人教版八年级下册英语Unit 7单元语法知识点总结.docx

1、人教版八年级下册英语Unit 7单元语法知识点总结本单元重点短语的具体用法1. as big as：与一样大。例如：This building is as big as that one.（这栋建筑和那栋一样大。）2. feel free to do sth.：随意地做某事。例如：You can feel free to ask me any questions.（你可以随意问我任何问题。）3. one of the oldest countries：最古老的国家之一。例如：China is one of the oldest countries in the world.（中国是世界上最古老

2、的国家之一。）4. risk their lives：拿生命冒险。例如：The firefighters risk their lives to save people.（消防员们冒着生命危险去救人。）5. as far as I know：据我所知。例如：As far as I know, he is a very talented musician.（据我所知，他是一位非常有才华的音乐家。）6. as you can see：正如你所看到的。例如：As you can see, the weather is very nice today.（正如你所看到的，今天的天气非常好。）7. be

3、in danger：处于危险中。例如：The pandas are in danger of extinction.（熊猫面临灭绝的危险。）8. live up to：活到。例如：People are living longer than ever before.（人们的寿命比以往任何时候都要长。）9. part of.：的组成部分。例如：Reading is an important part of learning.（阅读是学习的重要组成部分。）10. challenge oneself：挑战自己。例如：She likes to challenge herself by trying ne

4、w things.（她喜欢通过尝试新事物来挑战自己。）11. the highest mountain：最高的山脉。例如：Mount Everest is the highest mountain in the world.（珠穆朗玛峰是世界上最高的山。）12. stand on two legs：两条腿站立。例如：Monkeys can stand on two legs.（猴子可以两条腿站立。）13. in the world：在世界上。例如：The Great Wall is one of the greatest wonders in the world.（长城是世界上最伟大的奇迹之一

5、。）14. any other mountain：其他任何一座山。例如：This mountain is higher than any other mountain in the area.（这座山比这个地区的其他任何一座山都高。）15. of all the salt lakes：在所有的咸水湖中。例如：The Dead Sea is the saltiest of all the salt lakes.（死海是所有咸水湖中最咸的。）16. run along：跨越。例如：The river runs along the valley.（河流沿着山谷流淌。）17. freezing wea

6、ther：冰冻的天气。例如：The freezing weather made it difficult to go outside.（冰冻的天气让外出变得困难。）18. take in air：呼吸空气。例如：We need to take in fresh air to stay healthy.（我们需要呼吸新鲜空气来保持健康。）19. the first people to do sth.：第一个做某事的人。例如：Neil Armstrong was the first person to walk on the moon.（尼尔阿姆斯特朗是第一个在月球上行走的人。）20. anoth

7、er 200 or so：另外大约 200。例如：We need another 200 or so chairs for the conference.（我们需要另外大约 200 把椅子用于会议。）21. in the face of difficulties：面临困难。例如：She showed great courage in the face of difficulties.（她在面临困难时表现出了极大的勇气。）22. give up doing sth.：放弃做某事。例如：Dont give up trying. You will succeed eventually.（不要放弃尝试

8、。你最终会成功的。）23. achieve ones dream：实现某人的梦想。例如：With hard work, he finally achieved his dream of becoming a doctor.（通过努力工作，他终于实现了成为医生的梦想。）24. even though：虽然；尽管。例如：Even though it was raining, they still went for a walk.（虽然下雨了，他们仍然去散步。）25. the forces of nature：自然界的力量。例如：We need to respect the forces of na

9、ture and live in harmony with them.（我们需要尊重自然界的力量并与之和谐相处。）26. reach the top：到达顶峰。例如：The climbers finally reached the top of the mountain.（登山者终于到达了山顶。）27. at birth：在出生的时候。例如：Babies weigh around 3 kilograms at birth.（婴儿在出生时大约重 3 公斤。）28. be awake：醒着的。例如：I was awake all night thinking about the problem.（

