2021新版人教版选修一英语unit 2 教学·知识细解码 ppt课件.ppt

1、返返 首首 页页 UNIT 2 LOOKING INTO THE FUTURE 教学教学知识细解码知识细解码 1 返返 首首 页页 1 vt.确定；找到；显示identity n本身；本体；身 份 2. adj.遥远的；远处的；疏远的；心不在焉的distance n远方；距离 3. adj.无意识的；自动的automatically adv.无意识 地；自动地 4. vi.& vt.(使)合并；成为一体 adj. 各 部分密切协调的；综合的 identify distant automatic integrate integrated 2 返返 首首 页页 5. sense n感官；感觉；知觉

2、 n. 传感器；敏感元件 6. prefer v偏爱 n爱好；偏爱 7. adj.不断的；重复的；不变的 n常数；常量 constantly adv.不断地 8. normal adj.正常的； 常态的； 普通的 adj.不正常的； 反常的 sensor preference constant abnormal 3 返返 首首 页页 9. warn v警告；告诫；提醒 n. 警告；警示；先兆 10. n电线；金属丝(或线) vt. 接通电源；将连接到 n. 电线线路；线路系统 11. innovate vi.改革；创新 n创新；创造；改革； 革新 warning wire wiring inn

3、ovation 4 返返 首首 页页 1switch vt.转换；交换 vt. & vi.(使)改变；转变 n开关；转 换器；改变 Where is the light switch in the room？ _ His friends were surprised at his switch from newspaper owner to farmer. _ After ten minutes，listeners and speakers switch roles. _ n.开关 n.改变 vt.转换；交换 5 返返 首首 页页 2secure adj.安全的；安心的；可靠的；牢固的 vt

4、获得；拴牢； 保护 Foreign tourists feel happily secure while visiting the city. _ Secure the prisoner so that he wont escape again. _ By strengthening the river banks, the city secured itself against flood. _ adj.安全的；安心的 vt.拴牢 vt.保护 6 返返 首首 页页 3routine n常规；正常顺序；惯例；通常的做法 adj.常规的； 日常的 Every newcomer must star

5、t from routine work. _ I settled down into a routine of work and sleep. _ The security men changed their usual routine and collected the money at a different time. _ adj.常规的；日常的 n.常规 n.惯例；通常的做法 7 返返 首首 页页 4instant n瞬间；片刻 adj.立即的；速食的；速溶的 Id like a cup of instant coffee. _ For a brief instant, I thoug

6、ht she was going to fall._ I hope to receive an instant reply. _ adj.速溶的 n.瞬间；片刻 adj.立即的 8 返返 首首 页页 5potential adj. 可能的；潜在的 n潜力；可能性 Its important to draw out a childs potential abilities._ This new invention has an enormous sales potential. _ We realize that any code change like this has the potenti

7、al to cause some issues. _ adj.潜在的 n. 潜力 n.可能性 9 返返 首首 页页 Words And Phrases 知识要点1 persuade vt.说服；劝说；使相信 (教材 P14)For example, the phrase in my opinion tells us that the passage is likely meant to persuade. 例如， “在我看来”这个短语告诉我们，这篇文章可能是为了说 服。 10 返返 首首 页页 例 1 It is easy to persuade oneself. 说服自己往往很容易。 例 2

8、 We persuaded Harry that he was wrong. 我们使亨利相信是他错了。 翻译 我将说服他把药吃下去。 I shall persuade him to take the medicine 11 返返 首首 页页 知识拓展 persuade sb.to do sth.persuade sb.into doing sth. 说服某人做某事 persuade sb.not to do sth.persuade sb.out of (doing) sth. 说服某人不做某事 persuade sb.of sth./ persuade sb.that. 使某人相信 12 返

9、返 首首 页页 即学即练单句语法填空/完成句子 He tried to persuade his son (study) hard, but failed. We finally persuaded Ben the wisdom of this decision. I managed to persuade my classmates into (accept) my idea. 我们说服了他不把钱借给那个人。 We his money to that man. to study of accepting persuaded him not to lend/out of lending 13

