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1、教材教材重點(diǎn)難點(diǎn)梳理重點(diǎn)難點(diǎn)梳理 九年級九年級(下下) Unit 3Unit 4 重難點(diǎn)梳理.一、重點(diǎn)單詞 (下面為常考、常用的單詞。請同學(xué)們認(rèn)真復(fù)習(xí)，擴(kuò)大詞匯量。)Unit 31.擔(dān)心；憂慮_ 2.大氣層_ 3.溫度；氣溫_4.猜測_ 5.環(huán)境保護(hù)的；贊成環(huán)境保護(hù)的_6.無生命的；無生物生長的_ 7.燃料_ 8.煤_9.結(jié)果_ concernatmospheretemperatureguessgreenlifelessfuelcoalresult10.（使）增長；增多；增加_ 11.摧毀；毀滅_12.自然界；大自然_ 13.表面；表層_ 14.土壤_15.洪水；水災(zāi)_ 16.習(xí)慣_ 17.正

2、確的；恰當(dāng)?shù)腳18.無害的_ 19.回收利用_ 20.目的；用途_21.解決辦法；處理手段_increasedestroynaturesurfacesoilfloodhabitproperfriendlyrecyclepurposesolution22.政府_Unit 41.地震_ 2.（使）灌滿水，淹沒_ 3.嚴(yán)重地；厲害地_4.活著的；在世的_ 5.水坑；水塘_ 6.物體；物品_7.長途汽車_ 8.通過_ 9.電話路線_10.（因?yàn)槿秉c(diǎn)）不運(yùn)行的；不轉(zhuǎn)動的_ governmentearthquakefloodbadlyalivepoolobjectcoachpasslinedead11.老

3、板_12.聾的_ 13.盯著看；凝視；注視_ 14.屏幕；熒光屏_15.看（聽）到；注意到，意識到_ 16.（使）醒來_17.立即；馬上；即刻_ 18.失蹤的_ 19.同類的；同伴的_immediatelybossdeafstarescreennoticeawakemissingfellow二、重點(diǎn)短語(請同學(xué)們重點(diǎn)掌握下面的短語，做到活學(xué)活用。完形填空、完成句子等題型經(jīng)常會考查大家對短語的掌握。)Unit 31.溫室效應(yīng)_ 2.在危險(xiǎn)中_ 3.由于_4.導(dǎo)致；造成_ 5.許多；大量_ 6.采取行動_7.有作用；有影響_ 8.充當(dāng)_ as a result ofgreenhouse effec

4、tin dangerresult inmountains oftake actionmake a differenceact as9.海平面_10.楷模；行為榜樣_Unit 41.自然災(zāi)害_ 2.通過；經(jīng)過_ 3.持續(xù)；堅(jiān)持_4.閑坐_ 5.不愿為花時(shí)間_ 6.不被理睬_7.盯著看_ 8.驚訝地_ 9.暫時(shí)_10.救生包_ have no time to dosea levelrole modelnatural disasterpass bystick withsit aroundfall on deaf earsstare atin surprisefor nowsurvival bag三、

5、重點(diǎn)句型 (熟練掌握并運(yùn)用句型是學(xué)好英語的基本要素之一，要做到熟能生巧就必須大量地練習(xí)。請同學(xué)們熟練掌握下面的句型。)1.This means that we should only buy and use products friendly to the environment.這意味著我們應(yīng)該只購買并且只使用對環(huán)境有益的產(chǎn)品。 句型：This/That/It + means/meant+that., 表示“意味著”。它的否定句式是：This/That/It+doesn t/didn t+mean+that.,表示“并不意味著”。翻譯：She was not at home, but _ _

6、 _ _（這并不意味著）she went to Shanghai. 2.1)It was nine oclock in the morning.是在早上的九點(diǎn)鐘。itdidnt mean that2)It is summer now.現(xiàn)在是夏天。3)It rained all day.雨下了一整天。4)It is only a fiveminute walk from my home to the school.從我家到學(xué)校步行只有5分鐘的路程。 句型：It 用作形式主語。以上四句分別是：1) it 指代時(shí)間。 2) it 指代季節(jié)。 3) it 指代天氣。4) it 指代距離。翻譯：1)現(xiàn)在

7、是早上10點(diǎn)。_2)今天刮風(fēng)了。_3)去到最近的車站要走10分鐘。_3.It s important to stick with it.堅(jiān)持很重要。句型：我們也能用it作一個(gè)句子的形式主語來替換動詞Its 10 in the morning.It is windy today.It is 10 minites walk to the nearest bus stop.不定式。這句話可以替換成To stick with it is important.另外，以下兩句也是用it作形式主語：1)It seemed that they did not want to leave.似乎他們都不想離開。2