10、我整晚都没睡，一直在思考这个问题。）29. fall over：摔倒。例如：She tripped and fell over.（她绊倒了并摔倒了。）30. run over with excitement：兴奋地跑过去。例如：The children ran over with excitement when they saw the presents.（孩子们看到礼物时兴奋地跑了过去。）31. walk into sb.：撞到某人。例如：I didnt see him and walked right into him.（我没看到他，直接撞到了他身上。）32. take care of：照

11、顾；照料。例如：She takes great care of her elderly parents.（她非常照顾她的年迈父母。）33. every two years：每两年。例如：The conference is held every two years.（这个会议每两年举行一次。）34. cut down the forests：砍伐林木。例如：We should avoid cutting down the forests.（我们应该避免砍伐森林。）35. endangered animals：濒危动物。例如：Many species are becoming endangered

12、 due to habitat loss.（许多物种由于栖息地的丧失而成为濒危动物。）36. fewer and fewer pandas：越来越少的熊猫。例如：There are fewer and fewer pandas in the wild.（野生熊猫越来越少了。）37. the importance of saving animals：拯救动物的重要性。例如：We need to raise awareness of the importance of saving animals.（我们需要提高拯救动物的重要性的意识。）38. die of/from：死于。例如：He died

13、of cancer.（他死于癌症。）/Many people died from the disease.（许多人死于这种疾病。）39. in the remaining forests：在剩余的森林中。例如：Many animals live in the remaining forests.（许多动物生活在剩余的森林中。）40. protect from：保护免受。例如：We need to protect the environment from pollution.（我们需要保护环境免受污染。）41. in good/bad condition：状况良好/不佳。例如：The car i

14、s in good condition.（这辆车状况良好。）/The house is in bad condition.（这所房子状况不佳。）本单元重点句子1.It is also very hard to take in air as you get near the top. 当你接近山顶时，连呼吸都会困难。2.One of the main reasons is because people want to challenge themselves in the face of difficulties. 其中的一个主要的原因是人们想要在面临困难时挑战自己。3.The spirit o

15、f these climbers shows us that we should never give up trying to achieve our dreams. 这些登山者的精神向我们证明：我们永远都不应该放弃实现自己的梦想。4. How high is Qomolangma? 穆朗玛峰有多高？5. Although Japan is older than Canada，it is much smaller.虽然日本比加拿大有更悠久的历史，但是日本比加拿大小多了。6.Adult pandas spend more than 12 hours a day eating about 10

16、kilos of bamboo. 成年大熊猫一天要花1 2 个多小时的时间吃大约十千克竹子。本单元重点知识点和语法讲解1.表达事物的长，宽，高，深? sth. /sb. +be+数量+单位+形容词long, wide, tall, deep如：The river is 2 meters deep. Qomolangma is 8,844.43 meters high.2.问事物的高，深，宽，长，重?How high/tall/ deep/ wide/ long/heavy is . ?Its.3.succeed. v. 成功 succeed in doing sth.He succeeded

17、in finishing the work.success n. “成功”不可数，Confidence is the key to success. 自信是成功的关键。successful, adj. 成功的Successfully adv.成功地4.花费1)sb. spend + time/ money + on sth. / in doing sth.2)sb. pay +money +for sth. 某人为某物支付多少钱3)It takes sb + time+ to do sth. 花费某人多长时间做4)sth + cost +money 某物值多少钱。The book costs

18、ten dollars.5.prepare 用法1)prepare to do sth. 准备做某事 2)prepare sth. for sth/sb. 为准备某物3)make preparation(s) for 为做准备6.形容词副词比较级和最高级。（一） 形容词比较级的用法1)形容词的比较级可以单独使用：Be more careful next time. 下次小心点。Which book is better? 哪本书更好？2)也可以和than连用，表示两者相比，than后可以跟：He is older than me / I . 他年龄比我大。Skiing is more excit

19、ing than skating. 滑雪比滑冰更刺激。I was a better singer than he was. 我唱歌比他好。3)比较级中为了避免重复，常用one/that/those替代名词。往往指与前面同类而不是同一个的事物。This pen is shorter than that one.The weather here is much hotter than that of Shanghai.The cars made in Tianjin is much more popular than those in Shanghai.4).形容词比较级的修饰语修饰形容词,副词比