10、返返 首首 页页 名师点津 persuade 表示“说服”，强调说服的结果；advise 表示“劝说， 建议”，对方不一定接受，强调动作。“劝说但不一定有效果”应表 述为：advise sb.to do sth.或 try to persuade sb.to do sth. The comrade advised Dr.Bethune to move immediately to a safe place, but he was not persuaded. 那位同志劝白求恩大夫立即转移到安全的地方，但是没能说服 他。 14 返返 首首 页页 小片段填空 At first she others

11、 to do the film, but finally she by her friends to do it herself.一开始她试图说服 别人来拍这个电影，但最后她被她的朋友说服，自己来拍这个电影。 was persuaded tried to persuade 15 返返 首首 页页 知识要点2 switch vt.转换； 交换 vt.&vi.(使)改变； 转变 n开 关；转换器；改变 (教材 P14)Or, have you ever forgotten to switch off the TV or computer? 或者，你曾经忘记关掉电视或电脑吗？ 16 返返 首首 页页

12、 例 1 Where is the light switch? 电灯开关在哪儿？ 例 2 We had to make a switch in our arrangements. 我们不得不对我们的安排做些变动。 翻译 遥控器让你在不同电视频道之间轻松地转换。 The remote control allows you to switch easily between TV channels. 17 返返 首首 页页 知识拓展 (1)make a switch 改变 (2)switch off 关(电灯、机器等)；切断(电流、气 体等) switch on 开(电灯、机器等)；打开(开关)；接

13、 通(电流等) switch (from.) to. (从)转变成，(从)转换到 switch sth.with sb. 和某人交换某物 18 返返 首首 页页 即学即练单句语法填空/完成句子 She switched the lamp because it was dark. He was so stubborn that he refused to make switch. 我们问他们是否愿意和我们对换座位。 We asked them if they would 你出门前要把电视关掉。 before you go out. on a switch places with us Switc

14、h off the TV 19 返返 首首 页页 小片段填空 When the water is stopped, a blower is automatically , and it blows out hot air to dry the clothes. 水停后，吹风机开关自动打开，并吹出热风吹干衣服。 switch switched on 20 返返 首首 页页 知识要点3 preference n爱好；偏爱 (教材 P14)Your home will also learn your daily routine and preferences, so everything will

15、be ready for you when you get home each evening. 你未来的家也会了解你的日常习惯和偏好， 所以当你每天晚上回 家时，一切都会为你准备好。 21 返返 首首 页页 例 1 Its a matter of personal preference. 这是个人的偏爱问题。 例 2 She was chosen in preference to her sister. 她被选中了，而不是她妹妹。 翻译 通过数学与化学考试的学生优先考虑。 Preference is given to students who have passed maths and ch

16、emistry. 22 返返 首首 页页 知识拓展 (1)have a preference for 偏爱 give preference to 给以优惠、优待 in preference to 优先于 (2)prefer vt. 更喜欢 23 返返 首首 页页 即学即练单句语法填空/完成句子 In considering people for the job, we give (prefer) to those with some experience. She has a preference blue, while I like red better. 她愿意学小提琴而不是钢琴。 She

17、 chose to learn the violin preference for in preference to the piano 24 返返 首首 页页 小片段填空 Although a few clients contact me by telephone, most to deal with me through email, which I 虽然有 几个客户会用电话联系我， 但大多数客户还是选择通过 e- mail 和我交 流，email 是我偏爱的交流途径。 prefer have a preference for 25 返返 首首 页页 知识要点4 instant n瞬间；片

18、刻 adj.立即的；速食的；速溶 的 (教材 P14)Your lights will come on the instant you enter the door along with your favourite music or TV programmes, and you will find your dinner already prepared for you. 你一进家门，灯就会亮起，还有你最喜欢的音乐或电视节目(会 自动播放)，而且你会发现晚餐已为你准备好了。 26 返返 首首 页页 例 1 I took an instant dislike to him. 我一见到他就不喜欢

19、他。 例 2 Id like a cup of instant coffee. 我要杯速溶咖啡。 翻译 我一听到此消息, 便通知你了。 I sent you the news the instant (that) I heard it 27 返返 首首 页页 知识拓展 (1)in an instant(immediately) 立刻 the instant (that)as soon as 一就 (at) any instant 随时；在任何情况下 for an instant 片刻；一瞬间 (2)instantly adv. 立刻，马上 28 返返 首首 页页 即学即练单句语法填空/句型转换

