2020年人教版英语八年级下册Unit3单元知识点总结

1、2020 年人教版英语八年级下册Unit 3Section A1.laugh v. & n. 笑We all laughed loudly when she made a joke. 她说了个笑话，我们都大声笑起来。We all laughed at his joke. 听了他的笑话我们都笑起来。He laughs best who laughs last. 谁笑在最后，谁笑得最好。 /不要高兴得太早。（与 at 连用）嘲笑Don lta ugh at him. 别嘲笑他。People have often laughed at stories told by seamen. 人们常常嘲笑海员

2、所讲的故事。Everyone laughed at his foolish antics. 大家都笑他那种愚蠢的滑稽动作。N. 笑；笑声We had a good laugh at his joke. 我们被他的笑话逗得哈哈大笑。2. though conj. 虽然；纵然；即使；尽管 = althoughThough it was raining ， he went there. 虽然当时正下着雨，他还是到那里去了。Though he was poor he was happy. 虽然他很穷却很快乐。注意：不能受汉语的影响，在 though 引导的从句后使用 but 。如：Though he

3、was poor， but he was happy.（误）though adv. 不过，可是，然而，常用于句末，用逗号隔开。Jim said that he would come, he didn t , though.English is difficult to learn. I like it,though. 英语难学，不过我喜欢它。3. quietly 轻声地，安静地，平静地 quiet 轻声的，安静的，平静的The students walked to a quiet place. 同学们向一个安静的地方走去。You have a cold, so you must keep qu

4、iet at home. 你得了感冒，所以必须在家静养。【辨析】 calm still quiet 与 silentcalm：意为：镇静的，平静的，指不受干扰时的宁静，平静，如海洋的平静；用于人时， 指沉着， 镇定， 安定。 When we face danger, we should keep calm.still: 意为不动的，静止的，寂静的，仅仅指 物理上的安静状态 。The baby kept still when she was taking photos.quiet: 意为安静的 静止的，指寂静的状态，没有吵闹、骚乱；指人时指文静的，娴静的。强调无声的状态Be quiet,ever

5、yone.The teacher is coming.silent:意为沉默的，无言的，主要用于人，指不发出声音或不说话，We shouldn t keep silent when the teather asks us some questions.4. You can tell that Lisa really wants to win,though. 然而，你能看出丽莎真正地想赢。1） .tell （ 1） vt. 辨析，识别，看出 ，通常与 can,could,be able to 连用。Can you tell the difference between th e two? 你能看

6、出两者之间的差别吗？拓展： tell.from. 辨别。和。；区分tell apart 辨别It s sometimes hard to tell one twin from the other. 双胞胎有时很难分辨。（ 2） v.告诉，吩咐，讲述句型： tell sth.（a storya liea jokethe truth） 讲（故事、谎话、笑话、实话）sb.sth.sth.to sb.告诉某人某事sb.about sth.告诉某人关于某事的情况sb. to do sth.吩咐某人做某事sb. thatwh- 从句告诉某人。 。2. ） win v. 获胜，赢得 同义词： succeed

7、; 反义词： lose辨析： win 与 beatBeat 还win v. 获胜，赢得 .后接 game,war,match,prize,race,money 等指物的名词作宾语。 beat（beat,beaten）v.后接的宾语多表示与之比赛、战斗的人或代表群体的名词。 有敲打，（心脏等）跳动的意思。We beat them by score 2 to 1.我们以 2比 1的比分赢了他们。He was beaten black and blue. 他被打的青一块紫一块。5. hard-working adj. 工作努力的；辛勤的Work hard v+adv.He works hard to

8、 be a hard-working student.My mother is hard-working. He works hard at science.6. as +adj.+.as. 。 和 一样This room is as big as that one.汤姆跑得和他弟弟一样快。 Tom runs as fast as his brother.否定句中： not as.as。 ,或者 not 。 So +adj+asTom is not as short as Tim.=Tim is not as tall as Tom.=Tom is taller than Tim,=Tim i