20、较级的常用修饰词有: a little, a bit, much, even, still, a lot, any等.在否定句,疑问句或条件状语从句中,修饰形容词,副词的比较级,只能用any来修饰.He cant jump any higher. 他不能跳得更高了. Can he jump any higher? 他能跳得更高一些吗?Do you feel any better today? 你今天感觉好一点了吗？句型1：as+形容词原形+asThis jacket is as beautiful as that one.句型2. not as/so+形容词原形+as “前者不及不如 后者 表

21、达前者不如后者还可以用：less +原级+thanThis school is less beautiful than that one.句型3 ：1）表示“是.的几倍时” .倍数+as 原级as.This garden is ten times as large as that one。这个花园是那个的九倍大。倍数的表达：once ; twice ; three times; four times.2）表示“比.多几倍” 倍数 + 比较级+than .His garden is 9 times larger than that one.他花园比那个大九倍。句型4 ：比较级+than any

22、other+单数名词“比其他的任何一个.”He is taller than any other boy in his class.比较级+than the other+复数名词 “比其他的.” He is taller than the other boys in his class.句型5 ：the +比较级+of the two(the twins.) “两个中较.”Amy is the shorter of the two girls.句型6 ：(单音节)比较级 + and + 比较级”（多音节）“more and more +原级”， 越来越better and better fat

23、ter and fatter more and more beautiful句型7 :the 比较级+句子,the 比较级+句子 越， 越The harder you study, the better grades you will get.(二)最高级的使用 形容词的最高级要加定冠词the , 副词最高级可省略the,句型1：the+最高级+ of /in+范围My mother is the busiest in my familyJim works hardest of us all.句型2 ：One of+the+最高级+名词复数 “最的之一”One of the most impo

24、rtant languages is English.最重要的语言之一是英语。句型3 the+序数词+最高级+单数名词+in短语 “第几最”The Yellow River is the second longest river in China.（三）、形容词的比较等级和最高等级：形容词的比较级和最高级的构成规则变化：1单音节词和少数双音节词的比较级和最高级的构成.1. 一般在词尾加-er 或-est。例如：tall - taller - tallest，short - shorter - shortest。2. 以不发音的-e 结尾的单词，直接在词尾加-r 或-st。例如：nice - n

25、icer - nicest，late - later - latest。3. 以一个辅音字母结尾的重读闭音节单词，先双写这个辅音字母，再加-er 或-est。例如：big - bigger - biggest，hot - hotter - hottest。4. 以“辅音字母+y”结尾的双音节词，先把 y 改为 i，再加-er 或-est。例如：easy - easier - easiest，heavy - heavier - heaviest。2多音节词和部分双音节词在其前面加more或 most。如：interesting-more interesting-most interesting

26、3有几个形容词的比较级和最高级属于不规则变化：好：good/well-better-best坏：bad/badly-worse-worst多：many/much-more-most少：little-less-least远：far-farther-farthest作文训练做为一个中国人，你对我们的中国了解多少呢？请给你在美国的笔友 Dave 写封信，向他介绍你的祖国。80 词左右，恰当运用比较级和最高级，可适当发挥。 中国是亚洲最大的国家。和美国差不多大。 中国有世界上最多的人口。人们友好勤劳。 长江是世界最长的河流之一。 中国有超过 5000 的悠久历史。比美国的历史长多了。 中国有世界最高山

27、峰。 词汇：asas, population，the Yangtze River ,the third longest ,much longer, Qomolangma【优秀满分范文】Dear Dave, Im happy to be your pen pal. Id like to tell you something about China. China is the biggest country in Asia. Its almost as big as the USA. China has the biggest population in the world. The people

28、 here are friendly and hard-working. The Yangtze River is one of the longest rivers in the world. China is over 5000 years old. It has a much longer history than the US. The Qomolangma is the highest mountain in the world. I love China very much. Welcome to China and play with me. Yours,Li Le第 12 页 共 12 页