1、Unit 2 Saving the EarthTopic 1本课重点1. 掌握重点词汇,短语及句型2. 会区分一般现在时和现在完成时本课难点1. 正确使用句型“there be sb/ sth doing sth ”2. 正确区分短语too many、too much、much too的用法3. 会区分一般现在时和现在完成时常考句型1. What a mess!2. The flowers and grass have gone!3. What has happened there?4. There are several chemical factories pouring waste wa
2、ter into the stream.5. How long have you been like this?6. Have you seen a doctor?7. Whats worse, the factory makes too much noise8. Noise is harmful to humans health. 基础过关一、词汇过关（完成并熟记下列的重点词汇和拓展）1)butterfly n._(pl.复数) villager n._n.（村庄） pollute v._ n.2)cut v._(过去式)_(过去分词) breathe v._n. 3)pain n._adj
3、. produce v._n. harm v./n._adj. 4)hear v._n. lose v._adj._n. recent adj._adv.5)comfort n._adj._(反义词) environment n._adj.6)include v._prep. create v._n pleasant_(反义词)二、短语过关（完成并熟记下列的重点短语）1)看见某人在做某事_ 2)把 倒进_3)砍倒_ 4)What a mess!_5)有某人/某物在做某事_ 6)对.有害_=_=_7)太多噪音_ 8)太多问题_9)不能忍受做某事_ 10)make a mess of_11)变聋_
4、 12)不好于，比.差_13)lose ones hearing=have hearing loss_ 14) 各种各样的 _=_15)as well_ 16)with the development of_三、句型过关（完成并熟记下列的重点句子）1. 你可以看到蝴蝶和蜜蜂飞舞。You could _bees and butterflies _.2. 听起来不错! _ _!3. 真脏乱！_ _ _!4. 花和草都已经消失了。The flowers and grass_ _.5. 有几家工厂正往小溪里注入废水。_ _ several chemical factories _waste water
5、_the stream.6. 一切都改变了。 Everything_ _.7. 我呼吸有点困难 Its difficult _me _ _.8. 我喉咙疼痛。 Ive _a pain _my throat.9. 你像这样多久了？ _ _ _ _ _ _ _?10. 我总是心情不好因为我无法忍受这里的环境。Im always _ _ _ _because I cant _the environment.11. 不是所有人都知道噪音是一种污染而且对人的身体有害。 _ _people know noise is _ _ _pollution and _ _ _humans health.12. 这不
6、仅会打扰别人而且会对人们的听力造成极大的损伤。 It _ _disturbs others but also _ _ _peoples hearing.四、 语法过关观察并总结现在完成时态与一般过去时态的区别：1.She _(leave) home an hour ago.2.I _(have) lunch and I am not hungry now.3.They _(live) there for three years.归纳总结：时态含义结构时间状语（标志）现在完成时态过去的动作或状态对现在造成的影响或结果主语+_/_+_already、_、_、_、_、before等从过去到现在持续发
7、生的动作或状态_(自从), for_(到目前为止)一般过去时态过去发生的动作或状态（与现在无关）主语+_yesterday、in1999last night/month/year. 语法知识运用做一做：( )1. -_ your sister read the magazine? -Yes, she has.A. Have B. Does C. Has D. Is( )2. He _ two days ago. A. goes there B. went there C. has gone there D. have gone there( )3. -_ you _ the movie Fur
8、ious 7 yet ? -Yes, I _ last night. Its wonderful.A. Did, see; saw B. Have , seen; have seen C. Did, see; have seen D. Have, seen; saw( )4. They _ there several times.A. go B. went C. have been D. have gone 提升训练一、词汇运用(A)根据首字母提示写出单词。1. Because of the bad air, I have a p in my throat all the time.2. Sp
9、itting in public is a kind of a behavior.3. Smoking is h to your health. Giving it up earlier is good for you.4. Its so hot in Nanjing this summer that even many local people cant b it.5. America p more cars this year than last year.6. There are s boys playing soccer on the playground.7. Dont w even
10、 one drop of water, because the earth is very short of water.8. Humans have p their own environment themselves.9. Oh, what a m ! Environment has been totally destroyed by those factories.10. What a s ! Those beautiful flowers are dead because of the poisonous (有毒的)soil.(B)用括号内说给词的适当形式填空1.You are _ (
11、waste) the time trying to explain it to him.2.The exhaust fumes(废气)_(pollute)our city since five years ago.3.Our factory _(produce)ten thousand machines last year.4.I cant_ (bear)you. Please go out!5.Noise is _(harm) to our hearing.6.Look, there is a bird _ (sing) in the tree.7.The bad air makes my
12、chest hurt and its difficult for me _(breath).8.They are doing their homework carefully. Youd better not _(disturb) them.9.Litter _ (influence) the look of our city.10.It is known that smoking does great _(harm) to us.二、单项选择( )1.How long _ you _ here?Since I came here five years ago.A.have, studiedB
13、.did, liveC.do, stayD.were, swimming( )2. Dont eat too much candy, for its_ your teeth.Oh, I get it. Thank you.A.harm toB.good for C.badly toD.harmful to( )3.There is _ pollution in the world. We must stop it.A.much tooB.too muchC.many tooD.too many( )4.Is the flower beautiful?Yes, at _ its _ the on
14、e you bought for me.A.last, as bad asB.least, no better thanC.last, not betterD.least, no worse than( )5. Pollution does harm to our health and it makes people_.A.to feel terribleB. feel terribleC. to feel terriblyD. feel terribly( )6. _ Tom_Maria loves this sport.A.Both, andB.Not only, but also C.I
