英语人教版八年级下册Unit 7sectionA 3a-3c.docx

Unit 7Will people have robots?Section A 知识讲解一paper1. n. “纸，纸张”，U。 “一张纸”用a piece of paper，“两张纸”用two pieces of paper。There is_ paper on the table. 桌子上有一张纸。2. paper n. “试卷”，C，有复数形式。I lost _ paper. 我丢了一份历史试卷。【例 1】 The teacher marked(批分数) the exam _ and wrote the students grades on a piece of _.Apapers；paper Bpaper；papers Cpaper；paper Dpapers；papers二提问“in时间段”时用特殊疑问词how soon 或when。How soon/When will they return? 他们多久/什么时候返回？ In three weeks.三周后。In，later和afterin 后接一段时间，不能接时间点，表示“一段时间后”，一般用于将来时。Ill clean the blackboard in a moment. 稍后我就擦黑板。after 后接表示一段时间的词语时，用于过去时；接时间点时，可与将来时态连用。He _ to play soccer after an hour. 一小时后他开始踢足球。We_ go to school after 10：30. 十点半后我们要去上学。Later副词 一段时间+later短语，用于过去时；如果单独使用，可与将来时或过去时连用。Nine months later they were discovered.九个月之后，他们被发现了。【例1】My father will be back from Shanghai _ a week. AforBafterCin Dat【例2】_ will everything be free?In 100 years.AHow long BHow farCHow soon DHow often【例3】用in和after，later填空1.My mother has gone to Hong Kong, she will be back a week.2.He went to his hometown three years.3.-How soon will the plane take off? - about five minutes.4.-They will meet us in two hours. -Thats to say, three oclock?5.His father went to Beijing a week ago. Two days ,he went to Tianjin.6.Our work will be finished _ an hour. 7.Our work will be finished _ 9：00.三fewer，less和more【例1】Well try our best to do the work with _money and _ people.Afew；little Ba few；a little Cless；fewer Dfewer；less【例2】根据汉语意思完成下句我想要更多水、更少的食物。 I would like _ water and _ food.四 Do you think there will be robots in peoples homes?1.Do you think.? 结构通常用来征求对方的意见或看法，后面接宾语从句，从句用陈述语序。其答语要去掉 do you think,再答。本句的肯定回答用Yes,there will.，否定回答用No,there wont.。 -Do you think there will be robots in school?你认为学校将来会有机器人吗？ -Yes, there will. 是的，会有。2.-Do you think there will be a football match on TV tonight. - . A.Yes,I do. B.No,I will. C.Yes, there wont. D.No,there wont.3.Therea sports meeting in our school next Monday. A.will have B.is going to have C.will be D.are going to be4.-Dale,therea dictionary and some books on your desk.Please put them away. -OK,mum.Ill do it right away.A.is B.are C.has D.have补充练习：1. There _ any rice in the bowl.A. are B. is C. isnt D. arent2.There_ not _ milk in the cup . A. are, many B. are , much C. is ,many D. is ,much3.There _ many apples on the tree last year. A. have been B. were C. are D. is4.Do you know if _ a meeting next Sunday ?A. there was going to have B. there was going to be. C .is there going to be D. there will be5. Is this the last exam we have to take ? No, but there _ another test three months later. A. will be going to B. is C. will be D. has been6. There isnt _ paper in the box. Will you go and get some for me?A. any B. some C. a D. an7. There _ a film tomorrow eveningAwill have Bhave Cis going to be DHas8.Theres going to _ in tomorrows newspapers. A. have something new B. have new something C. be something new D. be new something9. _ is there on the table?A. How many apples B. How much bread C. How much breads D. How many food10.There is some milk in the bottle, _ ? Aisnt there Barent there Cisnt it Dare there11.How many boys _ there in Class one? A. be B. is C. are D. am12. -There is no air or water on the moon. Is there? - _. A. Yes, there are B. No, there isnt C. Yes, there isnt D. No, there is13 .-What did you see in the basket then ? -There _ a bottle of orange and some oranges.A. isB. areC. wasD. were五future n将来；未来，常构成短语：1. in the future 在将来；在未来，指的是将来的某一时刻，不一定从现在开始。Who can tell what will happen in the future? 谁能说得清将来会发生什么事？2. in future 今后，指从现在开始的以后，相当于from now on。We should study hard in future. 今后我们应该努力学习。