江蘇譯林版英語九年級下冊第4單元知識點解析講義課件1(含習題和答案)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上9B Unit 4 第一講【單詞拓展】專心-專注-專業(yè)Marshelmetair tankdried foodpower packsleeping baggravityplanetcrowdedpollutedrapidincrease(all) over againover againpassengerat a/the speed ofuncomfortableoxygenin the form oftastyspeciallyfloatcomparecompare to/withinterplanetarynetworkchallengingrapidlyawar

2、ecircleagreementdistancepossibilityalienstrangercarry outpercentagedisadvantageriskafter allgoodselectronicentertainment【知識點解析】1. Wow, I've never thought about travelling into space.think about，考慮。about是介詞，后可接名詞、代詞或動名詞，作賓語；也可以接疑問詞不定式結(jié)構(gòu)或賓語從句。表示“你認為怎么樣” ，what do you think of=what do you think abou

3、t=how do you like =How do you find 后可接名詞代詞或動名詞。拓展：你認為他的想法怎么樣？How do you like / What do you think of /about idea?l think over，思考；考慮。over是副詞，如果代詞作其賓語，則要將代詞放在think 和over中間。考慮一下，你就能找到辦法。2. Me neither.me neither，在此處neither副詞，意思是也不, 也不是。常用于neither+助動詞/情態(tài)動詞/連系動詞be主語結(jié)構(gòu)，表示前面所說的否定情況同樣適用于后面的人或事物，意思是某人/某物也不。 Ma

4、ry can't swim. Neither can I. You didn't go to the park yesterday. Neither did Tom.Neither可以作形容詞，與單數(shù)名詞連用，“兩者都不”Neither answer is correct.兩個答案都不對。Neither可以作代詞，“兩者都不”, 是both的反義詞。Neither of my friends has come yet. 我的兩個朋友都沒來。拓展：Neither /nor和so 引導的倒裝結(jié)構(gòu)中的助動詞/情態(tài)動詞/連系動詞be，應(yīng)與前句的謂語部分，以及后面的主語，在人稱和數(shù)上保持

5、一致，時態(tài)和前句保持一致。如果前面的句子是肯定句，一般用 So助動詞/情態(tài)動詞/連系動詞be+主語結(jié)構(gòu)，表示前面所說的肯定情況，也同樣適用于后面的人或事物，意思是某人物也一樣。 They went to the zoo yesterday. So did we.They have been to shanghai. So has he. Neither of my friends has come yet.Neither用作連詞，常和nor 連用。 Neither nor既不也不，連接兩個平行結(jié)構(gòu)。如果連接兩個并列主語，謂語動詞要遵循就近原則。 I can speak neither Engl

6、ish nor Japanese. Neither he nor I have been to Beijing.3. What would it be like to live on Mars?Whats sb. like ? 意思是某人如何, 用于詢問某人的性格品質(zhì)等。 What does sb. like? 指某人喜歡什，用于詢問某人的喜好.What does sb. look like ? 是某人長什么樣，用于詢問某人的外貌.翻譯：What is mother like?What does she like?What does your sister look like?Can you

7、tell me _in the future?A how life will be like B how will life will be like C what life will be like D what will life be like4. Some people believe that humans could live on the planet Mars by the year 2100.believe通常不用于進行時態(tài)，名詞形式是 belief.5. Our own planet, the Earth, is becoming more and more crowded

8、 and polluted because of the rapid increase in population. (1) more and more crowded, 越來越擁擠，其結(jié)構(gòu)是比較級and比較級，意為越來越。 (2) polluted是形容詞，意思是被污染的。動詞形式是 pollute. 意思是污染。名詞形式是 pollution，意思是污染, 污染物。(3) rapid是形容詞，意思是快的, 迅速的，副詞形式是 rapidly。 He made rapid progress in English. Our country is developing so rapid

9、ly that we can imagine what life in the future will be like.（4）increase.作及物動詞。意思是，增，增長。后可跟名詞。也可作不及物動詞。 increase to意思是，增加到。 increase by 增加了. The population of this city will increase to 1.1million. They have increased the price of the vegetables by ten percent.6. Here is what life there could be like

10、.l 完全倒裝，又稱為全部倒裝，是指將句子中的謂語全部置于主語之前。即Here位于句首，主語是名詞時，用Here+謂語+主語結(jié)構(gòu)。此結(jié)構(gòu)通常只用于一般現(xiàn)在時和一般過去式。 Then began a bit wall between the two countries.于是兩國之間開始了惡戰(zhàn)。l 部分倒裝又稱半倒裝，是指將謂語的一部分，如助動詞或情態(tài)動詞，提至主語之前，而謂語動詞無變化。如果句中的謂語沒有助動詞或情態(tài)動詞，主要需添加助動詞 do/ does/ did。并將其置于主語之前。 Jim likes English. So does his brother.7. At present,