9、s shorter than Tim.7. singing competition 歌咏比赛V-ing 现在分词，充当前置定语修饰后面的名swimming pool ， shopping basket， reading room ，walking stick ，changing room，dressing table8. However, Larry often helps to bring out the best in me.然而，拉里经常帮助我表现出最好的一面。bring out 意为“使显现；使表现出” 。E.g. I want to bring out the meaning of

10、the poem. 我想阐明一下这首诗的意义。 拓展： bring out 还意为“出版；生产” 。The company is bringing out a new sports car. bring out the best/worst in sb. 把某人最好 /最坏的一面展现出来Please tell me how to bring out the best in me.9. Is Tara more outgoing than Tina ？塔拉比蒂娜更外向吗？1). outgoing adj. 爱交际的，友好的，外向的反义词： quiet 意为安静的，文静的2B Role playJ

11、ulie: Did you like the singing competition yesterday, Anna?Anna: Oh, it was fantastic! Nelly sang so well!Julie: Well, I think Lisa sang better than Nelly.Anna: Oh, which one was Lisa?Julie: The one with shorter hair. I think she sang more clearly than Nelly.Anna: Yes,but Nely danced better than Lis

12、a.Julie: You can tell that Lisa really wanted to win ,though.Anna: Well, everyone wants to win. But the most important thing is to learn something new and have fun.形容词和副词的比较级 更 .较 ., 后面用比较连用法：用于两者（人和物）之间的比较，表示两者之间的差异，词 than 连接另一个所比较的人或物。结构：主语 +谓语（系动词） +形容词 副词比较级 +than+ 比较对象”。1规则变化单音节词和少数双音节词，加词尾-er，

13、 -est 来构成比较级和最高级构成法原级比较级最高级一般单音节词末尾加 -er， -esttall （高的）great（巨大的）taller greatertallest greatest以不发音的 e 结尾的单音节词和少数以 节词只加 -r ，-st-le 结尾的双音nice（好的） large（大的）nicer largernicest largest以一个辅音字母结尾的闭音节单音节词，辅音字母，再加 -er， -est双写结尾的big（大的）hot（热的）bigger hotterbiggest hottest“以辅音字母 +y”结尾的双音节词，改-esty为 i，再加-er，easy

14、（容易的） busy（忙的）easier busiereasiest busiest少数以 -er，-ow 结尾的双音节词末尾加-er，-estclever（聪明的） narrow（窄的）cleverer narrowercleverest narrowest其他双音节词和多音节词，在前面加构成比较级和最高级more ，most 来important （重要的） easily（容易地）more important more easilymost important most easily2不规则变化原级比较级最高级good（好的） well （健康的）betterbestbad（坏的） ill

15、 （有病的）worseworstold（老的）older/elderoldest/eldestmuch/many （多的）moremostlittle （少的）lessleastfar（远的）farther/furtherfarthest/furthest用法注意：（ 1）修饰比较级的词语有 much,a little,a bit,a lot,even,by far,still. 等He is a little taller than me. 他比我高一点点。（ 2）当比较级后面有（ of the two. ）之类的短语时，比较级前面要加 the。 Lucy is the quieter of

16、 the twins. 露西是双胞胎姐妹中较内向的那个。（3）比较级 +and+比较级 或more + more +原形（多音节和部分双音节形容词），意为 越来越 . 。Our city is more and more beautiful. 我们的城市越来越漂亮。（4）the+ 比较级， the+比较级 意为 越.，就越 . 。The more you read, the more you know. 你读书越多，你知道的就越多。（5）as as意为与一样 ，否定形式 not as/so as意为 不如怎么样，不与 一样 。注意 as与 as之间用形容词和副词的原形。This room is

17、 not as/so big as that one.= This room is smaller than that one.6)在使用比较及时，要注意比较对象需要一致，遵循前后可比原则。 The population of Shanghai is larger than that of Beijing.It is easier to make a plan than to carry it out.随堂练习 - 用所给单词的适当形式填空1、Ann has(many) apples than Amy.2、I think July is(hot) than any other month in

18、 our country.3、The bag is a little(heavy) than that one.4、Mr Green is(serious) than Mr Black.5、Tom runs as(fast) as John does.6、My sister is(quiet) than I.7、There are some(different) between us.8、Larry is(outgoing) than Huang Lei.9、In some ways, the twins look(different).10、He can speak English as(g

