2019-2020学年北师大版英语必修2课件：Unit 4 Period Two

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1、,PART 1,基础自测,PART 2,互动探究,PART 3,达标检测,Period Two Warm-up & Lesson 1 Tomorrows WorldLanguage Points,PART 1,基础自测,默写练习 (一),.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. 2.artificial adj. 3.climate n. 4.global adj. 5.virtual adj. 6.virus n. 7.pessimistic adj. 8.hacker n. 9.terrorist n. 10.destruction

2、 n.,查看答案,_ _ _ _ _ _ _ _ _ _,网络空间,人造的,气候,全球的，全世界的,虚拟的,病毒,悲观的，厌世的,电脑黑客,恐怖分子,破坏，毁灭,.写出下列汉语对应的英语单词(共14小题；每小题2分，满分28分) 11. n. 洪水，水灾 vt.& vi. 淹没 12. n. 真实，现实 adj. 真实的 adv. 真实地 13. vt. 影响；使感动 14. adv. 快，迅速地 adj. 迅速的 15. n. 增长；生长 vt.& vi. 生长；种植,flood,reality,real,really,affect,rapidly,rapid,查看答案,growth,gro

3、w,16. n. 犯罪；罪行 n. 罪犯，犯人 17. n.& vt. 攻击，进攻 18. n. 混乱，无秩序 19. vt. (汽车、飞机等)撞毁；坠毁 20. adj. 乐观的 adj. 悲观的；厌世的 21. n. 娱乐；款待 v. 款待；使感兴趣 22. vi. 消失 23. vt.& n. 伤害，损害 24. adj. 明显的，显而易见的,crime,criminal,attack,chaos,crash,查看答案,optimistic,pessimistic,entertainment,entertain,disappear,harm,obvious,.写出下列短语或短语对应的汉语

4、意思(共10小题；每小题2.5分，满分25分) 25. 组成；编造；弥补；化妆；和好 26. (愿望、梦想等)实现 27. 找出，发现，查明 28. 对悲观/乐观 29. 采取行动 30.in the future 31.get into 32.all sorts of 33.as if/though 34.in chaos,make up,come true,find out,be pessimistic/optimistic about.,take action,查看答案,_ _ _ _ _,在将来,进入；陷入；染上(坏习惯),各种各样的,好像；似乎,混乱,.完成句子(共4小题；每小题8分

5、，满分32分) 35.In the last thirty years，the Internet . 三十年来，因特网迅猛发展。 36.“ 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。” 37.Some experts see our future in virtual realitythe use of computers with sounds and pictures that make you feel you are in a real situation. 一

6、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 in a virtual world. 我看到人们正在虚拟世界里生活和工作。,has grown rapidly,it is clear that,as if/though,查看答案,living and working,PART 2,互动探究,探究重点 互动撞击思维,The movies that make up 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。,1,重点词汇,一词多义 写出下列句子中ma

7、ke up的汉语意思 (1)Women always spend some time in making themselves up before going out. _ (2)Our teacher asked us to make up some sentences using the given words._ (3)The couple quarreled with each other but soon made up. _, make up组成，构成；编造；弥补；化妆；和好,查看答案,化妆,编造,和好,make up for弥补；补偿make up ones mind下定决心 b

8、e made up of由组成(构成),查看答案,(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 ecosystem very complex food webs. 海洋生态系统是由非常复杂的食

9、物网组成的。,is made up of, come true (愿望、梦想等)实现,2,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 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，否则要用realize或achieve。sth. come truesth. b

10、e 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 ? 这件事是怎么发生的？ (3)When will her new book ? 她的新书什么时候出版？ (4)I cant any good ideas right now. 我现在想不出什么好主意。,come about,come out,查看答案,come up

11、 with,句型转换 (5)Her hope of living to 100 wasnt realized. Her hope of living to 100 .,查看答案,didnt come true, harm vt.& n.伤害，损害,3,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,do sb. /sth. harmdo harm to sb. /sth. 对有害；有害于Theres no harm in doing sth. 不妨做某事 ha

