《八年級英語下冊 Unit 7知識點總結(jié) 人教新目標版》

1、unit 7知識點總結(jié) 一、形容詞和副詞的原級就是原形.1. very / so / too / quite +原級（副詞修飾形容詞，副詞） she is very beautiful. he works quite hard.2.a+be +as +原級 +as+ b.3.a+be not+as/so+原級 +as+b. lucy is _lily. lucy和lily一樣高。 tom isnt _jim. lucy沒有l(wèi)ily高。二. 形容詞和副詞的比較級 （一）主要用于兩者比較。表示較或更一些的意思。 常用far, even，much，a lot, a bit, a little等修飾。

2、（三）形容詞和副詞的比較級的用法：1.主語+謂語動詞+adj./adv. +比較級+ than+ 對比成分即：a +（be;實義動詞）+比較級+than +b2.比較級+and+比較級 或 more and more+原級3. the +比較級，the+比較級4.比較級+than any (other)+單數(shù)名詞表示同一事物在某一范圍內(nèi)進行比較5. the + 比較級+ of the two是兩者中更的一6. which / who is + 比較級， a or b ?比較a、b兩事物, 問其中“哪一個較”1. his computer is cheaper than i. （×）2

3、. mary is very younger than her brother. （×）3. shanghai is bigger than any city in china. （×）4. tom is taller of the two brothers. （×）煩惱一 同類事物才能比較煩惱二 錯用修飾語。修飾比較級只能用much / even / far / a little.不能用very / so / too / quite來修飾。煩惱三 同一事物不能比較。同一事物在某一范圍內(nèi)進行比較，常用結(jié)構(gòu)比較級+than any (other)+單數(shù)名詞煩惱四 表

4、示“是兩者中更的一個”時, 用 “the + 比較級+ of the two”結(jié)構(gòu)。the 不可缺。使用形容詞比較級時需注意以下幾點：1) than后面接代詞時, 一般要用主格形式， 但在口語中也可使用賓格形式。 如：my brother is taller than i / me. 2) 當需要表示一方超過另一方的程度時，可以用much, a lot, a little, a bit, even, still等來修飾形容詞比較級。注意: 比較級不能用very, so, too, quite等修飾。如：he is much more serious than sam.3) 上下文明確的情況下,

5、形容詞比較級可單獨，使用不用連詞than 。如： my sister is tall, but my aunt is taller.4) .“比較級and比較級”意為“越來越” 。多音節(jié)比較級用“more and more形容詞原級”如：its getting worse and worse. the group became more and more popular.5). “which / who is + 比較級， a or b？”比較a、b兩事物, 問其中哪一個較時用此句型。如：which t-shirt is nicer, this one or that one? who is

6、more active, mary or kate?which one is more popular among students, going to concerts or going to movies?三形容詞和副詞的最高級一）主要用于三者或三者以上進 行比較表示：某人或某物在某范圍內(nèi)最的意思。（二）結(jié)構(gòu)： 1. 主語+be/行為動詞+the 最高級+in(of/among) 1) in表示環(huán)境范圍，of /among 表示對象范圍 2) 形容詞最高級前有物主代詞時，不加the 3) 副詞最高級前the也可以省掉。1）he is the tallest in his class. 2)

7、 he is the tallest of (all)the /the three boys3) he studies the hardest among them /of all the students.2. which / who is + the 最高級，a, b or c？比較a、b、c三事物, 問其中哪一個最1) who is the tallest, lucy，mary or kate?2) which one is the most popular among students, going to concerts ， going to movies or playing co

8、mputer games?3. one of +the +最高級+名詞復數(shù) 4. the +序數(shù)詞+最高級+名詞5.“比較級+than any other+單數(shù)名詞”結(jié)構(gòu)表示最高級概念6.最高級前的修飾語也可以是first, second, thirdhuanghe is the second longest river in china.注意以下表達式的含義：the sameas(和一樣)， had better(最好)，less than(不到)，more or less(或多或少)，rather than(而不是)，the morethe more/less(越就越) sooner or

