人教版八年級(jí)下冊(cè)英語(yǔ)Unit7知識(shí)點(diǎn)

1、Unit7 What's the highest mountain in the world ？名詞：square 平方；正方形meter 米；公尺desert 沙漠population 人口；人口數(shù)量Asia 亞洲tourist 旅行者；觀光者wall 墻動(dòng)詞：protect 保護(hù)；防護(hù)include 包括；包含形容詞：deep 深的ancient 古代的；古老的wide 寬的；寬闊的兼類(lèi)詞：tour n&v 旅行；旅游adult adj 成年的；成人的短語(yǔ)：feel free （可以）隨便（做某事）as far as I know 就我所知achievement 成就；成績(jī)

2、condition 條件；狀況force 力；力量nature 自然界；大自然ocean 大海；海洋birth 出生；誕生bamboo 竹子succeed 實(shí)現(xiàn)目標(biāo)；成功achieve 達(dá)到；完成thick 厚的；濃的awake 醒著wild 野生的keeper 飼養(yǎng)員；保管人excitement 激動(dòng)；興奮illness 疾病government 政府oil 油；食用油；石油protection 保護(hù)；保衛(wèi)weigh重量是；稱(chēng)的重量huge 巨大的；極多的n 成人；成年動(dòng)物research n&v 研究；調(diào)查walk into 走路時(shí)撞著fall over 絆倒take in 吸入；

3、吞入（體內(nèi)）in the face of 面對(duì)（問(wèn)題、困難等）even though 即使；雖然at birth 出生時(shí)知識(shí)點(diǎn)：or so 大約in size （面積、體積等）大小up to 到達(dá)（某數(shù)量、程度等） ；至多有；不多于1 、大數(shù)的讀法：9600,000 nine million and six hundred thousand千位數(shù)以上的讀法：先從數(shù)字的右端向左讀，每三位數(shù)加一個(gè)逗號(hào)。第一個(gè)逗號(hào)前的數(shù)字為 thousand，第二個(gè)逗號(hào)前的數(shù)為 million （百萬(wàn)） ，第三個(gè)逗號(hào)前的數(shù)為billion （十億） ，然后一段一段的表示。2,687 two thousand six

4、 hundred and eighty-seven 18,357,089 eighteen million, three hundred and fifty-seven thousand, eighty-nine164,213,430 one hundred and sixty-four million, two hundred and thirteen thousand, four hundred and thirty1,123,456,789 one billion, one hundred and twenty-three million, four hundred and fifty-

5、six thousand, seven hundred and eighty-nine多位數(shù)基數(shù)詞讀法口訣：讀數(shù)前，先分開(kāi)；寫(xiě)數(shù)前，先擺位。billion , million , thousand排好隊(duì)。注意：幾百幾千幾百萬(wàn)等不要加s ! ! !39883456789852747985237493920482、表示長(zhǎng)寬高基數(shù)詞 +單位詞 + adj （deep深，long長(zhǎng)，wide寬，high高） 基數(shù)詞 +單位詞 + in + n （depth深度，length長(zhǎng)度，height高度，width寬度）i at a depth/length/height/width of + 基數(shù)詞 + 單

6、位詞單位詞： meter米，kilometer 千米,foot 英尺基數(shù)詞 1,單位詞變復(fù)數(shù)This well is 10 meters deep.這口井十米深。It's about 10 meters in width.它寬約 10 米。We found water at a depth of 30 meters.我們?cè)?30 米深處找到了水。3、表示比其他任何一個(gè)都： adj/adv比較級(jí)+ than any other +單數(shù)名詞（同一范圍類(lèi)別）adj/adv比較級(jí)+ than any +單數(shù)名詞（不同范圍類(lèi)別）China is larger than any other cou

7、ntry in Asia （同一范圍）中國(guó)比亞洲的其他任何一個(gè)國(guó)家都大。China is larger than any country in Africa （不同范圍）中國(guó)比非洲的任何一個(gè)國(guó)家都大。He is taller thanstudent in class.他比班里任何個(gè)學(xué)生高。The Pacific Ocean is larger than lake in the world.太平洋比世界上任何一個(gè)湖都大。4、population人口；人口數(shù)量，是集體名詞（1）做主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)形式The world's population is increasing faster