11、our spacecraft are too slow to carry large numbers of passengers to Mars-it would take months. l large numbers of表示許多, 大量的。= a large number of. Number.前面可以加large or small等修士，以表示程度。l the number of是的數(shù)量。后跟可數(shù)名詞復數(shù)，作主語時，謂語動詞一般用單數(shù)。我們班學生的數(shù)量是50。這本書有60頁。8. With the development of technology, by the year

12、2100, the journey might only take about 20 minutes in spacecraft that travel at the speed of light!（1）Development.意思是，發(fā)育、成長、發(fā)展，進展是名詞。the development of 的發(fā)展/成長l Develop.是動詞，意思是發(fā)展開發(fā)，生長發(fā)育。l 動詞后綴，變成名詞。agree agreement improve improvement,move movementdevelopdevelopmentdevelopingdeveloped(2) Journey: 長途陸路

13、拓展：trip：短途短期 tour :觀光游玩 travel:時長路遠.（3）at the speed of 以速度at the price of 以價格 at a high price高價 at a low cost低成本. at full / high speed以全速高速,at ten degree centigrade 在十攝氏度. 9. However, the spacecraft would travel so fast that the journey to Mars might be quite uncomfortable. Many people would feel il

14、l.（1）So that如此, 以至于， that引導結(jié)果狀語從句。 So是副詞，常用來修飾形容詞或副詞。這個男孩跑得如此快，以至于我趕不上他.他氣得說不出來一句話。注意：當名詞前有Many、 much、 few、 little 等詞修飾時，只能用so that.（2）uncomfortable, 形容詞, 不舒適的。其中un是否定前綴，其反義詞為舒適的，含否定前綴的單詞，有unlucky, unknown, untidy, unusual, unfriendly, incorrect, impatient, impolite imperfect, illegal, irregular。（3）

15、陳述句中如果含有否定意義前綴或后綴單詞，整個句子仍視為肯定。其反意疑問句，遵循前肯后否的原則。 Your younger brother felt unhappy, didnt he你弟弟不高興不是嗎？11.Moreover, scientists are not sure whether plants could grow on Mars. （1）be sure賓語從句，意思是確信，表示主句主語對賓語從句中所涉及的事物作出的判斷。sure.反義詞是unsure ，副詞形式是 surely.We are not sure if he will make progress. This term.

16、 Im sure that you are right.（2）be sure to do sth.必然會做某事。be sure to do.用于祈使句中，不表示判斷，而表示對對方的要求，意思是務(wù)必要一定要。千萬不要忘記（3）Be sure of /be sure about 確信，對有把握。12.Food would most probably be in the form of pills and would not be so tasty.(1) in the form of.以的形式，為固定短語。他以故事的形式把他的過去講給我們聽。(2) tasty形容詞，美味的，可口的。13.Grav

17、ity could be another problem. （1）problem.多指有待解決的問題，特別是疑難問題，或令人疑惑的是人或情況。 solve the problem, deal with the problem.（2）question指相對廣泛，指提問或回答的問題。 ask questions. answer the question.拓展：have problems (in) doing sth.或have problems with sth.做某事有困難。14. People would have to wear boots that are specially d

18、esigned to prevent themselves from floating off into space.(1) design sth. for sb. 為某人設(shè)計某物 be designed for sb. .(2) prevent sb. from doing sth.，阻止某人防止某人做某事。固定搭配，相當于stop sb. from doing sth. keep sb. from doing sth. 阻止某人做某事，其中from無論在處于狀態(tài)還是在被動語態(tài)都不能省略。protect sth. from sth.保護不受傷害，from后接能帶來傷害或損害。We must

19、protect us from traffic accident. 我們必須保護自己不受交通事故的危害。15Compared with life on the Earth, life on Mars would be better in some ways.(1) in some ways在一些方面, 從某種程度上In some ways，you are right.in a way / in one way / in some ways  在某種程度上；不完全地 in the way 擋路in this way以這種方式by the way，順便說一下on the way

20、 to在去什么的路上（2）compare with，把比較compare to，把比作，當解釋為“把與比較”時，與compare with用法相同莎士比亞把世界比作舞臺。16Life on Mars would be interesting as well as challenging.（1）as well as, 也, 又, 不但而且。當as well as連接兩個并列主語，主語是在意義上強調(diào)前者，謂語動詞應(yīng)與其前的主語保持一致。He as well as his friend likes going shopping，他和他的朋友一樣喜歡購物.。（2）as well as還意為是和一樣好，

21、前一個as為副詞，后一個as為連詞或介詞。Lin Tao speaks English as well as Jane. 林濤英語說得和吉姆一樣好。( 3 ) Challenging，挑戰(zhàn)性的。Challenge sb. to+（挑戰(zhàn)事項）意思是向某人挑戰(zhàn)。一、根據(jù)首字母提示或漢語提示填寫單詞。1. I'm ready to do all those things which are more c_.2. After he was 60, his health was falling r_.3. The Internet is a worldwide computer n_.4. He

