必修二 Unit 3 Computers (Learning about language)

1、人教课标人教课标高一高一 必修必修 2Unit 3simplify calculate solve explore totally mobile anyhow finance network revolutionsimplifyvt. 简化；使单纯；简化；使单纯； 使简易使简易 Could you simplify what youve just said?你能简化你刚才所说的吗你能简化你刚才所说的吗?v. 计算；核算计算；核算calculateDid you calculate the cost?你计算过成本吗？你计算过成本吗？vt. 解决；解答解决；解答 solveWith the hel

2、p of his friends, he finally solved the problem. 在朋友们的帮助下，他终于解决了这个问题。在朋友们的帮助下，他终于解决了这个问题。 完成句子完成句子It was clever of you to solve the problem (解答那个问题解答那个问题). This problem is too difficult for me to solve (我解决我解决). v. 探索；考察；探索；考察； 探险探险 exploreWill you explore the cave with me tomorrow? 明天跟我去山洞里探险，好吗？明天

3、跟我去山洞里探险，好吗？ 根据语境填入根据语境填入explore的适当形式。的适当形式。 Well take a voyage of exploration. Columbus discovered America but did not explore the new continent. The explorer told the boys about his adventures in the Arctic. adv. 完全地完全地 totallyI totally agree with you.我完全同意你的看法。我完全同意你的看法。adj. 可移动的，可移动的， 非固定的非固定的mo

4、bilemobile phone手机手机China mobile中国移动通讯中国移动通讯mobile robot移动遥控装置移动遥控装置 a mobile shop流动商店流动商店adv. 总之；无论如何；总之；无论如何； 不管怎样不管怎样 anyhowAnyhow you must tell the truth.无论如何，你必须说出真相。无论如何，你必须说出真相。 Im afraid we cant come，but thanks for the invitation anyhow. 恐怕我们来不了了，即使这样还是谢谢邀请。恐怕我们来不了了，即使这样还是谢谢邀请。 Its too expen

5、sive and anyhow the color doesnt suit you. 这件太这件太贵了，而且颜色不适合你。贵了，而且颜色不适合你。 Anyhow，lets forget about that for the moment. 无论如何，咱们暂时忘记那件事吧。无论如何，咱们暂时忘记那件事吧。 She piled the papers in a heap on her desk，just anyhow. 她把她把文件放在桌上随便搁成一堆。文件放在桌上随便搁成一堆。 完成句子完成句子 I was in such a hurry that I put my clothes on anyh

6、ow (随随便地把衣服穿上便地把衣服穿上). It may snow, but anyhow I will go to town (我无论如何要我无论如何要进城进城). n. 金融；财经金融；财经finance Mr Li is an expert in finance. 李先生是一位金融专家。李先生是一位金融专家。n. 网络；网状物网络；网状物networkThe Internet is a worldwide computer network. 因特网是一个全球计算机网络系统。因特网是一个全球计算机网络系统。n. 革命革命 revolutionThe industrial revoluti

7、on took place in England first. 工业革命首先在英国发生。工业革命首先在英国发生。 _ complete change in ways of thinking, working, etc. _ connected computer system _ to make things easier _ to find the answer using numbers _ can be moved easily from place to place _ to work out the answer to a problem _ to travel around an a

8、rea to find out about it _ completely _ anyway _ activity of managing moneyrevolutionnetworksimplifycalculatemobilesolveexploretotallyanyhowfinanceComplete the passage with the words below.artificial technology intelligent applications explore web reality logically When my brother was in high school

9、, he was very interested in computers and enjoyed writing programs of his own. He used to download information from the Internet and made good use of it. He liked to _ the World Wide _ and used the Internet to communicate with computer programmers all over the world. When he went to university he st

10、udied IT ( information _ ) and developed a special interest in _ intelligence. After developing special _ of the computer, he hopes to design an _ robot which can think _ and look like a human being, but in _ he has a long way to go.exploreWeb technologyartificialapplicationsintelligentrealitylogica

11、llyRead the story below and then use the outline to create one of your own.My story When I was young I was crazy about radios.At the time my interest began, I was playing with radios at home.Over time I decided to build my own radio.As time went by I did research into how to make my radio.By the tim

12、e I was sixteen, my dream had come true. I made my own radio.As a result I became interested in electronics and computers.From then on I worked hard to get into university.Now I am working in a computer company designing new programs for computers.As I grow older I realize how much my life has been

13、connected with my interest in radios!Your storyWhen I was young _.At the time _.Over time _.As time went by _.By the time _.As a result _.From then on _.Now _.As I grow older _. 一般现在时的被动语态 (am / is / are + v.-ed） The classroom is cleaned every day. 一般过去时的被动语态 (was / were + v.-ed ） The classroom was