8、)In surprise, people finally started to notice the flood, but it was too late.最后，人們很吃驚地注意到洪水，但是太晚了。 4.其他好用的常用的句型： 1)Jerry uses the same amount of electricity as his neighbour does .杰瑞的用電量和他的鄰居一樣。2)Everyone hopes that there will never be another ice storm like the one in 1998.每個(gè)人都希望不會再有像1998年那樣的冰暴。 鞏

9、固練習(xí)一、語法選擇 Pollution means 1 dirty or harmful things to land, air, water and so on.Pollution is bad for animals and plants, and it even makes peoples 2 in danger.In our daily life, we can 3 different kinds of pollution in many places.There 4 three main forms of pollution: land pollution, air pollutio

10、n and water pollution. Land pollution is caused 5 solid waste, such as cans, bottles and some plastic things which arent broken down quickly.It makes the environment 6 very bad.However, air pollution is more serious than land pollution.It is much 7 in cities and towns because of the fumes(廢氣)from tr

11、affic and the waste from human activities.After the gases 8 into the air, they may mix with clouds.Then they will become some harmful chemicals falling on the ground with rain.It is one of the reasons for soil erosion(土壤侵蝕)which 9 one example of water pollution. Various kinds of pollution will cause

12、 many health problems.People 10 they must change this serious situation.Here are many ways to control pollution. 11 alternative energy(替代能源)is very popular in many countries.China, for example, has made up 12 mind to be a leader in this field.It is trying 13 to make full use of energy from the sun a

13、nd wind.It 14 plenty of money to make electric cars and trains instead of traditional traffic.We should also take action to make our environment 15 .Take cloth bags while going shopping and drive cars less. We have only one earth.We must take small steps now to help protect our environment for the f

14、uture wherever we are.( )1.A.add B.to add C.adding D.adds( )2.A.health B.healthy C.healthier D.healthiest( )3.A.see B.to see C.seeing D.sees( )4.A.is B.are C.was D.were( )5.A.by B.with C.of D.for( )6.A.look B.looking C.looked D.to look( )7.A.bad B.badly C.worse D.worstCAAAABC( )8.A.get B.gets C.got

15、D.getting( )9.A.was B.were C.is D.are( )10.A.realize B.realized C.realizes D.have realized( )11.A.Develop B.Develops C.Developing Developed( )12.A.it B.its C.its D.it is( )13.A.hardly B.hard C.harder D.almost( )14.A.pay B.pays C.paid D.has paid( )15.A.cleaner and cleaner B.clean and clean C.more and

16、 more clean D.more cleaner and more cleaner CDACBBDA二、完形填空 When July comes, children know they ll have their examinations and the school year will end soon.Boys and girls will 1 a nearly two months holiday.And they ll 2 school by train or by car to 3 to see their fathers and mothers. The summer holi

17、days are the 4 time of the year for most children.The weather is usually good, so one can 5 most of his time playing outside.If one lives in the country, he can 6 into the woods and in the fields.If one lives in a big town, he can usually go to a park to play.The best place for a summer holiday is t

18、he 7 .Some children are 8 enough to live near the sea.But for the others who do not, if they have the chance to stay at one of the big seaside towns for a week or two, they will talk about it all the following school year. Now, what makes children like the seaside so much? I think it is the 9 ,the s

19、ea and the sun, not anything else.Of course, there are lots of new things to see, nice things to eat, and interesting things to do.But the feeling of sand under their feet, of salt water on their skin, and the feeling of the warm sun on their backs make them 10 .( )1.A.hold B.have C.go on D.make( )2

20、.A.get to B.leave C.leave for D.travel to( )3.A.go to town B.go to the parks C.leave home D.return homeBBD( )4.A.best B.better C.worst D.worse( )5.A.take B.use C.spend D.waste( )6.A.go out B.go on C.go back D.go away( )7.A.village B.seaside C.city D.park( )8.A.lucky B.sad C.worried D.quiet( )9.A.tre

21、e B.moon C.seashell D.sand( )10.A.happier B.angrier C.sadder D.healthierACABADA三、閱讀理解 Endangered (瀕臨滅絕的) mountain gorillas(大猩猩) are close to humans.Over the past years, people have made a great effort to help them.And now, the results are good. According to the new information released by the World

22、Wildlife Fund, the number of mountain gorillas has risen from 786 to 880 in the last two years.However, they are still endangered, this increase is largely because of the actions of conservationists (保護(hù)主義者).In 2000, the number of mountain gorillas was only 320.The low number was a result of illegal