9、 later(遲早)最后：一定要判斷來用形容詞的比較等級，還是副詞的比較等級。副詞主要用來修飾行為動詞的，經(jīng)常跟在行為動詞之后修飾。而形容詞主要在系動詞之后，名詞之前修飾。（難點）tom does his homework more carefully than lily.tom is more careful than lily.重點短語1. the highest mountain in the world (qomolangma)世界上最高的山2. the biggest desert in the world (the sahara)世界上最大的沙漠3. the longest riv

10、er in the world (the nile)世界上最長的河4. the deepest of all the salt lakes (the caspian sea)所有咸水湖中最深的5. the biggest population in the world世界上最大的人口數(shù)量6. be higher than any other mountain比其他任何山更高7. the biggest country in asia亞洲最大的國家8. the second longest river in the world世界第二長河9. one of the oldest countrie

11、s in the world 世界上最古老的國家之一10. one of the worlds most dangerous sports 最危險的運動之一11. one of the most popular places最受歡迎的地方之一one of +the/my+形容詞的最高級+名詞的復數(shù)形式(高頻考點)12. the same size as和一樣大13. mountain climbing爬山14. feel free to do sth隨便干某事 feel free to ask me anything15. the ancient emperors古代的皇帝16. as you

12、 can see,.正如你所看見的,17. as far as i know,就我所知,.18. man-made objects人造物體19. freezing weather conditions冰凍的天氣條件20. take in air呼吸空氣21. the first people to reach the top第一個到達頂上的人the first/ last one to do sth 第一或最后一個干什么的（考點）22. risk their lives冒著他們的生命危險23. challenge themselves挑戰(zhàn)自我 24. in the face of diffic

13、ulties面對困難25. the forces of nature自然力26. achieve our dreams實現(xiàn)夢想27. at birth在出生的時候=when sb was born28. live up to活到29. at the chengdu research base在成都大熊貓研究基地30. die from illnesses死于疾病=die because of illnesses/an accident（外因）die of sad / happiness / cancer (癌癥)（內(nèi)因而死）31. in the remaining forests在剩下的森林里

14、32. another 200 or so還有大約200左右33. endangered animals瀕危動物（考點）34. the importance of saving these animals拯救這些動物的重要性35. only live for a short time because of illnesses由于疾病僅活很短的時間36. make more homes for the pandas為大熊貓建造更多的家園(指人的出生地)37. catch whales for meat, fat and oil為肉,脂肪和油而捕鯨38. jump high out of the

15、water高高地躍出水面39. rules on whale protection保護鯨的制度40. water pollution水污染41. stop putting rubbish into the sea停止往大海里丟垃圾42. whale parts sold被賣的鯨魚器官43. have to be protected不得不被保護44. protect from保護免于的傷害必背句子1.this makes it the longest wall in the world.這讓它成了世界上最長的墻2.the main reason was to protect their part

16、 of the country.主要原因是為了保衛(wèi)他們部分的國土.3.as far as i know, there are no man-make objects as big as this.就我所知,世界上沒有和這個一樣大的人造工程.4.the himalayas run along the southwestern part of china.喜馬拉雅橫臥在中國的東南部.5.of all the mountains, qomolangma reses the highest.所有的山之中,珠穆郞瑪聳立得最高.6.thick clouds cover the top and snow c

17、an fall very hard.厚厚的去覆蓋著山頂, 雪也可能下得很猛.7.it is also very hard to take in air as you get near the top.(as = when)當你接近山頂?shù)臅r候,呼吸也非常的困難.8.the spirit of these climbers shows us that we should never give up trying to achieve our dreams.登山都的精神向我們表明, 我們應該永不放棄努力實現(xiàn)我們的夢想.9.no ocean in the world is as big as the

18、pacific ocean.世界上沒有海洋和太平洋一樣大.10.this elephant weighs many times more than this panda.這頭大象的重量比這頭熊貓重許多倍.11.lin wei and the other panda keepers are preparing the milk for the baby pandas breakfast.林偉和其他的熊貓飼養(yǎng)員正在為熊貓準備牛奶早餐.the babies are already awake and hungry.熊貓寶寶已經(jīng)醒了,也很餓.12.when the babies see the keepers, they run over with excitement and some of them even walk into their friends and fall over!當