?=How is the weather ? 今天天气怎么样?是用来询问天气状况的句子。
2. What’s the temperature ? 今天气温几度?问温度的句型,注意问温度多少时,不用 how many 或 how much , 要用what 。
冀教版英语八年级下册单元知识点总结(全册)Unit 1: I used to be afraid of the dark- Vocabulary:- afraid, dark, lightning, electricity, thunder, cliff, scene- Grammar:- Used to + verb- Talking about past fears and how you overcame themUnit 2: What should I do?- Vocabulary:- should, stick, embarrassed, apologize, rude, polite, behavior- Grammar:- Giving advice- Should/shouldn't + verb- How about + verb-ing?- Giving advice and making suggestions- Apologizing and accepting apologiesUnit 3: Teenagers should be allowed to choose their own clothes- Vocabulary:- teenager, allow, choose, own, opinion, uniform, fancy, cloth, trend - Grammar:- Expressing opinions and agreement/disagreement- Making and responding to suggestions- Expressing agreement/disagreementUnit 4: What’s the best movie theater?- Vocabulary:- Grammar:- Expressing preferencesUnit 5: Have you ever been to an amusement park?- Vocabulary:- amusement park, roller coaster, thrilling, scream, dizzy, frighten, attraction, entertainment, environment- Grammar:- Present perfect tense- Talking about experiences using present perfect tense- Describing personal reactions and feelings- Vocabulary:- Grammar:- Future plan using be going to- Talking about future plans and aspirations- Asking and answering questions about university lifeUnit 7: Will people have robots?- Vocabulary:- robot, virtual, reality, device, intelligent, predict, possibility, design, manufacturer- Grammar:- Future with will- Talking about hypothetical future scenarios- Expressing predictions and possibilitiesUnit 8: How do you make a banana milkshake?- Vocabulary:- banana, milkshake, ingredient, recipe, mixture, pour, pulp, texture, equipment- Grammar:- Imperatives and sequencing- Describing food tastes and preferences总结以上八个单元的内容,我们学习了各种各样的单词和语法,不仅提高了我们的英语水平,还学会了多种与人交流的技巧,如表达观点、评价、建议、预测等。
千里之行,始于足下。
202X年冀教版八年级下英语全册重点内容总结202X年冀教版八年级下英语全册的重点内容总结如下:1. Unit 1: Hurricane Storms-学习有关自然灾害的词汇和短语:hurricane, storm, disaster, damage, etc.-掌握描述和询问天气状况的句型:What's the weather like? It'ssunny/cloudy/windy, etc.-了解有关飓风的知识和安全措施。
2. Unit 2: The American Dream-学习有关美国历史和文化的知识:Declaration of Independence,Statue of Liberty, etc.-了解美国梦的概念和内涵。
-学习有关移民和多元文化的词汇和短语:immigrant, diversity, etc.3. Unit 3: The Power of Nature-学习有关自然景观的词汇和短语:waterfall, volcano, desert, etc.-了解不同自然景观的特点和形成原因。
-学习描述风景的形容词和短语,如beautiful, breathtaking, etc.4. Unit 4: Past and Future-学习有关过去和将来时态的用法和规则。
-复习一般现在时和过去时的用法。
-学习过去和将来时态的标志词和时间状语。
5. Unit 5: Inventions第1页/共2页锲而不舍,金石可镂。
-学习有关发明和发明家的词汇和短语:invention, inventor, etc.-了解一些重要的发明和他们的影响。
-学习描述发明的功能和用途的句型。
6. Unit 6: Language and Communication-学习有关语言和交流的词汇和短语:bilingual, gesture, etc.-了解不同语言的特点和交流方式。
英语书冀教版八下知识点:Step by Step Thinking简介本文将介绍冀教版八年级下册英语书的一些重要知识点,帮助学生们更好地理解和掌握英语知识,提高英语学习水平。
一、课文内容概述本册英语书共分为8个单元,每个单元包含了课文、语法、词汇等内容。
以下是每个单元的主要内容概述:1.Unit 1: Our Class - 介绍班级成员、询问个人信息等。
2.Unit 2: Family - 描述家庭成员、家庭活动等。