【例题】They are thinking about the life _future.Aon the Bin the Cat the Dfor the六pollute v. 污染1. People shouldnt _ water in the river. 人们不该污染河水。2. polluted adj. 被污染的，本句中就是此意。_ water is bad for our health. 污水对我们的健康有害。3. pollution n. 污染；污染物What do you think of _? 你对污染有什么看法？【例1 】Now _ is very serious. Some rivers and lakes are _.Apollution；polluteBpolluted；pollution Cpollution；polluted Dpollute；polluted【例2 】Manyoldpeoplegetsickbecauseofseriousair (pollute).【例3 】Wastewaterfromchemicalfactoriesmaybe (pollute)thesea.七plant v. 种植1. In spring，people are busy_ trees. 春天，人们忙于植树。2. plant n. C 植物Green _are good for health. 绿色植物有益于身体健康。I like putting _ in my living room. 我喜欢在客厅摆放一些植物。Do you like _？Aplanting planting Bplants planting Cplanting plants Dplant plant八play a part 参与(某事)，常用短语为：play a part in.参与到中，in是介词，后接名词、代词或动词­ing形式。Lets _the discussion. 我们参与到讨论中吧。Children are _cleaning the classroom. 孩子们正参与打扫教室。【例题】Will you play a part _ the animals? AsaveBto save Cin savingDin save九on the earth 和on earthon the earth 在地球上，用作地点状语，位于句首或句末；on earth 究竟，到底，用于疑问代词或副词后，以加强语气。十free1. “自由的”(1)Youarefreetosayanythingyouwanttoatthemeeting.会上你可以畅所欲言。(2) be free to do sth.可以自由地做某事。You are free to go or to stay.要走要留悉听尊便。Please feel free to ask questions.有问题请随便问.2.“空闲的”、“空着的”、“免费的”，没有比较等级变化。He gets a free afternoon oncea week.他每周有一个下午空闲。 Are the drinks free?这饮料是免费的吗?3. “免除”或“无的”，可以用be free of和be free from：相比之下，后者指免除或摆脱，多用来指一些不好的东西。be free from pain (disease, fear, danger, error)没有痛苦(疾病，恐惧，危险，错误)但有时两者可换用：The city is free of from thieves.这个城市没有盗贼。Section B 知识讲解一spacestation太空站 space不可数名词，太空，空间，一般情况下不与冠词连用，但如果space前面有表示太空情况的形容词（如dark,cold,airless）修饰，则可与定冠词连用。Theearthtravelsaroundthesuninspace.地球在太空中围绕太阳旋转。辨析：space,room与place space作太空讲时，是不可数名词；作空间，空地讲时，可与room互换。 room作房间讲时是可数名词；作空间，地方讲时是不可数名词，指可以容纳东西或其他目的而可占据、使用的空间。 makeroomfor.为.腾出空间 place指某一具体地点，地方，是可数名词。即学即用：（ ）1.-Thereisnotenoughforusinthelift. -Nohurry.Letswaitfornext. A. groundB. floorC. placeD. room（ ）2.Isthereanyforme?Iwantagood_. A. space, roomB. room, spaceC. place, roomD. room, place（ ）3.Thisdesktakesuptoomuch. A. placesB. roomsC. placeD. room（ ）4.Ihopetowalkintooneday. A. thespaceB. spaceC. spacesD. aspace二dangerous adj.1. 有危险的；不安全的 指对他人或物构成了危险或威胁。The tiger is very dangerous.老虎是很危险的。2. danger n. 危险，in danger意为“处于危险之中”，指自身处于危险之中。Some animals are in danger. 一些动物处于危险之中。Its _ to climb(爬) the tall tree. Be careful. AdangerBdangerous Cbusy Ddifficult三 There is/aresb./sth.doing sth.表示“有某人/某物在做某事”。There _ some boys_ in the swimming pool. 有一些男孩在游泳池里游泳。There _ a bag _on the ground. 有一个包躺在地上。There will be robots _ with us in the future. Atalk Bwill talk Ctalking Dtalked四over and over again 多次；反复地He told me to look after his dog over and over again 他再三地告诉我照顾他的小狗。I dont like to do boring exercises over and over again. 我不喜欢反复地做无聊的习题。拓展： once again 再一次 Lets do that once again.我们再做一次。【例题】Teachers shouldnt ask students to copy the words _.Its simple and boring.Aagain Bonce again Cover and over again Dagain over and over五 build vt. & vi. 1.修建, 建造They have built another space station. 他们又建了一个太空站。They will build us a new school.他们将给我们建造一所新学校。vt. & vi. 2.开发, 创建He built a school for the blind. 他创办了一所盲人学校。3.名词 n.体形, 结构 He is a man of large build. 他是个身材魁梧的人。These tall buildings are in the same build. 这些高层建筑物结构相同。六simple简单的,简朴的,单纯的This job looks very simple, it wont takes long. 工作看起来很简单， 不会花费很长时间。 I like simple but nice clothes .我喜欢朴素但漂亮的衣服。He lives a simple life. 他过着朴素的生活。 She doesnt understand you. Shes a bit simple. 她不明白你的意思。她有点笨。七believe v相信；认为有可能1. 作及物动词，之后可以接名词、代词作宾语，也可以接宾语从句。I believe that hell come here. 我认为他会来这儿。2. 若要否定believe 后所跟宾语从句的意义，则往往承前否定。这一点与think相同。I _ that he _come here. 我认为他不会来这儿。