20、 Just for instant I thought he was going to refuse. instant you turn it on, youll get boiling water from our instant boiling water tap. Immediately, a car pulled over and a young woman jumped out. , a car pulled over and a young woman jumped out. He told me the news as soon as he met me. He told me

21、the news an The In an instant the instant (that) he met me 29 返返 首首 页页 名师点津 瞬间名词 moment, instant, minute, second 与定冠词 the 连用可引 导时间状语从句，表示“一就”。 The machine will start the moment you press this button. 你一按按钮机器马上启动。 30 返返 首首 页页 小片段填空 In fact, I think animal attraction can you can see an elephant go for

22、 another one. 事实上， 我相信动物间的吸引力是可以即刻产生的我们能看 到，大象有时会突然被另一头大象吸引。 instantly be instant 31 返返 首首 页页 知识要点5 command n. 指令；命令；控制 vt. 命令；控制 (教材 P14)All controls will respond to voice commands, so if you want to change your routine, you just say aloud what you want and the home system will obey. 所有的控制都会响应语音指令，

23、所以如果你想改变你的日常工 作，你只要大声说出你想要什么，家庭系统就会服从。 32 返返 首首 页页 例 1 He commanded us to stop. 他命令我们停下来。 例 2 The general issued a command that all of them should come at six oclock. 将军颁布了一道命令, 所有的人都要在六点钟到。 翻译 我劝他控制自己的脾气。 I advised him to command his temper 33 返返 首首 页页 知识拓展 (1)under the command ofunder ones command

24、 由指挥，由控制 be in command of 控制 take command of 控制 have a command of. 了解/掌握 34 返返 首首 页页 (2)command sb.to do sth. 命令某人做某事 commandthat 从句，谓语动词使用“(should)动 词原形”形式 35 返返 首首 页页 即学即练单句语法填空/完成句子 The captain commanded his men (pack) up and march on. He commanded that all the gates (shut) 目前，警察控制了这里的形势。 At pres

25、ent, the police are the situation here. 实际上，1000 人在他的指挥之下。 Actually, he has 1，000 men to pack (should) be shut in command of under his command 36 返返 首首 页页 图形助记 表示请求、命令、建议、要求等词后面跟从句时，从句谓语用 (should)do/be done，以下动词具有相同的用法。 37 返返 首首 页页 知识要点6 early on 在初期；早先 (教材 P15)They can warn you early on if there is

26、 something abnormal or if you have a critical illness, such as cancer, and potentially save your life. 如果有什么不正常的情况，或者你有严重的疾病，比如癌症，它 们可以提前警告你，并可能挽救你的生命。 38 返返 首首 页页 例 1 This is another one to do early on. 这也是另一个尽早要做的。 例 2 One secret he learned very early on was not to flaunt his success. 他很早就学到的一个秘诀就

27、是不要夸耀自己的成功。 39 返返 首首 页页 翻译 刚开始时，在校园里找一个你觉得能帮助自己成长的 人，并和他或她建立起良好的关系。 Early on, find someone on campus who you feel can help you grow and develop a relationship with him or her. 40 返返 首首 页页 知识拓展 earlier on 在初期；早先 at the earliest 作为最早日期，最早 early in life 早年的时候 early or late 迟早, 早晚 41 返返 首首 页页 即学即练单句语法填空

28、/完成句子 She developed a musical interest early /earlier We shall find the truth early late. 我们最早在星期五给你答复。 We will give you a reply on Friday 他早年的时候就发现了这些乐趣。 He discovered these pleasures on or at the earliest early in life 42 返返 首首 页页 知识要点7 relevant adj. 有关的；有意义的 (教材 P15)your smart home will detect it

29、 and provide you with the relevant information. 你的智能房屋将会探测出来，并给你提供相关的信息。 例 1 Museums should have a more involved or relevant public role. 博物馆应起到进一步介入公众生活或更加举足轻重的社会作用。 43 返返 首首 页页 例 2 These materials are relevant to the case. 这些材料与这起案件有关。 翻译 除非你有什么切题的话要说，否则请勿打断人家。 Dont interrupt unless you have somet

