M7 Unit 1 Living with technology
Welcome to the unit:
1. the dangers of the mobiule phones 手機(jī)的危害
2. give advice 提建議
3. make a list of the advantadges and disadvantadges 列出……的利弊
4. in the last few decades 在過(guò)去的幾十年
5. be in black and white 黑白的
6. record music using computers 用電腦錄音樂(lè)
7. With moble phones, we can keep in touch with others wherever we are.
有了手機(jī)，無(wú)論在哪里，我們都能和他人保持聯(lián)系。
keep in touch with sb 和…. 保持聯(lián)系
get in touch with sb 和….取得聯(lián)系
lose touch with sb 和….失去聯(lián)系
be in touch with sb 和…. 有聯(lián)系
be out of touch with sb 和….失去聯(lián)系
10. change with time 隨著時(shí)間而變化
Reading:TV and audio devices: a review
1. at the media and technology exhibition 在傳媒與技術(shù)展覽會(huì)上
2. shortly after 之后不久
3. contribute to the development of TV 對(duì)電視的發(fā)展做出了貢獻(xiàn)
4. It is still uncertain who invented TV. 至今還沒(méi)能確定誰(shuí)發(fā)明了電視。
5. consider digital TV to be superior to satellite TV 認(rèn)為數(shù)字電視優(yōu)于衛(wèi)星電視
6. be delivered with clearer pictures 播更清晰的圖像
7. international standards for digital TV 數(shù)字電視的國(guó)際標(biāo)準(zhǔn)
8. have access to 200 channels 能接受到200個(gè)頻道
9. come onto the market 上市； 面市
10. combine A with B 把A和B結(jié)合起來(lái)
11. respond to questionnaires 做問(wèn)卷調(diào)查
12. chat to/with other viewers 和他人聊天
13. make a recording of ….. 錄制
14. a German living in the USA 生活在美國(guó)的德國(guó)人
15. be wound up be hand 手工轉(zhuǎn)動(dòng)
16. play a record/ sounds 放音樂(lè)/聲音
17. develop it for military use 為了軍事用途研制了它
18. be added to the Oxford English Dictionary 被加入牛津英語(yǔ)詞典
19. make the first CDs available 第一批CD激光唱片出現(xiàn)了
20. for the first time ever 有史以來(lái)第一次
21. be very easy to carry 便于攜帶
22. to such a degree 達(dá)到這樣的程度
23. take over the portable music player market 占領(lǐng)了便攜式音樂(lè)播放器市場(chǎng)
24. spring up all over the Internet 在互聯(lián)網(wǎng)上涌現(xiàn)
25. way back in 1925 早在1925年
26. another three years/three more years 又三年
27. a variety of 200 differrent channels 200個(gè)各種不同頻道
28. move on to……. 接下去轉(zhuǎn)到 …..; 繼續(xù) …..
29. in the 1980s 二十世紀(jì)八十年代
in the eighties 在八十年代 in one’s eighties 在某人八十幾歲時(shí)
30. bring great convenience and delight to people’s lives
給人們的生活帶來(lái)了便利和快樂(lè)
31. imagine living without TV 相象沒(méi)有電視來(lái)生活
重點(diǎn)單詞，短語(yǔ)和句式：
1. Altogether, three men could be responsible. ( L7) 總而言之，有三個(gè)人貢獻(xiàn)最大。
altogether adv. （1）總而言之；總起來(lái)說(shuō) （2）完全；全部
（3）總共；一共 =____i________
Eg. (1) Altogether, our achievements are very great.__________________________.
(2)That’s _______________another question. 那完全是另外一回事。
(3)______________________________________這里總共有10 個(gè)人。
答案：in all;
(1) 總之，我們的成就很大。 （2）altogether （3）There are 10 people here altogether.
2. Some consider digital TV to be superior to satellite TV because it allows the same services to be delivered with clearer pictures than before. (L19) 有些人認(rèn)為數(shù)字電視優(yōu)于衛(wèi)星電視，因?yàn)閿?shù)字電視傳播的電視節(jié)目圖像比以前更加清晰。
superior作形容詞時(shí)，表“高級(jí)的；高傲的；優(yōu)越的；上級(jí)的”，短語(yǔ)be superior to…意為“比……好”、“比……強(qiáng)”、“不屈服于……”。
(1)__________________________________________________________________
在我看來(lái)，手工制作的褲子要比機(jī)器加工的褲子好。
(2)The boy was superior to hardships. _____________________________________
(3)另外，superior還可作名詞，意為“上級(jí)”、“長(zhǎng)者”、“地位/智力較高的人”等。
We will need a letter of recommendation from one of your superiors.