【例题】I _ believe he _ speak three languages.Adont；cant Bdo；cant Cdont；can Dam not；can八hundreds of. 许多；大量，后接名词复数。类似的还有：thousands of 成千上万的；millions of 数百万计的；billions of 十亿计的2.hundred前有基数词时，hundred不用复数形式，其后面不用of。thousand，million， billion同hundred。_ people lost their homes in the floods. 数百人在洪水中失去了家园There are _ workers in the factory. 这个工厂有八百名工人。【例题】1. There are _of students in our school but only _ of them are girls.Ahundreds；two hundredBhundred；two hundredsChundreds；two hundredsDhundred；two hundred2.Nanjing is a city with many places of interest. tourists come hereevery year.Thousand of B.Thousand C.Thousands D.Thousands of3九.be able to 能够做某事；会做某事 be able to do sth.He is able to swim.他会游泳。注意（1）be的形式（2）动词用 to do1.He _ (be) able _ (get )good grades next year.2.I _ (be) able to _ (go) climbing with my friends last Sunday.3.She _ (be) able to play the piano well.4. They _ (be) able to visit Shang hai last year.be able to 和can二者都可以表示“能；会”。 两者后跟原形动词。在表示现在和过去“力所能及”时，二者可以互换。I can/am able to speak a little English now. 我现在会说一些英语。He was able to/could run fast when he was eight. 他八岁时就能跑得很快了。但它们也有一些区别：be able to可用于各种时态；可用于不定式的后面；不能用于表示猜测的句中。be able to 可与情态动词连用，can却不能。can只用于一般现在时和一般过去时。不能用于不定式的后面。表示猜测时，只能用can。两年后你将能够学另一门外语。You _ learn another foreign language in two years.我希望能和你一起去钓鱼。 I hope to _go fishing with you.现在金先生不可能在家。Mr. King _ be at home now.我一定能说好英语。 I must _speak English well.【例1】Take it easy. I am sure you _ work it out soon.Awill can Bwill be able to Cbe able to Dcould【例2】It _ be our English teacher，because he is in Shanghai now.Acan not Bcould not Cisnt able to Dis able to not十disagree v. 不同意；持不同意见；有分歧，其反义词是agree。1. disagree with sb.不同意某人的看法观点He disagrees with me and Im very angry. 他不同意我，我很生气。Most of students disagree with him. 大多数学生都不同意他的观点。2. disagree to do sth. 不同意做某事My mother disagreed to go to Beijing. 我妈妈不同意去北京。disagreement n. 分歧；不同观点，反义词是agreement。We students often have some disagreements. 我们学生经常有分歧。【例】1.At this point，Bob and Tom have some _.But who do you _ with?Adisagree；disagreementsBdisagreements；disagreeCagreements；disagreeDdisagreement；disagree2. I think that China will win the World Cup one Day. I_. The Chinese team is becoming stronger and stronger.A. agree B. Disagree C. dont agree D. think十一fall 1. v. 倒塌；跌倒；掉落，过去式为：fell。 Rain is falling.雨正在下。A. fall down 突然倒下；跌倒；倒塌An earthquake happened and many houses fell down. 地震发生了，许多房屋都倒塌了。 B . fall off:= fall down from从上掉下来Mary fell off the bike last night.The book fell off the shelf. 这本书从架子上掉了下来。21世纪教育网版权所有C .fall behind:落在的后面 Work harder,or you will fall behind others.2. 另一种是作为系动词，与形容词连用，表示进入某种状态，如：fall asleep 入睡（进入睡眠的状态）3. Fall=autumn n. 秋天 Its cool in fall.秋天很凉爽。1. Last night his house _ after a heavy rain. A. fell down Bfalls down Cfelt down Dfeels down 2.The boy _the bike and hurt his leg yesterday. A. fall down B. fell off C. falls off D. will fall down十二look for，find，find out(1)look for意为“寻找”，强调“寻找”的过程。(2)find指“偶然发现”或“几乎无困难地找到”。强调“寻找”的结果。(3)find out指通过观察、探索而发现事实的真相。一般指主观有意识的动作。The police _ who was the criminal. 警察查明了谁是罪犯。The police _the thief everywhere，but they didnt _ him. 警察到处找那个小偷，但没找到。【例】Lily _ her shoes，but she didnt _ them.Alooked for；find Bfound；looked for Clooked for；find out Dfound out；looked for十三possible adj.可能存在或发生的；可能的Its possible for an eightmonth baby to walk对于一个八个月的婴儿来说，会走路是可能的。impossible adj. 不可能的，是possible的反义词。Nothing is impossible if you try your best. 如果你尽最大努力，没有事情是不可能的。【例】The Internet makes it _ for us to send information to each other in a few seconds.Apossible Bnecessary Cimpossible Dimportant十四probably adv.很可能；大概可放于句首，也可放在助动词、系动词、情态动词之后或实义动词之前。Probably he has come.他可能已经来了。Itll probably snow.也许要下雪。probably，maybe，perhaps，may bably 也许；可能，表示把握性很大的事情。maybe或许；大概，把握性比pro