3.Unit 3: Personal Information - 谈论个人信息、兴趣爱好等。
4.Unit 4: School Life - 介绍学校生活、课程等。
5.Unit 5: At the Fun Fair - 描述娱乐活动、玩具等。
6.Unit 6: Health and Fitness - 谈论健康和健身、运动等。
7.Unit 7: The Weather - 描述天气情况、季节等。
8.Unit 8: Travel - 谈论旅行、交通工具等。
二、课文学习方法学习英语需要一步一步地进行,以下是一些学习方法,以帮助学生更有效地掌握知识:1.阅读课文:首先阅读课文,了解文章的主题和大意。
注意标点符号、语调和语气。
2.学习词汇:在课文中标记出生词和短语,并进行拼写和发音练习。
可以使用词典进行查阅。
3.理解句子结构:分析句子的结构,包括主语、谓语、宾语和修饰语。
理解句子结构有助于理解句子的意思。
4.认识语法规则:学习课文中出现的语法规则,例如时态、被动语态和复合句等。
通过练习巩固所学的语法知识。
5.口语练习:以课文内容为基础进行口语练习,模仿录音或与同伴进行对话练习。
6.写作练习:根据课文内容进行写作练习,练习句子的构造和语法规则的应用。
三、学习资源推荐除了教材中提供的内容外,以下是一些推荐的学习资源,有助于更全面地提高英语水平:1.在线词典:利用在线词典进行单词查询和发音练习,例如Merriam-Webster和Oxford Learner’s Dictionaries等。
必背单词1.shower n.阵雨;淋浴→take/have a shower洗淋浴→shower v.淋浴→showery adj.下阵雨的;多阵雨的2.rise v.& n.( rose/risen )升起;上升;增加→on the rise在增加,在上涨☆识记类单词3.thunderstorm n. 雷雨;雷暴4.thunder n. 雷(声)5.sunrise n.日出6.sunset n.日落7.set v. ( set/ set )落沉;放置;制定8.exact adj. 精确的;准确的→exactly adv. 确切地必背短语9.be scared of害怕→be scared of sb./sth. /doing sth.害怕某人/某物/做某事。
相当于“be afraid of sb./sth./doing sth.”。
→be scared to do sth. 害怕做某事。
相当于“be afraid to do sth.”。
必背句子10.I hope not!我希望不是这样→I hope so.我希望如此。
11.When it snows, it's not hot.当下雪时,天不会热。
12.It will reach 10℃during the day.白天将达到10摄氏度。
13.Spring is coming.春天就要来了。
14.Is it going to rain, Danny?丹尼,天要下雨了吗?15.There will be a shower this afternoon.今天下午将有一场阵雨。
16.What strange weather!多么奇怪的天气啊!必背单词1.neither conj. & adv.既不;也不;(二老)都不→neither在句中作主语时,常与of连用,后跟复数名词或代词,谓语动词用单、复数形式均可。
→neither…nor…既不……也不……→either pron.(两者中的)任何一个→both pron.两者都2.nor conj. & adv.也不;也没☆识记类单词3.boot n. 靴;靴子→boots (常用于复数)4.jasmine n.茉莉5.blossom v.开花;n. 花朵6.sunshine n. 阳光7.Tai Chi n. 太极8.swing n. 秋千;v. (swung/swung)打秋千;摇摆必背短语9.neither…nor 既不……也不→both…and… 两者都→连接两个并列主语时,谓语动词用复数形式。
Unit 1 Spring Is Coming!1.temperature n.温度What's the temperature? 温度是多少?take the temperature 量体温2.What's the weather like today?=How is the weather today? 今天天气怎么样?3.What will the weather be like tomorrow?=How will the weather be tomorrow?明天天气怎么样?4.have/take a shower 淋浴5.on the radio 在收音机上6.exact time 准确时间7.there will be =there is/are going to be将会有(后面单数is复数are)8.be scared of 害怕...be scared to do sth. 害怕做某事be afraid of ... 害怕...be afraid to do sth. 害怕做某事9.reach sp.=arrive at/in sp.=get to sp. 到达某地reach home=get home=arrive home 到家10.see sb. doing sth.看见某人正在做某事see sb. do sth.看见某人做了某事hear sb. doing sth.11.winter jasmine 迎春花12.practice v.练习;实践practice doing sth.13.plan a field trip to the country计划一次去乡村的野外旅行a trip to sp.一次去某地的旅行14.Both...and.... ...和...都...(否定句)Neither....nor.... ...既不....也不(就近原则)15.Both of...两者都(复数结构)(否定句)Neither of....两者都不(单数结构)16.就近原则There be 有....Either...or... 或者....或者..... Neither...nor... 既不...也不....Not only... but also... 不但....而且.... 17.四种“变”become 职位get (天气)变长、变热、变干turn 颜色go 变质go bad 变坏18.The wind blows gently. (gentle---gently)风温柔地吹着。
