八年级上册英语第三单元知识点详细讲解汇总Word文档下载推荐.docx

1、30.each other 互相31.enjoy oneself = have great fun = have a good time玩得高兴32.spend sometime in doing sth. = spend sometime on sth. 花时间做某事33.plan to do sth. 计划做某事 34.on a farm 在农场35. more outgoing更外向 36. the singing competition唱歌比赛37. be similar to与相像的/类似 38. be the same as和相同；与一致39. be different from与

2、不同 40. care about关心；介意41.be like a mirror像一面镜子 42. the most important最重要的43. as long as只要；既然 44. bring out使显现；使表现出45. get better grades取得更好的成绩 46. reach for伸手取47. in fact事实上；实际上 48. make friends with sb和某人交朋友49. touch ones heart感动某人 50. be talented in music有音乐天赋51. be good at doing sth擅长做某事 52. be g

3、ood with善于与相处53.play the drums打鼓54.run fast跑得快55.jump high跳得高56.work as hard as sb.和某人一样努力工作57.get up early早起床58.sing well唱得好59.the one with shorter hair头发较短的那个60.primary school 小学二重点语法 1. Im more outgoing than my sister. 我比我妹妹更外向。【解析】 outgoing atg adj.对人友好的，开朗的；（比较级：more outgoing, 最高级 most outgoing

4、） （ ） Jason is _ than most of kids in my class. He is very active. A. outgoing B. more outgoing C. much outgoing D. the most outgoing2. But you can tell that Lisa Practiced a lot more and really wanted to win. 但是你可以说莉萨 练习得跟多并真的想获胜。【解析】win vi. 获胜,成功【拓展】beat 和 win （1）beat 是及物动词，后接比赛、战斗、辩论等的对手，可以是人或集体。

5、 I can beat you at swimming.在游泳方面我能击败你 （2）win既是及物动词 又是不及物动词 但是作及物动词时，后面一般接后接比赛、战斗、辩论、奖品、钱等，可以是事或者物。Which team do you think will win the basketball match this time?你认为哪个队会在这次篮球赛中取胜呢？【记】We won the match and we beat them by the score of 5 to 3.The girls _the boys in yesterdays match. He decided to _the

6、 match.（ ） They didnt _ the basketball match. We _ them 24-20. A. win; beat B. beat; win C. win; win D. beat; beat3.【解析】quiet adj 安静的 quietly kwatl adv 轻声地 【记】She said to me quietly that I should be quiet.We approached （靠近） the birds _（quiet） and watched them.The mother walked into the room _ in ord

7、er not to wake up her baby. A. quickly B. quietly C. heavily D. fast4. I think she sang more clearly than Nelly. 我认为她唱得比内莉 更清晰。【解析】clearly kll adv 清楚地，明白地As times goes, my grandmother cant see as _（清楚） as she used to. We dont want to speak badly or _ in front of the class. A. clearly B. carefully C.

8、carelessly D. properly【拓展】 adj + ly =adv quiet quietly usual usually different differently real reallyI cant hear you _. Can you speak _? A. clear; loudly B. clearly; loud C. clearly; loudly D. clear; loud5. Im getting better,though. 尽管如此，我们打得比以前更好了。 adv. better 更好，此处是副词well的比较级，它也是形容词good的比较级。且good

9、和well的最高级都是best。 This coat looks better than that one. （good的比较级） 这件外套看起来比那件好。 Mary learns English better than I. （well的比较级） 玛丽的英语学得比我好。 知识拓展-相关句型/结构 had better （not） do sth.“最好（别）做某事”。如： Youd better not be late again. 你最好别再迟到了。【解析】better bet adj.更好的（good和well的比较级）；更熟练的；好的；健康的.Is your headache getti

10、ng_? No, Its worse. A.better B.bad C.less D.well. He was chosen to be a volunteer of the Olympic Games. Great! No one speaks English _ him. A. as beautiful as B. as badly as C. worse than D. better than .though意为“然而；但是”，表示转折关系， 常放于句尾，用逗号隔开，而however可位于句首、句中或句末，常用逗号隔开。 However，You can tell that Lisa r