15、, andD.Both, or( )7._ the environment is important for human beings.A.Take care ofB.Taking care of C.Took care of D.Take the care of( )8.Have you finished your homework?Not _. I_TV last night.A.already, have watched B.yet, watchedC.just, watchD.ever, watches( )9.It smells terrible. What has happened
16、 here?Look, there is much waste gas _ from the chemical factory.A.pourB.pouringC.pouredD.pours( )10.When I was walking in the street yesterday, I saw a UFO _ over my head.A.flyingB.fliesC.flewD.to fly( ) 11. He says he the Great Wall twice.A. has been in B. has been to C. has gone to D. has been for
17、( ) 12. People in the Northwest have too many trees, so sandstorm is always coming in many parts of China in spring.A. cut off B. cut down C. cutting off D. cutting down( ) 13. This kind of flower looks , but smells .A. nice; terrible B. well; terribly C. well; bad D. better; worst( ) 14. Dont waste
18、 water the river and the lake.A. put; into B. pour; in C. pour; into D. put; to三、情景交际填入适当的句子，补全对话。A: Hello, May!B: Hi, Peter! I havent seen you for weeks. 11._A: I have been to Hawaii (夏威夷).B: How was your journey?A: Great! Hawaii is a beautiful place.B: 12. _A: I went there by air.B: 13. _A: Yes, I
19、 had lived there for 4 years before I came here.B: 14. _A: I traveled with my friends.B: 15. _A: I have been away for about eleven days.B: What a wonderful journey!A: Yes, it was!.书面表达。（10分）人类只有一个地球。根据提示，以“Saving the Earth”为题，写一篇80词左右的短文。提示: 1.如何保护环境已成为世界最大难题之一；2.各种污染破坏环境，损害健康；3.不要乱倒垃圾，乱排废水；4.我们应该保护
20、环境，使我们的家园更加美丽。_ 参考答案：基础过关一、词汇过关（完成并熟记下列的重点词汇和拓展）1)butterflies village pollution 2)cut cut breath 3)painful production harmful 4)hearing lost loss recently 5)comfortable uncomfortable environmental 6)including. creation unpleasant二、短语过关（完成并熟记下列的重点短语）1)see sb./sth.doing sth._ 2)pour into_3)cut down_ 4
21、)真脏乱！5)there be sb./sth.doing sth. 6)be bad for=be harmful to=do harm to7)too much noise 8)too many problems9)cant bear to do/doing sth. 10)把.弄乱11)go deaf 12)no better than13)失去听力 14)all sorts of=all kinds of15)也 16)随着.的发展三、句型过关（完成并熟记下列的重点句子）1. see , dancing2.Sounds great!3.What a mess!4. have gone5
22、. There are, pouring,into6. has changed7. for,to breathe8. got,in9. How long have you been like this?10. in a bad mood,bear11.Not all,a kind of,is harmful to12.not only,does great harm to四、语法过关1.left 2.have had 3.have lived归纳总结： have/has+v.过去分词 yet,ever,never,just since,so farv.过去式 语法知识运用1.C 2.B 3.D
23、 4.C 提升训练一、词汇运用(A)根据首字母提示写出单词。1. pain 2. awful 3. harmful 4. bear 5. produced 6. several 7. waste 8. polluted 9. mess 10. shame (B)用括号内说给词的适当形式填空1.wasting 2.have polluted 3.produced 4.bear 5.harmful6.singing 7.to breathe 8.disturb 9.influences 10.harm二、单项选择1.A 根据答语判断，本题考查带有“since+过去时间点”的现在完成时。故选A。2.
24、D be harmful to，意为“有害的，导致损害的”。故选D。3.B much too 后接形容词、副词; too many 后接可数名词复数; too much 后接不可数名词, pollution 是一个不可数名词。故选B。4.D 考查at least和no+形容词比较级+than，含义是“至少它不比（花）差。”故选D。5.B 系动词feel后接形容词做表语，排除C和D，使役动词make后跟不带to的不定式。故选B。6.B both.and.意为“两者都”；not only.but also意为“不仅.而且”。两者区别是both.and.连接两个名词作主语时，谓语用原形，而not o
25、nly.but also连接两个名词作主语时，按照“就近原则”。故选B。7.B 动名词短语作主语。8.B 主要考查yet在现在完成时中的运用。yet用于否定句和疑问句中，根据last night可知用一般过去时。9.B There be+sth./sb. doing sth. 为固定句型，意为“有某人或某物正在做某事”。故选B。10.A see+宾语+doing，表示“看到某动作正在进行”。 故选A。11. B has been to 表示“去过”。12. B cut off 断，切断;cut down 砍倒。13.A look看起来;smell闻起来。两个词都是感官动词，后接形容词作表语。1
26、4. C三、情景交际1.Where have you been?2.How did you go there?3.Have you ever been there before?4.Whom did you travel with?5.How long have you been away?四、书面表达Saving the EarthHow to protect the environment has become one of the biggest problems in the world. There are many kinds of pollution around us, suc
27、h as air pollution, noise pollution, water pollution and light pollution. We can find that rubbish not only pollutes our environment but also harms peoples health. So we should not throw rubbish everywhere. Some factories pour waste water into the rivers and the lakes. The behavior of these factories will pollute the water, and sometimes it can kill the fish living in them.We have only one earth. We must keep our environment clean and tidy. We must try our best to protect her, and make our home more beautiful.