L e s s o n11.W h a t’s t he w e a t h e r lik e to da y?=Ho w is t h e w e at he r t od a y?2.I t’s n o t s n ow i n g.=I t’s n o t sn o w y.3.a t hu n de r st or m=a st o r m w i t h th u n d e r4.I h o pe n ot!I h op e so.I d on’t ho p e so.=I h o p e n o t.I’m a fr ai d so.I’m a fr ai d no t.I t hi n k so.I do n’t t h i nk s o.=I t h ink n o t.5.b e sca r e d/af r a id o f sb./sth.“恐惧某人/某物”be scar e d/a fr aid t o d o st h.“恐惧做某事”L e sso n21.W h a t’s t he d at e to da y?=W h a t i s t od a y’s d at e?2.W h a t d a y is to da y?=W h at d ay(of t h e w ee k)is it t od ay?3.b e co m e=g e t“变得”系动词常接形容词作表语be c om e“成为”系动词常接名词作表语4.m ak e a n o i se“发出声响,吵闹”L e sso n3t o=g o to…o n f o o t st h an d se e sth.(h e ar,f in d,w a tc h).3w ill…in+一段时间(Ho w soo n提问)y ou f or+n/in g,t h e gr ass 6.in th e sn o w…un t ill“直到……才”Th e y d id n’t lea v e un t il th e y fin ishe d t h e w or k.8.区分a r r ive i n/a t,re ach,g et to+月/年/季节L e sso n4o n e b y o n e:on e af t e r a n o t h e r“一个接一个地”d a y b y da y一天一天地ye ar b y y e ar一年一年地…l esso n51.提建议的方法:L e t’s+do……Sha ll w e d o……H o w/W ha t ab ou t d o in g……W h y n o t do……Yo u h ad b et te r(no t)d o……W ou ld yo u p le a se do……的用法:hi t sb.i n t he f ace打某人的脸h it sb.on t h e n o se打某人的鼻子h it sb.on t he h ea d打某人的头L e sso n61H ow t o m ak e su g g e st ion s?(如何提建议)Sh al l/I w e…?H ow/W ha t a b ou t st h./d oi n g st h?Le t’s(no t)d o st h.W o u ld yo u l i ke sth./t o do sth?W h y d o n’t y ou d o st h.?=W h y n o t d o sth.?M ay/Ca n I…?2.at th e p l ay gr o u n d=in/o n t h e pl ay g r o u n d3.t h a n k sb.f or d oi n g st h.t h a nk sb.fo r st h.Eg:Th an k yo u fo r he l p in g m e.=Th a n k y ou f or y ou r h e lp.4.h o ld o n“(电话)不挂断”“抓紧”5.I t’s t im e f o r st h.I t’s t i m e(fo r sb.)t o d o sth.6.st op to d o st h.“停止或中断做某事后去做另一件事”sto p do in g st h.“停止做某事”7.g e t o ff“从……下来”8.g e t of f g et o n9.loo k l i ke“看起来像……”L e sso n7d ow n下来o f f摔下来of f从下来;d o w n转身on抓住;抓紧sb a pu sh离开推某人一下da y全天;整天+g r o u n d p la yg r o u n d k il o+m et r e k ilo m e t r en e w s+p a p er n e w sp ap e r foo t+b a ll foo t b a lln o+b o d y n ob o d y a ir+p lan e ai r p lan eso m e+ti me som e tim e ou t+sid e ou t sid eb a t h+r oo m b a t h r o o m sn o w+ba l l sn o w b a ll2.播音b e on t h e r ad io升起r ise=g o/co m e u p在白天i n d a y lig h t=i n t h e da yL e sso n91.Gr o w int o变成,发育成2.W o u ld yo u p lea se(n o t)d o…请你(别)做某事好吗?3.len d sth.t o sb.=le n d sb.st h.借给某人某物Eg:Co uld yo u le n d m e y ou r r u le r?4.Co ve r…w i t h…用---覆盖--e g:Co ve r yo u r ey es w it h t h e b o ok5..…b e co ve r e d w i th…被盖住e g:Th e e ar t h is co ve r ed w it h sn owL e sso n111.lo ok a ft e r照料,照顾。
最新冀教版英语八年级下册知识点总结本文档总结了最新冀教版英语八年级下册的知识点,旨在帮助学生复和掌握课程要点。
单元知识点Unit 1 - Making a Difference- Vocabulary: key words and phrases related to making a difference - Grammar: present continuous tense and present continuous for future arrangements- Writing: writing a report on a project that made a differenceUnit 2 - Ancient Civilizations- Vocabulary: key words and phrases related to ancient civilizations - Grammar: past simple tense and past continuous tense- Writing: writing a paragraph about an ancient