2019-2020学年北师大版英语必修2学案含解析：Unit 4 Period Two

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1、Period Two Warm-up & Lesson 1 Tomorrows WorldLanguage Points.写出下列单词的汉语意思(共 10 小题；每小题 1.5 分，满分 15 分)1.cyberspace n.网络空间2.artificial adj.人造的3.climate n.气候4.global adj.全球的，全世界的5.virtual adj.虚拟的6.virus n.病毒7.pessimistic adj.悲观的，厌世的8.hacker n.电脑黑客9.terrorist n.恐怖分子10.destruction n.破坏，毁灭.写出下列汉语对应的英语单词(共 1

2、4 小题；每小题 2 分，满分 28 分)11.flood n.洪水，水灾 vt.& vi.淹没12.reality n.真实，现实real adj .真实的really adv.真实地13.affect vt.影响；使感动14.rapidly adv.快，迅速地rapid adj.迅速的15.growth n.增长；生长grow vt .& vi.生长；种植16.crime n.犯罪；罪行criminal n.罪犯，犯人17.attack n.& vt.攻击，进攻18.chaos n.混乱，无秩序19.crash vt.(汽车、飞机等)撞毁；坠毁20.optimistic adj.乐观的pe

3、ssimistic adj.悲观的；厌世的21.entertainment n.娱乐；款待entertain v.款待；使感兴趣22.disappear vi.消失23.harm vt.& n.伤害，损害24.obvious adj.明显的，显而易见的.写出下列短语或短语对应的汉语意思(共 10 小题；每小题 2.5 分，满分 25 分)25.make up 组成；编造；弥补；化妆；和好e true(愿望、梦想等)实现27.find out 找出，发现，查明28.be pessimistic/optimistic about.对悲观/乐观29.take action 采取行动30.in the

4、 future 在将来31.get into 进入；陷入；染上(坏习惯)32.all sorts of 各种各样的33.as if/though 好像；似乎34.in chaos 混乱.完成句子(共 4 小题；每小题 8 分，满分 32 分)35.In the last thirty years，the Internet has grown rapidly.三十年来，因特网迅猛发展。36.“it is clear that we are going to see a huge growth in shopping on the Internet.”“显然，我们将会看到网上购物的巨大增长。 ”3

5、7.Some experts see our future in virtual realitythe use of computers with sounds and pictures that make you feel as if/though you are in a real situation.一些专家预见了虚拟现实的未来计算机通过声音和图像模拟现实，以使人感到仿佛置身于一个真实的空间中。38.I see people living and working in a virtual world.我看到人们正在虚拟世界里生活和工作。重点词汇The movies that make u

6、p Star Wars are about wars in space.组成星球大战系列的电影都是关于太空战争的。?make up 组成，构成；编造；弥补；化妆；和好一词多义 写出下列句子中 make up 的汉语意思(1)Women always spend some time in making themselves up before going out.化妆(2)Our teacher asked us to make up some sentences using the given words.编造(3)The couple quarreled with each other bu

7、t soon made up.和好make up for 弥补；补偿make up ones mind 下定决心be made up of 由组成(构成)(4)As a result，people will eat more food to try to make up for that something missing.(2017全国)结果，人们会吃更多食物来补足缺失的东西。(5)A month before the marathon，the author made up his mind to run. (2018北京)马拉松比赛前的一个月，作者下定决心去跑步。(6)The ocean

8、ecosystem is made up of very complex food webs.海洋生态系统是由非常复杂的食物网组成的。Which of the predictions in them do you think will come true in your lifetime？其中的预言有哪些你认为会在你的有生之年变成现实？come true (愿望、梦想等)实现come about 产生，发生 无被动语态 come across 偶然 遇见；被理解come out 出版；出现 无被动语态come up with 提出，想出注意：come true 是系表结构，不能用于被动语态，否

9、则要用 realize 或 achieve。sth. come truesth. be realized/achieved，表示“某事被实现了” 。(1)It was when I got back to my apartment that I first came across my new neighbors. (2017天津)正是我回到公寓时，我第一次偶然遇见了我的新邻居们。(2)How did it come about?这件事是怎么发生的？(3)When will her new book come out?她的新书什么时候出版？(4)I cant come up with any

10、good ideas right now.我现在想不出什么好主意。句型转换(5)Her hope of living to 100 wasnt realized.Her hope of living to 100 didnt come true.someone who does terrible things to harm countries，governments and people做可怕的事来危害国家、政府和人民的人harm vt.& n.伤害，损害do sb. /sth. harmdo harm to sb. /sth. 对有害；有害于Theres no harm in doing