_____________________________________________________________________
答案：
(1) In my opinion, trousers made by hand are superior to those made by machine.
(2) 那男孩不向艱難困苦屈服。
（3）我們需要一封你們領(lǐng)導(dǎo)寫(xiě)的推薦信。
3. They bought the patent and applied the technology to create the transistor radio.
(L40) 他們買(mǎi)下了專(zhuān)利，將該技術(shù)用于生產(chǎn)晶體管收音機(jī)。
apply vt.& vi. 運(yùn)用，應(yīng)用，申請(qǐng)； application n. 運(yùn)用，申請(qǐng); applicant n. 申請(qǐng)人，句中動(dòng)詞apply意為“應(yīng)用”，短語(yǔ)apply…to…意為“把……應(yīng)用于……”。
（1）The results of this research _____________________________________________
這項(xiàng)研究成果將應(yīng)用于肺癌的治療。
（2）apply還可表“申請(qǐng)”、“請(qǐng)求”（apply for sth申請(qǐng)某物 ; apply to sb. for sth.“向某人申請(qǐng)某物”）。
我將去那家公司申請(qǐng)那份工作。
______________________________________________________________________
（3）apply vt.“使(自己)專(zhuān)心于/使聚精會(huì)神”的意思（apply oneself to…“致力于……”）（apply one’s mind to… “專(zhuān)心于…”）
他專(zhuān)注于解決這一難題。
__________________________________________________________________________
答案：
（1）will be applied to the treatment of lung cancer.
(2) I will apply to the company for the job.
(3) He applied himself to solving the problem.
4. Then, in 1979, the Walkman, a portable pocket-sized cassette tape player, was introduced and became so popular that Walkman was added to the Oxford English Dictionary in 1986. （L41）
然后在1979年，一種便攜式只有口袋尺寸大小的盒帶播放器，即隨身聽(tīng)（Walkman）被引進(jìn)，并且變得如此受歡迎，以致于“Walkman”一詞在1986年
被收入《牛津英語(yǔ)詞典》。
辨析：add to… 增加…… add…to… 把……加到……上
add up 加在一起 add up to… 總計(jì)……；加起來(lái)是……
（1）The bad weather add to our difficulties。______________________________
(2) ______________________________________________?
請(qǐng)您給這篇文章加幾條注釋好嗎?
(3) ____________________________________. 這些帳單加起來(lái)正好一百元。
(4)There have been several new events to the program for the 2008 Beijing Olympic Games.
A. add B. to add C. adding D. added
答案：
(1) 惡劣的天氣增加了我們的困難。
(2) Would you please add a few notes to the article?
(3) The bills add up to exactly 100 yuan.
(4) 選D
5. …and in 1988, for the first time ever, people were demanding more CDs than LPs. （L49）及至1988年，人們對(duì)CD的需求有史以來(lái)第一次超過(guò)了LP唱片。
demand vt. 要求，需要；vi. 要求，查問(wèn) n. 要求，需要，需求量
(1) demand sth 要求/需要某物，
_______________________________________________________
眾所周知，釣魚(yú)是一項(xiàng)需要耐心的工作。
(2) demand to do sth 要求干某事
demand后接動(dòng)詞不定式時(shí)，主語(yǔ)通常是人而不是物；動(dòng)詞不定式可根據(jù)需要用主動(dòng)或被動(dòng)形式。例如：
_________________________________________________________
她要求知道這件事情的整個(gè)經(jīng)過(guò)。
(3) demand sth from/ of sb向某人要求某物， 例如：
The foreign customer demanded an apology from the saleswoman in the supermarket.
___________________________________________________________________
（4） demand +that從句 要求…… demand后接賓語(yǔ)從句時(shí)，從句謂語(yǔ)一般要用虛擬語(yǔ)氣，即"should + 動(dòng)詞原形";其被動(dòng)語(yǔ)態(tài)為 "should + be +動(dòng)詞過(guò)去分詞",其中should可以省略。例如：
____________________________________________ 我要求約翰立即到那里去。
(5)demand用作名詞時(shí)既可用作可數(shù)名詞，也可用作不可數(shù)名詞。常見(jiàn)用法有：
表示"要求；要求的事物"。例如：
The workers’ demands for higher pay and better working condition were turned down.
______________________________________________________________________
答案：
(1) As is known, fishing is a job that demands great patience.