civilizationUnit 3 - The Power of Nature- Vocabulary: key words and phrases related to natural disasters - Grammar: modal verbs for advice and suggestions- Writing: writing a letter of advice to someone living in an area prone to natural disasters- Grammar: direct and indirect speech- Writing: writing a dialogue between two friends discussing the benefits and drawbacks of social mediaUnit 5 - Health and Well-being- Vocabulary: key words and phrases related to health and well-being- Grammar: reported speech- Writing: writing an article about healthy lifestyle choicesUnit 6 - Balancing Act- Vocabulary: key words and phrases related to life balance- Grammar: conditional sentences and wishes- Writing: writing a diary entry about a day where you successfully balanced your timeUnit 7 - The World of Work- Vocabulary: key words and phrases related to professions and job skills- Grammar: passive voice- Writing: writing a job advertisement for a specific professionUnit 8 - Future Challenges- Vocabulary: key words and phrases related to future challenges - Grammar: future forms (will, be going to, present continuous for future arrangements)- Writing: writing an essay about the future challenges facing the world知识点复建议- Review vocabulary regularly to ensure a strong grasp of key words and phrases.- Practice grammar exercises to improve understanding and usage of different tenses and structures.- Practice writing tasks to apply and reinforce learned knowledge.- Seek clarification from teachers or classmates if any concepts are unclear.以上是最新冀教版英语八年级下册的知识点总结,希望对学生复习和掌握课程要点有所帮助。
冀教版八年级英语下册各单元知识点汇总Lesson 1必背单词1.shower n.阵雨;淋浴→take/have a shower洗淋浴→shower v.淋浴→showery adj.下阵雨的;多阵雨的2.rise v.& n.( rose/risen )升起;上升;增加必背短语3. weather report 天气预报4.be scared of sb./sth. /doing sth.害怕某人/某物/做某事。
→be scared to do sth. 害怕做某事必背句子5. What’s the weather like today? 今天天气怎么样?6.I hope not!我希望不是这样7.When it snows, it's not hot. 当下雪时,天不会热。
8.Spring is coming.春天就要来了。
9.What strange weather! 多么奇怪的天气啊!Lesson 2必背单词1.neither conj. & adv.既不;也不;(二老)都不2.nor conj. & adv.也不;也没必背短语3. neither…nor 既不……也不→both…and… 两者都…… →notonly…but also… 不仅…… 而且……→either…or… 或者……或者……4. see sb. doing sth. 看见某人正在做某事→see sb. do sth. 看见某人做了某事5. a field trip 野外旅游;远足;(学生) 实地考察旅行必背句子6.Spring has arrived in Shijiazhuang.春天已来到了石家庄。
7.The days are getting longer and the sun rises earlier in the morning.白天变得更长了,早上太阳升起得更早了。
8.Some practice Tai Chi. Others sing and dance.一些人练习太极。
冀教版八年级英语下册各单元知识要点第一单元知识要点1.Listento2.ontheradio3.today'sweatherreport4.bescaredof=beafraidofbescared/afraidtodosth5.godowncomeup29.hitsb.onthehead30.提建议得句型:1)Let'sdo...2)Shallwedo...?3)What/Howaboutsth/doingsth?4)Whynotdo...?31.seeyouafterschool.32.ThisisthefirsttimeIhavebeenababysitter.33.turnaround34.holdon35.falloff=falldownfromedown37.getoff=getdownfrom38.Givememorepushes39.givesbapush40.It'stimetostopswinging.41.wakeupWakesbup42.allday43.Ithoughtitwouldbeeasytobabysitthere.=7.lendsbsth=lendsthtosb.borrowsthfromsbkeepsthforsometime8.Don'tforgettodosth9.Whatisthestemfor?