23、hunting, habitat loss and disease.Since then, the number has risen, but slowly. Mountain gorillas live in Rwanda, Uganda, and Democratic Republic of Congoall countries in central Africa.To provide them with more protection and care, nearly half of the gorillas live in a national park.Bwindi Impenetr

24、able National Park, in the northern part of Rwanda, is home to 400 mountain gorillas. Mountain gorillas live in groups.There are about 30 gorillas in each group.The leader is an older male.This male can weigh up to 500 pounds and be nearly 6 feet tall.Often he will have silver hair on his back, mark

25、ing his old age and dominance (權(quán)勢) within the group.Like others, gorillas depend on one another.But now, they are depending on humans to help keep them alive.( )1.The underlined word “release” means _ in Chinese. A.隱藏 B.收到 C.發(fā)現(xiàn) D.發(fā)布 ( )2.Which of the following isn t the reason why there are so few m

26、ountain gorillas? A.Less food. B.Disease. C.Illegal hunting. D.Loss of living places. ( )3.Nearly half of the mountain gorillas live _. A.in a forest B.in the mountains C.in a park D.in a river DAC( )4.What can we infer from the passage?A.We humans can be gorillas leaders.B.In a group, the tallest g

27、orilla must be the leader.C.There will be about 1,400 mountain gorillas in 2025.D.Maybe many gorillas won t be used to the wild life in the future. ( )5.What s the main idea of the passage?A.We need to learn more about mountain gorillas.B.Conservationists are good friends of mountain gorillas.C.The

28、number of mountain gorillas is rising with the help of humans.D.We should try our best to protect mountain gorillas that are in the wild. CD四、閱讀填空閱讀下列短文，從短文后的五個(gè)選項(xiàng)中選出能填入空白處的最佳選項(xiàng)。 Zhalong is a nature reserve (自然保護(hù)區(qū))in Heilongjiang in northeast China.It is one of the worlds most important wetlands.It i

29、s a good home for different kinds of plants, fish and birds. Many birds live comfortably in Zhalong Nature Reserve all year round.1._.There are many fish in the wetlands, and the birds can easily catch them for food. Some people want to change the wetlands to make more space for farms and buildings.

30、2._.More and more birds are in danger because they do not have enough living space.3._.We should do something to protect birds now.BED This year members of our Bird Watching Club are going to study the different kinds of birds in Zhalong and the changes in their numbers.The study begins next month.

31、We do a bird count once a year.We are now inviting secondary school students to help.4._.Many people do not understand the importance of the wetlands，some people dont know how to protect the birds.5._.Then they will actively(積極地)take action to protect wildlife.CAA.We need more people to help us coun

32、t and do something to help the birds.B.Some birds only stay for a short time.C.We hope this information will help them understand better.D.Many of them died.E.This means that there will be less and less space for wildlife.五、單詞拼寫1.The population has i _ from 1,000,000 to 3,000,000.2.Although the brid

33、ge was made of stone,it was badly damaged by the f _.3.I am sorry to hear that Jim s father is d_.He can t hear anything any more.4.My grandparents have a h _of going for a walk after dinner.5.The earthquake d _the whole city in one night.6.He begged the b _to give him the job because it is very imp

34、ortant to him.ncreasedloodeafabitestroyedoss7.The t _ has stayed low this week.8.I don t g _it will rain tomorrow.9.The police are searching the whole mountain for the m _climbers.10.He was surprised that his daughter was still a _.六、完成句子1.這個(gè)女孩凝視著鏡子里的自己。The girl _ _herself in the mirror. 2.讓我們行動起來戰(zhàn)勝

35、這場災(zāi)難。 Let s _ _to recover from the disaster. emperatureuessissinglivestared attake action3.一旦我們決定了，就一定要堅(jiān)持下去。Once we made a decision, we should _ _it. 4.孩子們見到那只怪物都驚呆了。The children saw the monster _ _ . 5.我和他做的是相同的工作，但是報(bào)酬卻不一樣。I do _ _job _he,but we are paid differently. 6.我的生活方式跟你的有點(diǎn)不同。My lifestyle is_ _ _ _yours. 7.我希望我能像鳥一樣飛翔。I _I can fly _a bird. stick within suprisethe sameasa little different fromhopelike8.我的年齡和Tom 一樣。I am _ _age _Tom. 9.我買了這個(gè)跟我上周丟失的那個(gè)一樣的包。I bought _ _bag _I lost last week. 10.這是多么美妙的音樂?。 _music it is! the sameasthe sameasWhat wonderful