11、sth. 不妨做某事harmful adj.有害的；伤害的be harmful to.对有害(1)It wouldnt do her any harm to work a bit harder.工作再加把劲对她没有坏处。(2)Theres no harm in trying.试试也无妨。一句多译(3)吸烟有害健康。Smoking harms your health.(harm v.)Smoking does harm to your health.(harm n.)Smoking is harmful to your health.(harmful)Peter Taylor finds out

12、 how computers and the Internet are going to affect our lives.彼得 泰勒发现了计算机和互联网将如何影响我们的生活。?find out 找出，发现，查明易混辨析 find out，findfind out 指通过研究、观察、调查找出原因，查明事实，发现秘密、错误等，强调主观有意识的动作。find 指偶然或经过一番经历而发现，强调寻找的结果，是终止性动词。选词填空 find out，find(1)He found a wallet when he crossed the street.(2)Scientists are trying t

13、o find out whether life of some kind exists on Mars.(3)I have found that the best way to give advice to children is to find out what they want to do and then advise them to do it.单句改错(4)He took a quick look at the back of the book to find the answers to the questions. out?affect vt.影响；使感动effect n.影响

14、，效果take effect 开始起作用，见效； 法律、规则或制度 生效have an effect on 对有影响，对起作用(5)From the experience I learned a lot about how the attitude of the leader can affect the members of a team.(2018天津)根据经验，我学到了很多关于领导者的态度如何影响团队成员的知识。(6)She was deeply affected by the sad story.她被那个悲伤的故事深深打动了。(7)After the medicine took eff

15、ect，I was a little sleepy.药见效后，我有点困。语境串记 Drinking too much has a bad effect on your health，so give up drinking to prevent alcohol from affecting your body.饮酒太多对健康有害，所以你要戒酒以防止酒精影响你的身体。In the future， terrorists may “attack” the worlds computers，cause chaos，and make planes and trains crash.将来，恐怖分子可能会“攻

16、击”全世界的电脑，制造混乱，引发飞机坠毁和火车相撞。?attack vt.& n.攻击，袭击；抨击，责难； (疾病)侵袭attack sb. with sth. 用某物袭击某人attack sb. for sth. 因某事抨击某人make an attack on.对发起攻击 ,come/be under attack 遭到袭击(1)What does a plant do when it is under attack？(2017全国)遭到攻击时植物会做什么？(2)The attackers get attacked(attack).(2017全国)袭击者受到了袭击。(3)He was ar

17、rested for attacking his brother with a knife.他因用刀袭击他哥哥而被捕。(4)Newspapers attacked the president for failing to cut taxes.报纸因该总统未能降税而抨击他。句型转换(5)The enemy attacked our airport last night.The enemy made an attack on our airport last night.It is obvious that this destruction will become more dangerous i

18、n the future.很明显这种破坏在将来会变得更加危险。?obvious adj.明显的，显而易见的(1)be obvious to sb. 对某人来说显而易见It is/was obvious (to sb. ) that.(对某人来说)很明显(2)obviously adv.显然地，明显地(1)He tried to hide his obvious pleasure from the music teacher.(2017江苏)他试图向音乐老师掩饰自己明显的快乐。(2)It was obvious to everyone that he was lying.每个人都明白他在撒谎。(

19、3)Obviously(obvious) youre suffering from jet lag.很显然你正在遭受时差反应的折磨。经典句式In the last thirty years， the Internet has grown rapidly.三 十 年 来 ， 因 特 网 迅 猛 发 展 。时间状语“in the last/past时间段”通常与现在完成时连用。另外 recently，lately，so far，until now，up to now，by now ， ever since 等也是现在完成时的标志性时间状语。(1)Chinas high-speed railways

20、 have grown from 9,000 to 25,000 kilometers in the past few years.(2018北京)过去几年，中国的高速铁路已经从 9 000 公里增长到 25 000 公里。(2)Her sister left home in 1998，and hasnt been heard(not，hear) ever since.她姐姐在 1998 年离开了家，从此再也没有了她的消息。(3)I have received(receive) eleven Christmas cards by now.到目前为止，我已收到了十一张圣诞卡片。.“it is c

21、lear that we are going to see a huge growth in shopping on the Internet.”“显然，我们将会看到网上购物的巨大增长。 ”此句中 it 作形式主语，真正的主语是 that 引导的主语从句。句型 “It is adj.that. ”常用来表达说话者的观点、态度，常用的形容词有natural，true ，strange，obvious ，surprising 等。it 作形式主语的几种句型：(1)Itbeadj./n.Error!(2)Itbe过去分词that 从句(1)It is clear that “ Where Are W

22、e Going，Dad？”is popular with the young people.很明显， 爸爸去哪儿很受年轻人的欢迎。(2)Its no use crying over spilt milk.谚语 覆水难收。(3)Its clear that he was suffering great pain when he talked.显然，他说话的时候遭受着巨大的痛苦。(4)It is known(know) to all that Taiwan belongs to China.众所周知，台湾属于中国。Some experts see our future in virtual rea