19、ood) as me.11、Liu Ying isn t good at(study) study physics.12、We both enjoy(go) to the party.单项选择1、 He likes doing the same things A. to B. asme.C. forD. with2、Tom is than Sam.A. athleticB .more athleticC. athleteD. athletics3、 I think a good friend makes me.A. to laughB. laughing4、 He alwaysme in te

20、nnis, but IA. beat; winB. beats; wins5、Id like to know if Lin Tao is the secondC. laugh this match this time.C. beats; wonA. olderB. the olderboy in his class.C. oldestD .laughsD. beat; wonD. the oldestD. longer and longer6、 When spring comes, the days get.A. short and shortB. shorter and shorter C.

21、 long and long7、Shesthan I.C. very calm8、 Now computers are very popular and they are muchthan before.A .more calmB. more calmerD. calmerD. the cheapestD. /; andD. to haveA. cheapB. cheaperC. cheapest9、Jane is shorter,she s more intelligent.A. Although; /B. Although; butC. Though; but10、Im tired. Le

22、t s stop a rest.A. having B. to having C. has 按要求改写句子1、 I think he is not as tall as his father. (改为同义句 )I think his father is him.2、 Jim is 12 years old. Tom is 14 years old. (合并为一句)Tom is Jim.3、I think Rose should get a job. (就划线部分提问) you think should get a job?4、This bike is different from that o

23、ne. （改为同义句 ） This bike isn t the that one.5、Jane has longer hair than Lucy.（改为一般疑问句） Jane longer hair than Lucy?Section B1. Mary and her best friend are both tall. 玛丽和她最好的朋友都长得高。Both“两个都，两者都”You are both too young. 你们两个都太年轻。Both these are new.这两个都是新的。 注意： both of 结构与 all,each 和 most of 结构一样。both of

24、+ porn. （pl.） / both of + the/her +n.Both of the flowers are very beautiful.= The flowers are both very beautiful.两朵花都很漂亮。辨析 both 与 allBoth 意为两者都 ，常用结构为 both of + 复数名词 代词。反义词： neither 两者中一个也 没有All 意为三者或三者以上都 ，常用结构为 all of + 名词复数 代词 。反义词： none 一个也 没有2. A true friend reaches for your hand and touches

25、your heart.真正的朋友向你伸出手，触动你的心。1.） reach （1）vt. 到达；（通过电话、电波）联系We hope to reach the top of the hill before dark. 我们希望在天黑之前到达山顶。（ 2） vi. 达到，延伸as far as the eyes can reach 就眼力所能及 辨析： reach,arrive 与 get 表示 到达 Reach 是及物动词 ，后面可以直接跟表示地点的名词。Arrive 是不及物动词 ，接宾语时，后接 atin, 接副词时需要省略介词。Get 后接名词时，必须在 get 后加介词 to,其后接副

26、词（ home,here,there ）时需省略介词 to 。touch （ 1） v.感动（ =move ）；触摸We were deeply touchedmoved by his sad story. 我们被他悲惨的故事深深地感动了。（2） n.触摸，联系I felt a touch on my back. 我感觉有人碰了一下我的背。拓展：与 touch 有关的短语get in touch with 与。取得联系keep in touch with 与。保持联系lose touch with 与。失去联系touch onupon 提及3. talent n. 天赋 =giftTalent

27、ed= gifted 有天赋的be talented in = be gifted withhave a talent/gift for sthShe is a gifted/talented voilinist. She has a talent/gift for cooking.4. care about 关心；在意care for 喜欢；愿意take care 小心；当心take care of =look after 照顾；照料Do you care for your future ？5. make sb. do sth（ let ？have）Her joke made us laug

28、h 。How did he make the baby stop crying ？6. the same as 和。一样be different fromI don t like to do the same things as her. My hobbies are different from her s.7. be similar to 与。类似的；相像的Jack is similar to his father in many ways.Jeff Green: My mother told me a good friend is like a mirror. I m quieter and more serious than most kids. That s why I like reading books and I study harder in class. Mt best friend Yuan Li is quiet too, so we enjoy studying together. I m shy so its n