14、cleaned yesterday. 一般将来时的被动语态 (will / shall + be + v.-ed 或 + be going to + be + v.-ed) The classroom will be cleaned after school today. 现在进行时的被动语态 (am / is / are + being + v.-ed) The classroom is being cleaned now. 过去进行时的被动语态 (was / were + being + v.-ed) The classroom was being cleaned when I came

15、in. 现在完成时的被动语态 (have / has + been + v.-ed ） The classroom has been cleaned already. 带情态动词的被动语态 (情态动词 + be + v.-ed) The classroom must be cleaned twice a day.常用的七种被动语态形式常用的七种被动语态形式 Paper money _ for over a thousand years. A. usedB. has been usedC. has usedD. is using 分析：分析：主语和谓语是被动关系，而且时间状语是一个时间段，根据题

16、意，谓语动词所要表示动作可能还要继续下去，符合现在完成时，所以应该是现在完成时的被动式。 “_ the letter _ to Mr Black?” “No. Its still on the desk.” A. Has; givenB. Will; be given C. Was; givenD. Has; been given 分析：分析：此题是一道问答情景题。问话人想知道的是动作的结果，所以应该是现在完成时的被动式。其疑问式是把这一结构中的助动词have或has提前，所以正确答案为D。 1. The dirty clothes have been washed.2. The plan h

17、as been studied by the experts for three times.注意：注意：现在完成时的被动语态： have / has + been + v.-ed 现在完成进行时的主动语态：have / has + been + v.-ing 它们的构成的区别在最后的动词上，现在完成时的被动态接的是过去分词 (v.-ed), 现在完成进行时的主动语态接的是现在分词 (v.-ing)。The child has been taken care of by Grandma Wang all these years.I have been working for four hour

18、s up to now. The old temple has been rebuilt. The door has been locked. （我或别人现在进不去） He has been told about it for many times. （可能还会有人告诉他） Well go home as soon as the work has been finished. 1. 副词的位置 often, usually, always, never, hardly, seldom等副词置于have/has和been中间。如: 误 Such a man has been hardly bel

19、ieved. 正 Such a man has hardly been believed.2. 并不是所有动词都有被动语态 如：误 Great changes have been taken place in China since 1978.正 Great changes have taken place in China since 1978. 如： 误 The door has been opened of itself. 正 The door has opened of itself.3. 短语动词不可分割或省略其中的介词或副词。如： The SARS patients have be

20、en taken good care of.4. 一些特殊动词, 如 borrow, finish, begin, buy, start, return, marry, open, join 等构成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，则需改换动词或时态。 如： My brother has had (不能用has bought) this bike for almost four years. How long has the computer been bought? How long has the computer been had? When was

21、 the computer bought? x x 把主动语态的宾语变为被动语态的主语。把主动语态的宾语变为被动语态的主语。 把谓语变成被动结构把谓语变成被动结构 (be过去分词过去分词) (动词的时态不能变动词的时态不能变) 把主动语态中的主语放在介词把主动语态中的主语放在介词by之后作宾语之后作宾语, 将主格改为宾格。将主格改为宾格。 We have already finished the work. The work has already been finished by us. 双宾语动词变被动语态可将其中的一个宾语变为主语，另一双宾语动词变被动语态可将其中的一个宾语变为主语，另一

22、 个保留不动。个保留不动。主动：主动：I have given him the key.被动：被动：He has been given the key.被动：被动：The key has been given to him.注意：当直接宾语作主语时，间接宾语之前要加注意：当直接宾语作主语时，间接宾语之前要加to或或for 。 带复合宾语的动词变被动语态时带复合宾语的动词变被动语态时, 只能将宾语变为主语只能将宾语变为主语, 原来原来 的宾补保留不动的宾补保留不动, 改称主语补足语。改称主语补足语。主动：主动：I have asked her to help you.被动：被动：She has

23、been asked to help you.Pay attention to the use of the present perfect voice in the following poem. Then fill in the chart below.Look at the way your face has been washedLook at the way your hair has been combedLook at the way your shoes have been cleanedYoud better do them again.Look at the way the

24、 flowers have been plantedLook at the way the grass has been cutLook at the way the paths have been sweptI hope that youll come here again.the way the flowers have been plantedthe way the grass has been cutthe way the paths have been sweptthe way your face has been washedthe way your hair has been c

25、ombedthe way your shoes have been cleanedRead this poem aloud, paying attention to the rhythm and intonation. Then write your own poem.Look at the way _Look at the way _Look at the way _Look at the way _Look at the way _Look at the way _the table has been laidthe glasses have been placedthe food has been cookedYoud better do them again.your bed has been madeyour carpet has been sweptyour shoes have been t