1、unit3 the earth一.要點(diǎn)短語(yǔ): 1 be covered by 由覆蓋 2 protect the earth保護(hù)地球3 many different plants 許多不同的植物 4 somesome 一些一些 5 on earth在地球上6 on the land在陸地上 7 in the sky在空中8 under the water 在水下面9 provide sb with sth=provide sth for sb 給某人提供某物 10 make energy 制造能源 11 put into 把放進(jìn) 12 under the ground 在地下 13 stop

2、doing sth停止做某事14 it is +adj.for sb to sth 對(duì)某人來(lái)說(shuō)做某事很15 let sb do sth讓某人做某事16 one quarter 四分之一，一刻鐘 17 ask sb to do sth讓某人做某事18 catch fish抓魚19 fewer and fewer越來(lái)越少 20 each year每年21 throw away 扔掉22 need sth to do sth 需要某物來(lái)做某事 23 keep sb alive 保持某人存活24 find out 查清楚,弄明白25 a long time ago = long , long ago

3、很久以前 26 in the end 最后，終于2. 要點(diǎn)解釋: 1. read a poster about the earth.閱讀有關(guān)地球的宣傳海報(bào)。 earth n.意為“地球”，其前面需要定冠詞the。 eg：the moon goes round the earth. 還有“陸地，地面；泥，土”的意思，此時(shí)不需要大寫。eg：the balloon fell to earth. on earth= on (the) earth, 意為“在地球上”。 eg：we live on earth. 我們生活在地球上。 2.talk about what we can do to protec

4、t the earth. 討論為保護(hù)地球我們能做些什么。 protect v. 保護(hù) protection n.保護(hù) protect sb./sth. from/against sth保護(hù)某人/某物免受傷害 we must protect the forest from fire. 我們必須保護(hù)森林免受火災(zāi)。 3. about 70% of the earth is covered by water. 百分之七十的地球是被水所覆蓋. 百分?jǐn)?shù)做主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞要與它所指代的名詞相一致. about 60% of the students in our class are girls. 我們班60

5、%的學(xué)生是女孩。 be covered by 被覆蓋著，表動(dòng)作； the road is covered by leaves in autumn. 秋天這條路蓋滿了樹(shù)葉。 4. there are also many people like you and me on earth.地球上還有很多像你我一樣的人。 (1)區(qū)分also; too; either also常用于肯定句中，位于實(shí)義動(dòng)詞前，或用于be 動(dòng)詞、情態(tài)動(dòng)詞之后； he also enjoys reading. 他也喜歡閱讀 he is also clever. 他也很聰明 too通常用于肯定句末, 其前有逗號(hào).i really

6、 like this song, and i like the first one ,too. either用于否定句末, 其前有逗號(hào) i dont like singing. she doesnt like singing, either. (2)like v.喜歡 like doing sth喜歡做某事 本句中l(wèi)ike是介詞，意為像一樣 thats not right. do it like this. 那樣不對(duì)，像這樣做才對(duì)。 5.the earth provides us with air, water and food. 地球?yàn)槲覀兲峁┝丝諝?、水少食物?provide及物動(dòng)詞，意為

7、“提供”，provide sb. with sth.= provide sth. for sb. 為某人提供某物. the sun provides us with light and heat.= the sun provides light and heat for us. 太陽(yáng)給我們提供光和熱。 6. today, there is a lot of pollution. 今天，有很多污染。 pollution不可數(shù)名詞，意為“污染”。 air pollution 空氣污染 noise pollution 噪聲污染 there is a lot of pollution in the a

8、ir here. 這里的空氣有大量的污染。 pollute及物動(dòng)詞，意為“污染；弄臟” the dirty water from the factory pollutes the river. 來(lái)自工廠的臟水污染了這條河。7. we burn things to make energy.我們?nèi)紵恍〇|西來(lái)制造能量. burn及物動(dòng)詞，= set .on fire意為“燃燒；點(diǎn)燃”. energy不可數(shù)名詞，意為“能量；能源” make energy“制造能量；獲取能量” she burns all her books. 她把書全燒了。 it is important to save energ

9、y. 節(jié)省能源十分重要。 now, people use water, the wind and the sun to make energy. 如今，人們利用水、風(fēng)和太陽(yáng)來(lái)獲取能量。8.we put our rubbish into the sea and under the ground. 我們把垃圾倒入海洋、埋入地下。 putinto 把放入；把倒入 they put the waste water into the river. 他們把廢水倒入河中。 please put all your toys into the box. 請(qǐng)把你所有的玩具都放入這個(gè)箱子里。 拓展】和put有關(guān)的短