22、r weight showed an i_ of 3kg in a month. She decided to lose weight again.5. How many _ (乘客) can the bus hold each time?6. Can fish live without _ (氧氣)?7. The Earth is one of the _ (行星) that travel around the sun.8. Look! A model ship is _ (漂浮) on the lake.一、單項填空( )1.(安徽中考)Mum,Ive signed for the box

23、.Whats in it?Im not sure.Itbe a present from your uncle. A.needB.mustC.mayD.will( )2.(煙臺中考)Its dangerous to drive after drinking.Thats true.It can increase theof traffic accidents. A.advantageB.stressC.safetyD.risk( )3.(達州中考)of the land in that towncovered with trees and grass. A.Two

24、fifth;isB.Two fifth;areC.Two fifths;isD.Two fifths;are( )4.(臨沂中考)Excuse me,could you please tell me from here to the airport?  Sure.Its about 100 kilometres.A.how far it isB.how long it takesC.how far is itD.how long does it take( )5.(黃石中考)Jack,rememberoff the lights whenthe home. OK,I won

25、t forget,Mum.A.turning;leavingB.to turn;leaveC.turning;leftD.to turn;leaving( )6.(烏魯木齊中考)Most of the villagers took part in the Dragon Boat races9:00 a.m.the morning of June 18. A.at;inB.at;onC.on;inD.on;on( )7.(濱州中考)As a teacher,I really feel worried to see so many studentsglasses. A.wear

26、ingB.dressingC.putting onD.being in( )8.(達州中考)kind of tea would you like? I love teahas a fruity taste. A.Which;whatB.What;whichC.Whose;thatD.What;who( )9.(樂山中考改編)Do you knownext Friday,Lily? If it doesnt rain,we will.A.if we will take a field tripB.will we take a field tripC.why we w

27、ill take a field tripD.we will take a field trip( )10.(濟南中考)Eric hurt his leg playing tennis yesterday.I hope he will get better soon. A.I hope so tooB.Hope notC.I cant stand itD.You are wrong一、根據(jù)漢語完成句子。1. 你們地區(qū)人口增長得快嗎?Is the population in your area_ _?2. 我家離學校10 公里遠。My home is ten kilometers _

28、_ school.3. 我們同意他們的決定。We are _ _ with their decision.4. 我的包的款式和他的類似。The style of my bag is _ _ _ of his.5. 人類正在考慮移民去別的星球?Are humans _ _ _ to another planet ?6. 政府正在努力改善民生。The government is _ _ _ improve peoples lives.7. 我相信他會滿意的。I _ _ that he will be satisfied.二、將下列復合句改為簡單句。1). We cant do it if you

29、dont help us._2). The pianist began to learn to play the piano when he was four years old._3). Are you sure that they are interested in it?_二、單選1 -Food safety has become a social focus now.-Thats why laws are made to _ crimes on food.A recordB preventC divideD separate2. The farmers had to stop _ in

30、 the field _ the heavy rain.A working; becauseB to work; becauseC working; because ofD to work; because of3. -_ the way, do you think this job has become easier than it used to be?- To be honest, it has turned out to be more difficult _ some ways.A In; onB By; onC By; inD In; by4. Although it is _ t

31、o wear a helmet for a long time, it can protect your head.A specialB uncomfortableC crowdedD unsure5. Mrs. Yang often makes _ cakes and biscuits for kids and kids like them very much.A strangeB tastyC awfulD polluted6. -What _ of high school students go to college?-About 70%.A percentageB numberC po

32、pulationD temperature7. -What's the most popular form of _ in this city?-It's hard to say. Maybe going to the movies is.A environmentB entertainmentC experimentD experience8. The Great Green Wall can _ the wind and sand from moving to the rich land in the south of China.A preventB protectC p

33、rovideD promise9.I don't feel like _ now. I prefer to have a walk after supper.A walkB walkingC walksD to walk10. -What do you think of the environment here?-Wonderful! _ of the land covered with trees and grass.A Two fifths; isB Two fifth; isC Two fifths; areD Two fifth; are11 - Are you willing

34、 to live on Mars one day?-_. It sounds exciting, but it still worries me.A .Of course I am.B I'm not sure.C Why not?D Are you joking?12. - The documentary A Bite of China is quite popular around China recently. How do you like it?-_.A I think soB Pretty goodC Its my pleasureD All right.單項填空(C)1.

35、(安徽中考)Mum,Ive signed for the box.Whats in it?Im not sure.Itbe a present from your uncle. A.needB.mustC.mayD.will(D)2.(煙臺中考)Its dangerous to drive after drinking.Thats true.It can increase theof traffic accidents. A.advantageB.stressC.safetyD.risk(C)3.(達州中考)of the land in that towncovered with trees and grass. A.Two fifth;isB.Two fifth;areC.Two fifths;isD.Two fifths;are(A)4.(臨沂中考)Excuse me,could you please tell me from here to the airport?  Sure.Its about 100 kilometres.A.how far it isB.how long it