=Whatdoesthestemdo?10.carry/takesthfrom...to...11.allpartsof12.billionsof13.inthesunlight14.lookafter=takecareof15.needtodosth16.Yougiveitwhatitneeds.esthtodosth18.bemadeofbemadefrom19.befullof=befilledwith20.carefor=lookafter21.keepsth+adj.Eg.Keeptheroomclean22.havealotofexperienceindoingsth47.livingthings48.withoutsth/doingsth49.indifferentways50.beabletodosth51.suchgreatfun52.feedon53.neither...nor既不...也不54.Theydothatinordertokeepplantswarm.55.suchas56.thinkof57.Theseapleslookgoodandsellwell.58.Thereisgoingtobe/willbeUnit3知识点汇总Lesson171.inthesun2.playwith3.takesbtosp4.needtodosth5.keepducksKeepbusyKeepdoingKeepsbdoing9.livingthings10.begood/badforLesson201.standstill2.makefriendswith3.throwsth.to4.runaway5.trytodosth6.swimmyway=swimtome7.Iwon'thavetostandstill.8.Givingzooanimalsis/isn'tagoodidea.Lesson211.havebeento 2.ataquartertoeleven=attenfortyfive3.arriveat/in4.beopen5.gothroughtheentrance6.Don'tfeedtheanimals.7.Nophotos!8.takephotosof9.allwinter10.wakeup/wakesb.up11.haveaverygoodday12.Don'tforgetwhatthesighsaid.13.That'swherewegoout.14.makesth./sb+adj例:makemesad2.takeabus/train/plane/shipto...=goto...bybus/train/plane /ship3.drive/takeacarto...=goto...bycar/inacar开车去4.rideabiketo...=goto...bybike/onabike骑自行车去5.beacrosstheocean大洋彼岸6.What'syourfavoritetype/kindoftransportation?=Whattype/kindoftransportationdoyoulikebest?7.Icangoalmostanywhereonfoot.我几乎能走着去任何地方。
Unit 1 Spring Is Coming!1.temperature n.温度What's the temperature? 温度是多少?take the temperature 量体温2.What's the weather like today?=How is the weather today? 今天天气怎么样?3.What will the weather be like tomorrow?=How will the weather be tomorrow?明天天气怎么样?4.have/take a shower 淋浴5.on the radio 在收音机上6.exact time 准确时间7.there will be =there is/are going to be将会有(后面单数is复数are)8.be scared of 害怕...be scared to do sth. 害怕做某事be afraid of ... 害怕...be afraid to do sth. 害怕做某事9.reach sp.=arrive at/in sp.=get to sp. 到达某地reach home=get home=arrive home 到家10.see sb. doing sth.看见某人正在做某事see sb. do sth.看见某人做了某事hear sb. doing sth.11.winter jasmine 迎春花12.practice v.练习;实践practice doing sth.13.plan a field trip to the country计划一次去乡村的野外旅行a trip to sp.一次去某地的旅行14.Both...and.... ...和...都...(否定句)Neither....nor.... ...既不....也不(就近原则)15.Both of...两者都(复数结构)(否定句)Neither of....两者都不(单数结构)16.就近原则There be 有....Either...or... 或者....或者..... Neither...nor... 既不...也不....Not only... but also... 不但....而且.... 17.四种“变”become 职位get (天气)变长、变热、变干turn 颜色go 变质go bad 变坏18.The wind blows gently. (gentle---gently)风温柔地吹着。
19.one by one =one after another一个接一个20.p lenty of 充足;大量(=lots of=a lot of)There is plenty of sunshine too. 也有充足的光照。
21.hundred 百thousand 千hundreds of 成百上千的five hundred 五百three thousand 三千22.long v.渴望long for 渴望Everyone longs for spring.每个人都渴望春天。
long to do sth.渴望做某事23.all year round 全年;常年24.feel like doing sth.想要做某事would like to do sth.25.instead of 代替;而不是I will go to the birthday party instead of you.我将代替你参加生日聚会。
26.Thank you for doing sth.因某事而感谢。