23、litythe use of computers with sounds and pictures that make you feel as if you are in a real situation.一些专家预见了虚拟现实的未来计算机通过声音和图像模拟现实，以使人感到仿佛置身于一个真实的空间中。as if(as though)意为“好像；似乎” ，可用在be，look，seem，sound，smell，taste，feel 等系动词的后面引导表语从句。as if/though 从句中的省略：如果 as if/though 引导的方式状语从句为主系表结构且其主语与主句主语一致，则可省略其中

24、的主语和系动词。若 as if/though 所引导的从句表达的情况不是事实，而是主观的想象或夸大的比喻时，从句通常用虚拟语气，即用一般过去时或过去完成时，分别表示对现在或过去的虚拟，用“would/could/might动词原形”表示对将来的虚拟。如果 as if/though 引导的从句所表示的内容与事实相符，则使用陈述语气。(1)When fat and salt are removed from food，the food tastes as if it is missing something.(2017全国)当把脂肪和盐从食物中去除时，食物尝起来就好像缺了什么。(2)He open

25、ed his mouth as if to say(say) something.他张开嘴好像要说什么。 (3)He was shaking with fright as if he had seen(see) a ghost.他正吓得发抖，好像见了鬼似的。(4)I felt as if my heart would burst(burst) with joy.我感觉我的心高兴得就要爆了。.单词拼写1.The room was decorated with artifical flowers.2.But once on stage，every word disappeared(消失) from

26、 my head.3.After the failure of electricity supplies the city was in chaos.4.Lack of water will stunt(妨碍) the plants growth .5.The court case will do serious harm(损害) to my business.6.The show has good entertainment(娱乐) value.7.Was the south of the country worst affected by the flood?8.The answer is

27、 obviously(显然) wrong.9.A truck went out of control and crashed(撞上) into the back of a bus.10.The soldiers began to attack the enemy at dawn.完成句子11.In the past few years，I found that great changes have taken place in my hometown.在过去的几年里，我发现我的家乡发生了巨大的变化。12.It is obvious that they will win the game.显然他

28、们将要赢得比赛。13.As long as we work hard，I m sure that our dreams will come true.只要我们努力工作，我相信我们的梦想就会实现。14.It sounds as if/though someone is knocking at the door.听起来好像有人正在敲门。15.He made up his mind to find out who helped the old man.他下定决心去查明谁帮助了这位老人。16.Lets work in a team to find out the problem.让我们合作找出问题的所

29、在。基础巩固.单句语法填空1.Clubs and other places of entertainment(entertain) here must close by 3 am.2.With the rapid growth(grow) of population，the lack of housing is becoming more evident than ever before. 3.The whole country is still in chaos several years after the war.4.The countrys economy has been devel

30、oping rapidly(rapid) in the past ten years.5.It is important that you should arrive on time.6.They do no harm to anyone and it is wrong to hurt them.7.He is very optimistic about his chance of winning a scholarship this semester.8.She is obviously(obvious) worried about something.9.Jack wasnt saying

31、 anything，but the teacher smiled at him as if he had done(do) something very clever.10.I dont know when we make an attack to the enemy.选词填空take action， have a n .effect on， make up， find out， come true11.How many countries make up the Common Market(欧洲共同市场)?12.It is time to take action to prevent the

32、 environment from being polluted.13.Please find out a good and simple way to solve the problem.14.His words often have an immediate effect on my thinking.15.Her wish to be a doctor has come true.单句改错(每小题仅有 1 处错误 )16.She offered help her mother do some housework. to17.Dr Steward，an expert the environ

33、ment will give us a speech.abouton18.The Earth is going to become more and more .crowdingcrowded19.It is obvious that we are going to see huge growth in e-shopping. a20.Tourism may not affect the buildings of cities but its on wildlife is obvious.affecteffect能力提升.阅读理解They like using the Internet.The

34、y have lots of pocket money to spend.And they spend a higher proportion of it online than the rest of us.Teenagers are just the sort of people an online seller is interested in，and the things they want to buygames，CDs and clothingare easily sold on the Web.But paying online is a tricky business for

35、consumers who are too young to own credit cards.Most have to use a parents card.They want a facility that allows them to spend money.That may come sooner than they think: new ways to take pocket money into cyber(网络的) space are coming out rapidly on both sides of the Atlantic.If successful，these prod

36、ucts can stimulate online sales.In general，teenagers spend huge amounts：$53bn (billion) in the US last year and 20bn annually in the UK.Most teenagers have access to the Internet at home or at school88 percent in the US,69 percent in the UK.According to the Jupiter Research，one in eight of those wit

