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

1、Unit7 Whats 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achievement 成就；成績(jī)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)動(dòng)詞：pr

2、otect 保護(hù)；防護(hù)include 包括；包含succeed 實(shí)現(xiàn)目標(biāo)；成功achieve 達(dá)到；完成weigh 重量是；稱的重量形容詞：deep 深的ancient 古代的；古老的wide 寬的；寬闊的thick 厚的；濃的awake 醒著wild 野生的huge 巨大的；極多的兼類詞：tour n&v 旅行；旅游research n&v 研究；調(diào)查adult adj 成年的；成人的 n 成人；成年動(dòng)物短語(yǔ)：feel free （可以）隨便（做某事）as far as I know 就我所知take in 吸入；吞入（體內(nèi)）in the face of 面對(duì)（問(wèn)題、困難等）even tho

3、ugh 即使；雖然at birth 出生時(shí)walk into 走路時(shí)撞著fall over 絆倒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；不多于知識(shí)點(diǎn)：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（千），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 hundred and eigh

4、ty-seven18,357,089 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-six thousand, seve

5、n 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 ！39882、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） at a depth/length/height/width of + 基數(shù)詞 + 單位詞單位詞：meter米，kilometer千米，foot英尺基數(shù)詞 1，單位詞變復(fù)數(shù)This well

6、is 10 meters deep. 這口井十米深。Its about 10 meters in width. 它寬約10米。We found water at a depth of 30 meters. 我們?cè)?0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（同一范圍類別）adj/adv比較級(jí) + than any + 單數(shù)名詞（不同范圍類別）China is larger than any other country 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 an

7、y 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 than student in class. 他比班里任何一個(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 worlds population is increasing faster 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 p

8、opulation 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，而新加坡人口很少。（4）詢問(wèn)人口多少：Whats the population of ？ 的人口有多少？ 回答：have/has a population of + 數(shù)字 有人

9、口。 The population of is 的人口有。Whats 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、 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)驚訝、驚奇This is an amazing discovery. 這是一個(gè)驚人的發(fā)現(xiàn)。Im amazed at his rapid progres

10、s. 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、 one of the + n復(fù)數(shù) 之一one of the + 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

11、. 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 couldnt 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)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

12、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 ones dream = make ones dream come true 實(shí)現(xiàn)某人的夢(mèng)想He achieved his dream of becoming an engineer. = 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)

13、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)我們到達(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 fail, I will have a try. 哪怕失敗，我也要試一下。Even though you had wings, you cant be there in tim

14、e.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到8磅之間。She weight the stone in her hand. 她用手掂了掂那塊石頭的重量。weight n 重量，分量put on/gain weight 增加體重lose weight 減重12、 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 environme