11、eally wanted to win【解析】though u conj.虽然，尽管；即使；纵然； 引导让步状语从句，= although .不能跟but 连用。（ ）Tony still went to school _ he had caught a bad cold. A. and B. because C. though D. So6. Whos more hard-working at school? 在学校谁更努力？.hard-workingadj.“努力工作的，勤奋的”Hes a hard-working boy.他是个勤奋的男孩。注意：与hard work、work hard的

12、区别hard work名词短语，意为“辛苦的工作”，hard是形容词，修饰不可数名词work。What hard work it is!这是多么辛苦的工作啊！work hard动词短语，意为“努力工作”，hard是副词，修饰动词work。【拓展】work hard努力工作/学习， hard work艰苦的工作 He work hard at English and he is a hard-working student. 他努力学习英语，他是一个勤奋的好学生。7. which one is Lias? 哪位是丽莎？【解析】 which wit pron.哪一个；哪一些；哪个既可以与名词一起构

13、成特殊疑问句，也可以单独使用，引导特殊疑问句。 Which book do you like? Which is your book?8. But I think friends are like books you dont need a lot of them as long as theyre good. 但是我认为朋友就像书籍 只要是好的，你不需要许多。【解析】 as long as = so long as只要； 既然 （引导条件状语从句）（ ） _ you work hard. Ill buy a new computer for you. A. as long as B. as

14、well as C. As long as D. As well as. We will certainly enter a good high school _ we work hard. Yes. Our dream will come true by working hard. A. as soon as B. as long as C. as far as D. even if1. Both Sam and Tom can play the drums, but Sam plays them better than Tom. 萨姆和汤姆都会打鼓，但是萨姆比汤姆打得要好一些。9. Bot

15、h Sam and Tom can play the drums. 萨姆和汤姆都会敲鼓。【解析1】 both adj./pron. 两者（都），用在be动词、助动词或情态动词之后，实义动词之前。 We should both thank Tom.我们两个都应该感谢汤姆。both单独作主语时，其谓语动词要用复数形式 Both are smart.两个人都聪明。both作不定代词，常用of连用，后接名词或代词的复数形式，接名词时名词前需有定冠词the或形容词性物主代词my, her, his或名词所有格等 Both of us come from the countryside.我们俩都来自农村。

16、Both of her children have blue eys.她的两个孩子都是蓝眼睛。both作限定词，用在定冠词the、形容词性物主代词或名词所有格前，“两者的，双方的” Both the books are expensive.两本书都很贵。 注意： A. both表示“两者都”， all 表示“（三者或三者以上的人/物）都” B. not both或not all都表示部分否定，表示“并非两者/所有都” C. both.and.= not only.but also.“又又”“既又”，一般连接对等的短语或从句， 如果连接两个词作主语，谓语动词要用复数形式。 其否定形式为neith

17、er.nor.“既不也不” E.g. Both New York and London have traffic problems. （连接主语） The secretary both speaks and writes Spanish.（连接谓语）【考例】My parents _ doctors. A. both are B. all are C. are all D. are both 拓展：all表示“三者或三者以上全都”的意思，every指三个以上的人或物（含三个），each指两个以上的人或物（含两个）。练习：用all,both,every,each填空 1） My brothers

18、and I are _l at school. 2） _ student may have one book. 3） _Tom and Jim are my good friends. 4） Three students are flying kites,they are_ in Class 1. 10、Both Lucy and Lily are having supper.露西和莉莉都在吃晚餐。 Both Li Lei and Han Meimei _ fond of （喜爱） the TV program A Bite of China. I am also deeply moved （

19、深受感动） by its stories! A. is B. am C. was D. are【注】 人/物用and 连接时，为并列主语，谓语动词用复数； 若用with连接，做主语的是with短语之前的人/物【解析2】play the drums 西洋乐器名词前必须加定冠词the play the piano /guitar 棋类名词、三餐饭、球类名词前不加定冠词the Play chess 下象棋 have breakfast/lunch/ dinner 吃早餐/午餐/晚餐 Play basketball/ soccer/ baseball 打篮球/ 足球/ 棒球（ ） He plays _