37、h Internet access has bought something onlinemainly CDs and books.In most cases，parents pay for these purchases with credit cards，an arrangement that is often unsatisfactory for them and their children.Pressing parents to spend online is less productive than pressing on the high street.They are more

38、 likely to ask “Why？” if you ask to spend some money online.One way to help teenagers change notes and coins into cybercash is through prepaid cards such as Internet Cash in the US and Smart cards in the UK.Similar to those for pay-as-you-go mobile telephones，they are sold in amounts such as 20 or $

39、50 with a concealed 14-digit number that can be used to load the cash into an online account.语篇解读 现在很多英美青少年用零花钱网购，买 CD 或衣服等，但让父母在网上支付就没有让父母在街上付钱那么容易了，因此英美等国家发售了预付卡。21.What does the underlined word “They” in Paragraph 1 refer to?A.Sellers. B.Buyers.C.Teenagers. D.Parents.答案 C解析 细节理解题。从第一段“They like u

40、sing the Internet.Teenagers are just the sort of people.”可知，此处 They 指代下文的 Teenagers，故选 C。22.According to the passage，which of the following statements is TRUE?A.More than half of the teenagers in the US and the UK have Internet access.B.Teenagers pay for goods online with their own credit cards.C.Mo

41、st teenagers in the US and the UK have bought something online.D.Teenagers found it easier to persuade parents to buy online than in a shop.答案 A解析 推理判断题。从第四段中的“Most teenagers have access to the Internet.88 percent in the US,69 percent in the UK.”可知，在英国和美国半数以上的青少年可以接触到网络，故选 A。23.A new way to help tee

42、nagers shop online is to use .A.a new machineB.special coins and notesC.prepaid cardsD.pay-as-you-go mobile phones答案 C解析 细节理解题。从最后一段开头“One way to help.is through prepaid cards”可知，当前能帮助青少年网络购物的一个方法是用预付卡，故选 C。24.What is the passage mainly about?A.Online shopping traps.B.Internet users in the US and th

43、e UK.C.New credit cards for parents.D.The arrival of cyber pocket money.答案 D解析 主旨大意题。从全文可知，本文主要讨论青少年上网购物的现象，以及就此所采用的来保障他们的网络零花钱的新方法，故 D 项能较好地概括大意。.完形填空I was wandering around to look for a cafe where I could sit and have something to drink on a cold day.When I saw one，I walked in，sat at a round table

44、 and asked for a coffee.While I was waiting for my 25 ，I noticed that there were other people in the cafe， 26 I sensed loneliness.I saw their 27 ，but I couldnt feel their souls.That was because their souls 28 to the “Net”，instead of them.I stood up and walked 29 the tables.I asked a man a couple of

45、times what his name was.“Im Steve， ” he 30 answered.“I cant talk with you Im 31 ， ” he said.I was amazed to find he was 32 online with somebody and，at the same time，he was 33 a computer gameWinner winner，chicken dinner.I tried again to 34 with him，but not a 35 came out of his mouth.I 36 his shoulder

46、，but there was no reaction.I was getting 37 .I put my hand in front of the monitor，and he started to 38 ， “Leave me alone！ ”I was 39 .I wanted to look and see if all those people in the cafe were looking at me，so I 40 my head，but there was nobody interested in what was happening. 41 was using the co

47、mputers.At that moment，I 42 all of the people there were more interested in having the relationship with the computer， 43 Steve.I wouldnt want to imagine the future of the human beings if they 44 sharing their lives with machines instead of with people.语篇解读 本文主要讲了作者去咖啡馆喝咖啡，虽然有一些其他的顾客，但是他们只顾玩电脑，不与人交流

48、，因此，作者感觉到很孤单。同时，作者对这样的情况表示担忧。25.A.tea B.friendC.beer D.coffee答案 D解析 由上文中的“When I saw one，I walked in，sat at a round table and asked for a coffee.”可知，我在等咖啡。 tea 茶；friend 朋友；beer 啤酒；coffee 咖啡。26.A.but B.orC.and D.so答案 A解析 由上文可知，虽然咖啡店里还有其他人，但是我仍然感觉很孤单。but 但是；or 或者；and 并且；so 所以。27.A.thoughts B.spiritsC.bodies D.minds答案 C解析 由空后的“.but I couldnt feel their souls.”可知，我只能看到他们的身体，却感受不到他们的灵魂。thought 想法；spirit 精神；body 身体；mind 思想。28.A.belonged B.attendedC.devoted D.opened答案 A解析 由下文中的“online with somebody and.he was a computer gameWinner winner，chicken dinner.”可知，那是因为他们的精神属于 “网络” 。belong 属于