30、hing relevant to say 44 返返 首首 页页 知识拓展 be relevant to 与有关 45 返返 首首 页页 即学即练完成句子 这一点至关重要, 我们还是接着谈吧。 This point and we had better move on. 她的长相跟她能否当个好老师无关。 Her appearance whether she can be a good teacher. is not relevant to is really relevant 46 返返 首首 页页 知识要点8 in this sense (insense) 从这种(某种)意义上来讲 (教材 P

31、15)In this sense, the home of tomorrow is already the home of today. 从这个意义上说，明天的家已经是今天的家了。 例 1 In this sense, personality is the very soul of art. 从这种意义上来说，人格就是艺术的灵魂。 47 返返 首首 页页 例 2 In this sense, rule by law rule by moral. 在这个意义上，法治即德治。 翻译 从这个意义上讲它也有利于我们的健康。 In this sense it is also beneficial to

32、our health. 48 返返 首首 页页 知识拓展 in that sense 从这种(某种)意义上来讲 in a sense 在某种意义上 in no sense 决不；决非(位于句首时，句子用部 分倒装) theres no sense in doing sth. 做是没有道理/作用的 49 返返 首首 页页 即学即练单句语法填空/完成句子 In sense, his suggestion is very practical. There is no sense in (discuss) it over and over again. 在这种意义上来讲，当然它是个问题。 , of c

33、ourse, it is a problem. 这种事情决不能发生在我们学校。 In no sense to happen in our school. a discussing In this sense should such a thing be allowed 50 返返 首首 页页 Sentence Patterns 重点句式1 what 引导名词性从句 (教材 P14)so if you want to change your routine, you just say aloud what you want and the home system will obey. 所以如果你

34、想改变你的日常工作， 你只要大声说出你想要什 么，家庭系统就会服从。 句式分析：句中 what you want 为 what 引导的名词性从句，作动 词 say 的宾语。 51 返返 首首 页页 例 1 He saves what he earns. 他赚多少，积蓄多少。 例 2 Who is it that has made Fred what he is now? 是谁把弗雷德培养成现在这个样子的？ 翻译 他们搞到了他们所需要的东西食物和衣服。 They have got what they needfood and clothes. 52 返返 首首 页页 知识拓展 (1)what 引

35、导的名词性从句除了可以作宾语外，还可以在句中作 主语、表语或同位语等。 (2)what 在所引导的名词性从句中充当一定的成分。 (3)what 引导的名词性从句用陈述语序。 53 返返 首首 页页 即学即练完成句子 经过许多天的航行之后，他们到达了如今被称之为美洲的地方。 After many days voyage, they arrived in now. 最后我们来到了叫“西藏”的地方。 At last we came to a place “Tibet” At last we came to “Tibet” 所有的人都认为拯救古庙是正确的。 All the people believe

36、d what is called America that is called what is called that it was right to rescue the temple 54 返返 首首 页页 名师点津 名词性从句中的 what 与 that what 引导名词性从句常在从句中表示某种意义且作成分， 而 that 引导名词性从句时，that 在从句中一般无意义，且在从句中不作任何 句子成分。 55 返返 首首 页页 重点句式2 “特殊疑问词不定式” ”结构 (教材 P15)It will also give you suggestions on a healthier die

37、t and how to sleep better. 它还会为你提供更健康的饮食和如何睡得更好的建议。 句式分析：句中 how to sleep better 为“特殊疑问词不定式” 结构，作介词 on 的宾语。 56 返返 首首 页页 例 1 I dont know when to hand in my homework. 我不知道什么时候交我的家庭作业。 例 2 Can you tell me how to solve this maths problem? 你能告诉我如何解这道数学题吗？ 我们决定不了晚饭吃什么。 翻译 We cant decide what to eat for din

38、ner. 57 返返 首首 页页 知识拓展 (1)常见的特殊疑问词：疑问代词 who，what，which 等和疑问副 词 how，when，where 等。 (2)语法功能：该结构相当于名词性从句，在句中可以作主语、 宾语、表语、同位语等(作主语时，谓语动词常用单数)。 (3)通常用在 tell， show， understand， explain， teach， learn， discuss 等动词后面的特殊疑问代词与构成不定式的动词之间为动宾关系时， 不定式通常用主动形式。 58 返返 首首 页页 即学即练句型转换 The teacher taught the students how