8、 and faster. 世界人口增長(zhǎng)越來(lái)越快。（2）前面有分?jǐn)?shù)或百分?jǐn)?shù)修飾時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)70% of the population live in the countryside. 70% 人 口住在農(nóng)村。two thirds of the population live in the countryside.三分之二人 口住在農(nóng)村。（3）形容人口多少用large （多）或small （少）China has a large population, but Singapore has a small population. 中國(guó)人口眾多，而新力口坡人口彳艮少。（4）詢(xún)問(wèn)人口多少： Wha

9、t's the population of ?的人口有多少？回答： have/hasa population of + 數(shù)字 有人口。The population of is的人口有。What's the population of China ?中國(guó)有多少人口？It has a population of 1.3 billion. = The population of China is 1.3 billion. 有 13 億人 口。5、a amazing令人大為驚奇的；令人驚喜（驚嘆）的 修飾物amazed驚奇的；驚喜的；驚嘆的 修飾人 be amazed at sth對(duì)驚

10、訝、驚奇This is an amazing discovery. 這是一個(gè)驚人的發(fā)現(xiàn)。I'm amazed at his rapid progress.我對(duì)他快速的進(jìn)步感到驚訝。6、protect against/from 保護(hù)免于The sunglasses protect eyes against the strong sunlight.太陽(yáng)鏡保護(hù)眼睛不受陽(yáng)光上海。What can women do to protect themselves from heart disease ? 女性怎樣做才能使自己不得心臟病呢？7、o one of the + n 復(fù)數(shù)之一one of t

11、he + adj最高級(jí) + n復(fù)數(shù) 最的之一Miss Li is one of the most popular teachers in our school.李老師是我們學(xué)校最受歡迎的老師之一。此結(jié)構(gòu)做主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)One of the boys likes playing soccer. 其中一個(gè)男孩喜歡踢足球。8、succeed v實(shí)現(xiàn)目標(biāo)；成功 反義詞：fail失敗succeed in doing sth 成功做某事I couldn't believe that they succeeded in solving the problem. 我很難相信他們成功解決了這個(gè)問(wèn)

12、題。success n成功的人或事（可數(shù)名詞）；成功（不可數(shù)名詞）He is a great success as a writer.作為作家，他是一個(gè)偉大的成功者。Failure is the mother of success. 失敗是成功之母。successful adj 成功的He is a successful writer.他是個(gè)成功的作家。9、achieve v達(dá)到；完成；成功achieve one's dream = make one's dream come true 實(shí)現(xiàn)某人的夢(mèng)想He achieved his dream of becoming an en

13、gineer. = His dream of becoming an engineer came true.他實(shí)現(xiàn)了成為一名工程師的夢(mèng)想。achievement成就，成績(jī)（可數(shù)名詞）；達(dá)到，完成（不可數(shù)名詞）He has many great achievements.他有許多偉大的成就。We felt a strong sense of achievement when we reached the top of mountain.當(dāng)我們至U達(dá)山頂時(shí)，我們有極大的成就感。10、even though即使；雖然 =even if,不能和but連用Even though I should fai

14、l, I will have a try.哪怕失敗，我也要試一下。Even though you had wings, you can't be there in time.即使你長(zhǎng)了翅膀，也無(wú)法及時(shí)到那里。11、weigh v重量是，稱(chēng)的重量At birth, most babies weigh between 6 and 8 pounds.大多數(shù)嬰兒出生時(shí)的體重在6至U 8磅之間。She weight the stone in her hand.她用手掂了掂那塊石頭的重量。廠weight n 重量，分量put on/gain weight 增加體重lose weight 減重12、p preparefor 為準(zhǔn)備prepare for 為做準(zhǔn)備She prepared a nice breakfast for us.她給我們準(zhǔn)備了一頓可 口 的早餐。He works hard to prepare for the exam. 他努力學(xué)習(xí)為考試做準(zhǔn)備。13、cut down砍倒；減少cut up切碎cut off切斷；打斷cut away切除；剪去cut out刪除；裁剪In order to protect the envir