12、rmful 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 your health.(harm v.) Smoking your health.(harm n.) Smoking your health.(harmful),harms,查看答案,does harm to,is harmful to, find out找出，发现，查明,4

13、,Peter Taylor finds out 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。,易混辨析 find out，find find 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 a wallet when he crossed the street. (2)Scientists are tryin

14、g to whether life of some kind exists on Mars. (3)I have that the best way to give advice to children is to 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.,found,查看答案,find out,found,find out, out, affect v

15、t.影响；使感动,查看答案,(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 the sad story. 她被那个悲伤的故事深深打动了。 (7)After the medicine ，I was a little sleepy. 药见效后，我有点困。,was deeply affected by,effect n.影响，效果 tak

16、e 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,took effect,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。, attack vt.& n.攻击，袭击；抨击，责难；(疾病)侵袭,5,In the future，terrorists may “attack” the worl

17、ds computers，cause chaos，and make planes and trains crash.将来，恐怖分子可能会“攻击”全世界的电脑，制造混乱，引发飞机坠毁和火车相撞。,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 (atta

18、ck).(2017全国) 袭击者受到了袭击。 (3)He was arrested for attacking his brother a knife. 他因用刀袭击他哥哥而被捕。 (4)Newspapers attacked the president 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 our airport last night.,attacked,with,查看答案,for,made an attack on, obvious

19、 adj.明显的，显而易见的,6,It is obvious that this destruction will become more dangerous in the future.很明显这种破坏在将来会变得更加危险。,(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

20、的快乐。 (2)It was obvious everyone he was lying. 每个人都明白他在撒谎。 (3) (obvious) youre suffering from jet lag. 很显然你正在遭受时差反应的折磨。,to that,Obviously,查看答案,In the last thirty years，the Internet has grown rapidly.三十年来，因特网迅猛发展。,1,经典句式,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，

21、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 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 (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 (receive) eleven Christmas cards

22、by now. 到目前为止，我已收到了十一张圣诞卡片。,hasnt been heard,have received,查看答案,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.(2)Itbe过去分词that从句,2,.“it is clear that we are going to see a huge growth in shopping on the Inter

23、net.”“显然，我们将会看到网上购物的巨大增长。”,for sb. /of sb. to do sth. doing sth. that从句,(1)It is clear that “ Where Are We 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 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

24、is (know) to all that Taiwan belongs to China. 众所周知，台湾属于中国。,that,known,查看答案,3,Some experts see our future in virtual realitythe 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

25、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。,查看答案,(1)When fat a

26、nd 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 opened his mouth as if (say) something. 他张开嘴好像要说什么。 (3)He was shaking with fright as if he (see) a ghost. 他正吓得发抖，好像见了鬼似的。 (4)I felt as if my heart (burst) with joy. 我感觉我的心高兴得就要爆了。,h

27、ad seen,to say,would burst,PART 3,达标检测,当堂检测 基础达标演练,1.The room was decorated with flowers. 2.But once on stage，every word (消失) from my head. 3.After the failure of electricity supplies the city was in . 4.Lack of water will stunt(妨碍) the plants . 5.The court case will do serious (损害) to my business.

28、6.The show has good (娱乐) value. 7.Was the south of the country worst by the flood? 8.The answer is (显然) wrong. 9.A truck went out of control and (撞上) into the back of a bus. 10.The soldiers began to the enemy at dawn.,.单词拼写,查看答案,artifical,disappeared,chaos,growth,harm,entertainment,affected,obviousl

29、y,crashed,attack,11.In the past few years，I found that great changes 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. they will win the game. 显然他们将要赢得比赛。 13.As long as we work hard，Im sure that our dreams . 只要我们努力工作，我相信我们的梦想就会实现。 14. someone is knocking at the door. 听起来好像有人正在敲门。,.完成句子,have taken place,It is obvious that,will come true,查看答案,It sounds as if/though,15. 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 the problem. 让我们合作找出问题的所在。,查看答案,He made up his mind to find out,to find out,