39、they should do the experiment.The teacher taught the students _ (作宾语) The problem is where we should put this computer.The problem is (作表语) I have no idea what I can say about this.I have no idea _about this.(同位语) how to do the experiment where to put this computer what to say 59 返返 首首 页页 重点句式3 befo

40、re 引导时间状语从句 (教材 P15)Nevertheless, it will take some years before most new homes begin to use this new technology. 然而，要让大多数新家庭开始使用这项新技术还需要几年的时 间。 句式分析：句中 before 引导的是一个时间状语从句。 60 返返 首首 页页 例 1 It will be four days before they come back. 他们要过四天才能回来。 例 2 Einstein almost knocked me down before he saw me.

41、爱因斯坦几乎把我撞倒才看到我。 翻译 我父亲恰好在信到之前去加拿大了。 My father had left for Canada just before the letter arrived 61 返返 首首 页页 知识拓展 (1)“It was时间段before.”表示“过了多久才”。 从句 常用一般过去时。 (2)“It was not long before.”意为“不久就”。从句常用一般 过去时。 (3)“It will not be long before.”表示“不久就会”。 从句常用 一般现在时。 62 返返 首首 页页 (4)“It will be时间段before.”表示“

42、要过多久才”。 从句常用一般现在时。 63 返返 首首 页页 即学即练完成句子 如果你错过了这次机会，可能需要很多年你才能再获得一次。 If you miss this chance, you get another one. 不久我们就会习惯新的学校生活。 we get used to the new school life. 过了三天他才回来。 It was three days 很长一段时间后她才从手术中康复。 she recovered from the operation. it will be years before It wont be long before before h

43、e came back It was a long time before 64 返返 首首 页页 1However, in the not- too- distant future, we will be living in smart homes that will lock the door for us when we are away and remember to switch off the TV when we forget. 65 返返 首首 页页 【分析】 句中 that will lock the door for us.为 that 引导的限制 性定语从句， 修饰先行词

44、 smart homes； 其中有两个 when 引导的时间 状语从句。 【译文】 然而，在不远的将来，我们将生活在智能家居中，当 我们外出时，智能家居会为我们锁门，当我们忘记时，智能之家会提 醒我们关掉电视。 66 返返 首首 页页 2. Your lights will come on the instant you enter the door along with your favourite music or TV programmes, and you will find your dinner already prepared for you. 67 返返 首首 页页 【分析】

45、句中 the instant you enter the door.为 the instant 引导 的时间状语从句， 相当于 as soon as； and 连接表示顺承关系的并列句， 其中find your dinner already prepared for you为“find宾语过去分 词作宾补”结构。 【译文】 你一进家门，灯就会亮起，还有你最喜欢的音乐或电 视节目(会自动播放)，而且你会发现晚餐已为你准备好了。 68 返返 首首 页页 教材 高考 1.For example, the phrase in my opinion tells us that the passage i

46、s likely meant to persuade. (2019 全国卷)She may just need a little persuading. 2. However, in the nottoo distant future, we will be living in smart homes that will lock the door for us when we are away. (2019天津卷) To many people, technology means computers, hand held devices, or vehicles that travel to

47、 distant planets. 69 返返 首首 页页 3.Smart toilets will be keeping constant track of your health as well. (2019 江苏卷)Thus humans who lived a million years ago, despite their big brains and sharp stone tools, lived in constant fear of meat- eating animals. 4. Many of these new innovations are already avail

48、able and being used in some homes. (2019 全国卷)The trend, then, was toward the “penny paper”a term referring to papers made widely available to the public. 70 返返 首首 页页 5. They can warn you early on if there is something abnormal or if you have a critical illness. (2019 北京卷)Although she founded her com

49、pany early on in life, she wasnt driven primarily by profit. 71 返返 首首 页页 .单句语法填空 1I (persuade) of the usefulness of his new device at that time. 2. Frick had a preference pre- twentieth century Western paintings. 3. instant they heard the alarm, they fell in for action. 4. After working well for a year the air (condition) suddenly started kicking up. was persuaded for The conditioner 72 返返 首首 页页 5. It will no