20、 soccer, but he doesnt play _ guitar. A. the; the B. the; / C. / ; the D. /; /Can you play _ guitar? Sure. Its a piece of cake for me. A. a B. an C. the D. /11、Tara works as hard as Tina. 塔拉学习和蒂娜一样努力。 as.as意为“与一样”，as.as中间接形容词或副词的原级。其否定结构not as/so.as意为“不如”。E.g. He is as tall as his father. 他和他爸爸一样高。T

21、om gets up as early as Jim. 汤姆起得和吉姆一样早。Lucy isnt as outgoing as Mary. 露西不如玛丽外向。 （1） 其否定式为not as/so +adj./adv. +as。E.g. This dictionary is not as/so useful as you think. （2） 若有修饰成分，如twice, three times, half, a quarter等，则须置于第一个as之前。 E.g. Your bag is twice as expensive as mine. 你的包比我的贵一倍。 12. Did you l

22、ike the singing competition yesterday, Anna?安娜，你喜欢昨天的歌唱比赛吗？【解析】compete competition kmpitin n.竞争；作可数名词时，意为“比赛”，通常指体力、技巧、能力方面的竞赛。 singing competition 歌唱比赛【注】动名词修饰名词 swimming pool 游泳池 reading room 阅览室 He takes part in a swimming competition. 他参加游泳比赛。 知识拓展-词义辨析 competition/game/match /sport competition指

23、规则明显，较为正式的“竞技，比赛”； game指娱乐性“游戏”或是“体育活动”，可以是户外或户内、体力或脑力，还可指一项有共同规则的比赛、竞赛，其复数形式games指“大型国际性体育运动会”； match“竞赛，比赛”，常指一项有共同规则的比赛，美国人多用game，英国人多用match； sport以锻炼为主，指各种运动，户外消遣，可以是竞赛性的体育运动，也可是娱乐性的体育运动，sports可指小型运动会。2.truly cares about me确实关心我。【解析】truly副词，意为“真正；确实” true形容词，意为“真实的，真的，符合事实的” truth名词，意为“事实，实情”Eg.

24、I truly want to go home. 我确实想会回家。 This is a true story. 这是一个真实的故事。 How do we know youre telling the truth? 我们怎么知道你说的是实话？care动词，意为“在意；担忧；关心”，care about, “关心；在意”；care for, “喜欢；照顾”，care还可作不可数名词，“小心；注意；关怀”常用短语有： take care，“当心，小心”，相当于be careful。 Eg. Take care not to fall into the river. 当心不要掉到河里。take car

25、e of, “照顾；照看”，相当于look after。 Eg.You should take care of yourself. 你应该照顾好你自己。13、Well,Mary and her best friend are both tall. 哦，玛丽和她最好的朋友都很高。 【解析】both 代词，表示“两者都”。通常位于连系动词、助动词或情态动词之后，实义动词之前。Eg. They are both good swimmers. 他们两个都是游泳好手。We both like playing basketball. 我们两个都喜欢打篮球。both of + 人称代词或复数名词（接复数名词

26、时of通常省略），意为“两者都”Eg. Both of us want to leave here. 我们两个都想离开这里。Both （of） the books are interesting. 这两本书都很有趣。both A and B意为“A和B都”Eg. Both Jim and Tome are my good friends. 吉姆和汤姆都是我的好朋友。 both 表示“ 两者都”；all表示“三者或三者以上都”14. You can tell that Lisa really wanted to win, though. 不过，你能看得出来，丽萨确实想赢。 v. win 赢得，打

27、败，战胜（过去式:won 过去分词:won 现在分词:winning 第三人称单数:wins） He won a prize last week. 上周他赢得了一个奖项。 知识拓展 n. winner 获胜者，赢家 词义辨析 win/beat 相同点：都是动词，表示“赢”不同点：beat+人；win+比赛，竞赛，战争等名词。We won the football game. Li li beat all the runners in the 100-metre race. win “赢得；获胜”， 用作及物动词，后接宾语是表示某种比赛的名词或战争，而不是参加比赛的对手。 We won the basketball game. 我们赢得了篮球赛。 beat “打赢”“战胜”。用于比赛时，后接宾语是战胜对手，表示“赢了某人”。 Li Lei beat all the runners in the 100-metre race. 李磊在百米赛跑中赢了所有的对手。 beat表示“打赢；战胜”，用于比赛时，其宾语为所战胜的对手。E.g. Li Lei beat all the