八下unit7 SectionA 知識(shí)點(diǎn)

1、Unit7 Whats the highest mountain in the world?Section A1.China has the biggest population in the world.中國是世界上人口最多的國家。Population“人口”，是一個(gè)集合名詞。其用法如下：(1)與the連用，做主語時(shí)謂語動(dòng)詞用第三人稱單數(shù)形式。 The worlds population is increasing faster and faster.全世界的人口增長得越來越快。(2)主語表示“人口的百分之幾、幾分之幾時(shí)，謂語動(dòng)詞用復(fù)數(shù)形式。About seventy percent of

2、the population in China are farmers.中國大約有百分之七十的人口是農(nóng)民。(3)population用作可數(shù)名詞時(shí)，其前可用不定冠詞。New York is a big city with a population of over10 million.紐約是一個(gè)有著一千多萬人口的城市。(4)表示人口“多”或“少”要用large或small。India has a large population.印度人口眾多。Singapore has a small population.新加坡人口少。(5)詢問某國、某地有多少人口時(shí)用How large?;問具體人口時(shí)用wh

3、ats the population of?.How large is the population of your hometown? 你們家鄉(xiāng)有多少人口？Whats the population of Canada?加拿大的人口有多少？2.Feel free to ask me anything on todays Great Wall tour.在今天的長城旅游中，大家盡管問我任何問題，不要拘束。(1)Feel free隨便；輕松。I love my work, and I feel free. 我喜歡我的工作，我覺得我現(xiàn)在自由自在。If you need help with anyth

4、ing, please feel free to ask me.如果有什么需要我?guī)椭幈M管找我，請不要客氣(2)Wall是一個(gè)可數(shù)名詞，意為“城墻；墻壁”The Great wall長城 a window in the wall墻上的窗戶。(3)tour的用法： (a) n.旅游；觀光；巡回 We are going on a tour of the city this afternoon.我們今天下午要到城里去觀光。We are planning a tour around the world.我們正計(jì)劃環(huán)球旅行。 (b) v.周游；旅行；巡回 She plans to tour abou

5、t the world.她打算周游世界。 We are touring Italy for our holidays this year.今年我們假期要去意大利旅行。tourist n.旅游者；觀光者。 3.The main reason was to protect China.主要的原因是為了保護(hù)中國。protect vt.保護(hù)；防護(hù)There are fewer animals. Its important for us to protect them.動(dòng)物們越來越少，對于我們來說保護(hù)他們很重要。protection 不可數(shù)名詞“保護(hù)；防御”。The hat will give prot

6、ection against the sun.這頂帽子可以遮陽。4.Thick clouds cover the top and snow can fall very hard. 濃云覆蓋著山頂，雪可能下得很大。Thick的用法：adj.濃的；稠的。反義詞為thin.The old man likes to eat thick soup.那個(gè)老人喜歡喝濃湯。(2)adj.厚的His English-Chinese dictionary is very thick.他的英漢詞典很厚。(3)adj.茂密的；密集的a thick head of hair.一頭濃密的頭發(fā)。5.Even more se

7、rious difficulties include freezing weather conditions and heavy stones.更加嚴(yán)峻的困難包括極冷的天氣狀況和巨大的風(fēng)暴。(1)include vt.“包括；包含”，指包含其中一部分。The price includes both house and furniture.這個(gè)價(jià)格包括房子和家具。(2)include v.算在內(nèi)；列在里面Please include me in your group.請把我算在你們組內(nèi)。(3)included adj.“包括在內(nèi)”，位于名詞或代詞之后，無比較級。 Everyone laughed

8、, me include.每個(gè)人都笑了，包括我在內(nèi)。(4)Including prep.包括；包含在內(nèi)There are 40 students in the classroom, including me.包括我在內(nèi)外，教室里有40個(gè)學(xué)生。(5)freezing adj.結(jié)冰的；凍冰的。It was freezing cold that morning.那天早晨非常冷。(6)freezing n.冰點(diǎn)The temperature is below freezing.氣溫在零度以下。(7)freeze v.結(jié)冰；凝固Water freeze below freezing.冰點(diǎn)以下時(shí)水結(jié)冰。(

9、8)condition n.條件；狀況。既可作可數(shù)名詞，也可作不可數(shù)名詞。Its terrible to study in such conditions.在這種狀況下學(xué)習(xí)很糟糕。6.Its very hard to take in air as you get near the top.當(dāng)你接近山頂時(shí)，呼吸也是非常困難的。take in 吸入；吞入體內(nèi)。Open the window and take in fresh air.打開窗戶，吸收新鮮空氣。7.while the first woman to succeed was Junko Tabei from Japan in 1975.

10、而在1975年首次成功登上珠穆朗瑪峰的女性是來自日本的田部井淳子。 (1)succeed vi.成功；實(shí)現(xiàn)目標(biāo)。His plan succeeded.他的計(jì)劃成功了。(2)succeed in doing sth.成功做成某事。 Succeed with sth.在某方面獲得成功。He is certain to succeed in doing his experiment.他做實(shí)驗(yàn)一定會(huì)成功。You wont succeed with the work if you dont put your mind to it.如果你不把心放在工作上，工作就不會(huì)做好。8.One of the main

11、 reasons is because people want to challenge themselves in the face of difficulties. 其中最主要的原因之一是因?yàn)樗麄兿朐诿鎸щy的時(shí)候挑戰(zhàn)自己。Challenge 的用法：vt. 挑戰(zhàn)；考驗(yàn)I only like to study something if it really challengeme.我只喜歡研究對我有所考驗(yàn)的東西。(2) n. 邀請；挑戰(zhàn)書；挑戰(zhàn)；邀請比賽a letter of challenge. 挑戰(zhàn)書 accept a challenge to run a race.接受賽跑的挑戰(zhàn)。(3

12、)in the face of 面對（問題；困難等）He showed great bravery in face of danger.面對困難他表現(xiàn)非常勇敢。9.The spirit of these climbers shows us that we should never give up trying to achieve our dreams.achieve. Vt. 達(dá)到；完成；成功。其賓語是“實(shí)現(xiàn)”的目標(biāo)、目的等，或是“取得”的勝利、成功、名譽(yù)、地位等。I will achieve my idea. 我一定會(huì)實(shí)現(xiàn)我的理想。She achieved no success.她沒有獲得

13、成功。(2)achievement. n. 成就；業(yè)績（可數(shù)）；實(shí)現(xiàn)；達(dá)到，成功（不可數(shù)）。 we felt a great sense of achievement when we reached the top of the mountain.當(dāng)我們到達(dá)山頂時(shí)，我們感到有一種巨大的成就感。10.It also shows that humans can sometimes be stronger than the forces of nature.它也展示了人類有時(shí)比自然界的力量更強(qiáng)大。(1)force n.力；力量。表示物質(zhì)的力是可數(shù)名詞，the forces of nature自然力量；表示物理的力是不可數(shù)名詞，the force of an explosion爆炸力(2)Force v. 強(qiáng)迫；迫使。Force sb to do sth=force sb into doing sth.強(qiáng)迫某人做某事。They forced him to leave the small town.= They forced him into leaving the sm