27. turn around 翻转;转身turn over 翻过来28.Hold on 抓紧;坚持;别挂断fall off=fall down from 跌倒;从...掉下来think of 想起;想出29.It’s time to do sth. 到做某事的时间了.It’s time for sb. to do sth.It’s time for sth. 到某事的时间了。
30.stop doing sth. 停止做某事( stop talking )stop to do sth.停下来去做某事stop to have a rest 停下来休息31.low adj.低的high adj.高的The price of the computer is high.The temperature is low/high.32.below 下方above 上方on 表面接触under 正下方over 正上方in the sun 在太阳下33.as+原级+as 和...一样...(注意选对词性;形容词修饰名词代词,副词修饰动词、形容词、副词、句子)34.until conj.直到He waits until the children are asleep.他一直等到孩子们睡着。
not...until 直到....才...He didn't go to bed until his father came back.他直到父亲回来才睡觉。
Unit 2 Plant a Plant.1.cover v.覆盖cover...with... 用...覆盖...be covered with.... 被....覆盖2.fill v.装满;充满fill... with.... 用....装满....be filled with... 装满...3.被动语态结构:be+过去分词be made of/from 由...制成be made up of 由...组成4.east---eastern west---westernsouth---southern north----northernnortheast n.&adj. 东北;东北的southwest5.enough adv.&adj.足够(名词前、形容词副词之后)形式主语结构:It’s +adj. + to do sth.6.Remember to do sth.= Don’t forget to do sth.记得做某事。
7.leave---left 忘了没拿Nothing can stop the wind because there are notmany trees left. 没什么能阻止风,因为剩下的树不多了。
8.情态动词用于推测:must be 一定是may/might be 可能是can't be 不可能是9.have been to 去过(与次数连用)have gone to 去了10Must I do sth. now? No, you needn't.我必须现在做某事吗?不,不需要。
I need to buy a dictionary.(否定句)I don't need to buy a dictionary.need to do sth.需要做某事11.please v.使....高兴pleased adj.愉快的(修饰人)pleasant adj.令人愉快的(修饰物)pleasure n.高兴,愉快It's my/a pleasure. 很乐意。
with pleasure 乐意地(作状语)12.in the shade 在树荫里in the tree 在树上(外来)on the tree 在树上(本身)13.many 很多(修饰可数复数)much 很多(修饰不可数)so many ---so much 很多;如此多too many---too much 太多how many +名词复数----how much (多少;多少钱)14.be made of be made frombe made into 被制成....be made in 在...被制成be made by 被谁制成15.carry...away 把....带走in a word 总之;简言之16.with 有;和;用---without 没有;缺乏with your help 有了你的帮助without water or air 没有水或空气without breakfast 没吃早餐17.basic adj.基本的What are the basic steps for planting a tree?take steps to do sth.采取措施做某事18.project n.项目;课题They are planting trees as a school project.他们植树作为学校的课题。
19.dig 挖hole 洞We are digging a hole. 我们正在挖一个坑。
20.Medicine is made from trees and plants.21.by the way 顺便说一下22.be worried about=worry about 担心23.a little 有点儿(修饰不可数名词、形容词、副词、比较级)修饰比较级:much, a little, even, a lot24.The trees and plants take energy from the sun andturn it into food.energy n.能量turn... into... 把...变成...25.In a word, we can't live without plants.总之,离开植物我们将不能生活。
26.a way to do sth. 做某事的方法Mary Green will show you the best way to grow all kinds of plants.show sb. sth.=show sth. to sb.给某人展示某物There are many ways to grow a garden.The best way to learn English is using it every day.27.Gardening is a very enjoyable hobby.动名词作主语,谓语动词用单数。
enjoy---enjoyable adj.使人愉快的28.have fun=have a good time=enjoy oneself玩得高兴have fun doing sth. 高兴做某事be busy doing sth. 忙于做某事29.反身代词(换同义句时注意时态)myself yourself himself herself itself ourselves yourselves themselves30.Mary Green has written many popular books about gardening.(现在完成时have/has+过去分词)31.Roses smell so wonderful.系动词之后常接形容词作表语。