10、語(yǔ)： put up 舉起；張貼 put off 推遲；推延 put away 把收拾好 put down 放下；寫下；記下 put on 穿上 put out 熄滅；撲滅9. we must stop doing these things. 我們必須停止做這件事。 stop doing sth 意為“停止做某事”，即停下手頭正在做的事情。 its time for class.stop talking. 到上課時(shí)間了，不要說(shuō)話了。 區(qū)分：stop doing sth 停止手頭正在做的事情 stop to do sth 停下手頭的事情，去做另一件事情（停下來(lái)去做.） we stopped to

11、talk when we met in the street. 當(dāng)我們?cè)诮稚吓鲆?jiàn)時(shí)，我們停下來(lái)說(shuō)話。 we are all tired. lets stop to have a rest. 我們都累了，停下來(lái)休息一會(huì)兒吧。10. it is important for us to protect the earth for our future. 對(duì)我們來(lái)說(shuō)，為未來(lái)而保護(hù)地球是重要的。 it is+ 形容詞adj.+for sb. +動(dòng)詞不定式短語(yǔ)to do sth 對(duì)某人來(lái)說(shuō)做某事是 it is important for us to learn english.對(duì)我們來(lái)說(shuō)學(xué)英語(yǔ)很重要。 i

12、ts very useful for us to learn english well. 對(duì)我們來(lái)說(shuō)學(xué)好英語(yǔ)很有用。 it is good for me to eat more vegetables.多吃蔬菜對(duì)我而言是有好處的。 以上句型中，有時(shí)也可將for sb.省去，即 it is +adj.+ to do sth.做某事是樣的習(xí)題練習(xí)一.同義詞( ) 1. the water in the river is very dirty and it kills lots of fish in it a. makesclean b. makeshealthy c. makesinterestin

13、g d. makesdie ( ) 2. we should protect the earth from now on, or well be in danger. a. keepsafe b. keepdirty c. keepfresh d. keepbeautiful ( ) 3.the cars give out lots of bad gases (氣體) and they pollute the air. a. makeclean b. makefresh c. makenew d. makedirty ( ) 4. our school gives us lots of cha

14、nces to show ourselves. a.helpswith b. provideswith c. throwsaway d. putsinto ( ) 5. the garage isnt large enough for two cars. a.good b.big c.high d.wide二.根據(jù)句意及首字母提示完成單詞. 1.we all know that the e_ is round. 2. some people are working in the f_ by the river. 3. which one do you like better, the l_ o

15、ne or the small one. 4. the l_ is used for growing food. 5. this article has two p_. 6. a lion is the king of the f_. 7.many peoople still burn wood to make e_.8.we often have a q_ at the beginning of the class.9.dont t_ away the rubbish in the river. 10. its i_ for us to keepour body healthy. 三.用括號(hào)

16、內(nèi)所給單詞的正確形式填空。 1. france is a _ (beauty) seaside (海邊) country. 2. i water the _ (plant) twice a week. 3. my dress is _ (difference) from yours. 4. i saw many _ (animal) in the zoo yesterday. 5. there _ (be) two books and a pencil on the desk6. we can get a lot of _ (energy) from food.7. miss li, can

17、you help me? i cant solve these difficult _ (problem).8.the little girl is so sad that she just cant stop_(cry) 9.three_(quarter)of teh worlds surface is covered with water.10.its good for us _(listen)to english often.四.單項(xiàng)選擇.( ) 1. there are different animals _ earth. a. on bin c. with d. to ( ) 2.

18、- what do the plants need to live? - they need _ and water. a. a light b. lights c. light d. many lights ( ) 3. where do animals live? -some live _ the land. some fly _ the sky. a. on; in b. to; on c. in; in d. on; on( ) 4. stop _ around and get on with the job. a. play b. to play c. plays d. playin

19、g ( ) 5. -_ is the weather like today in guangzhou? - it is sunny and hot. a. how b. why c. what d. when ( ) 6. we are going to listen to doctor wangs _ in the school hall. a.report b. repeat c. problem d. question ( ) 7. taiwan is a _ of china. a. land b. body c. part d. section ( ) 8. we only have

20、 _ books. a. little b. much c. many d. few ( ) 9. they _ the children _ food an;d books. a. give; with b. provide; with c. provide; for d. give; for ( ) 10. our teacher always asks us _ to bed late. a. going b. not going c. to go d. not to go ( ) 11. -dont throw _ rubbish on the ground. - oh, im sor

21、ry. a. a b. an c. / d. the ( ) 12. there _ a football match between china and korea this afternoon. a. has b. is c. had d. was ( ) 13. - you look sad, jack. - our team gets a new job, but _ is difficult for us to finish it in a day. a. that b. this c. it d. he ( ) 14. dont _ your fingers _ your mouth. its bad for your health. a. put; into b. throw; into c. put; up d. put; aside. ( ) 15. when you do the listening pra