(2) She demanded to be told everything about it.
(3) 這位外國(guó)顧客要求超市女售貨員向其道歉。
(4) 工人們加薪和改善工作條件的要求遭到拒絕。
6. I was also really surprised to learn that Germany was the birthplace of MP3, not Japan or the USA as I had assumed they would be.
assume vt. 假定,設(shè)想; 承擔(dān), 擔(dān)任； 呈（某種形式、面貌）。
assuming conj. 假定；設(shè)想 （引導(dǎo)條件句）
（1）________________________________________. 我以為你能講流利的法語(yǔ)。
(2) I made a mistake and I will assume responsibility for it.
___________________________________________________
(3)________________________________________. 這個(gè)問(wèn)題又以新的形式出現(xiàn)
(4)__________________________________________________________
假定明天下雨我們?cè)趺崔k？
答案：
(1) I assumed you could speak French fluently.
(2) 我錯(cuò)了，我愿意為此承擔(dān)責(zé)任。
(3) The problem has assumed a new form.
(4) Assuming it rains tomorrow, what shall we do?
7. But it’s up to you to choose good programmes! (Page 5)
（1）up to 直到…… （數(shù)目/程度/時(shí)間）
_____________，he has collected 1000 stamps 至今, 他已經(jīng)收集1000張郵票。
（2）be up to sb to do sth 應(yīng)有某人做某事
______________________________________. 應(yīng)由我來(lái)幫助你.
(3) be up to sth 從事于、忙于（某種不好的事; 密謀干壞事
I’ll bet that he is up to no good as usual.__________________________________
(4) be up to 勝任，適于
______________________________________ 他不勝任他的工作。
答案：
(1) Up to know
(2) It’s up to me to help you.
(3) 我敢打賭他肯定如往常一樣沒(méi)干好事。
(4) He is not up to the work.
分析下列句子結(jié)構(gòu)：
1.Cable TV began in 1948 in the USA, but it took 50 years before 66 per cent of American households had it (L16)
before 連詞在此處是什么意思？__________________
翻譯：_________________________________________________________________
2.This is like a mini CD player but can also record music and is very easy to carry, being very small, as the name “mini” indicates.
being very small做什么成份___________________________
as the name “mini” indicates 是什么從句？________________________
3.Personally, I think people must have found it quite a delight when colour TV was first broadcast in 1929.
it指帶什么？________________ a delight 是什么意思？__________________
4. The other information I got was about the evolution of audio devices, starting with Thomas Edison’s first recording, then moving on to different kinds of tape recorders and finally CDs, which were introduced in the 1980s.
starting 和 moving 亮個(gè)Ving短語(yǔ)作什么成份？__________________________
答案：
1. 在…之后才….
2. 原因狀語(yǔ)；定語(yǔ)從句
3. it指when句子所指內(nèi)容；a delight指“樂(lè)事”
4. 定語(yǔ)
Word Power：
1. work on the third floor 在三樓工作
2. the section manager 部門(mén)經(jīng)理
3. electronic goods 電子產(chǎn)品
4. household appliances 家用電器
5. start with 以……開(kāi)始
6. be linked to…… 被連接到……
7. video cameras 攝像機(jī)
8. digital cameras 數(shù)碼照相機(jī)
9. take up to three minutes 拍攝長(zhǎng)達(dá)三分鐘
10. all sorts of other functions 各種其他功能
11. at the top/at the bottom 在頂部/在底部
12. a freezer section （冰箱的）冷凍區(qū)
13. electric rice cooker 電飯鍋
14. microwave ovens 微波爐
15. electric woks 電炒鍋
16. be coated with…… 被涂上一層……、被覆蓋……
17. vacuum cleaners 吸塵器
18. save us a lot of time 給我們節(jié)省許多時(shí)間
19. The most expensive ones have cameras and Internet access as welll as games and all sorts of other functions.
access n. 接近的方法/權(quán)利； 通路，入口
_____________ adj. 易接近的； 可理解的
have/gain/get/obtain access to…… 接近……; 進(jìn)入……； 使用……
be easy /hard of access 容易/難接近
(1)You can easily get access to him. ____________________________
(2)Only a few people _______ ________ _______the full facts of the case.
只有少數(shù)幾個(gè)人能看到有關(guān)該案全部事實(shí)的材料。
(3)_____ _______ _________ ______ ________ __________ is along that narrow road.
只有沿著那條狹窄的路走才能到達(dá)他們的房子。
答案：
accessible
（1）你很容易接近他/見(jiàn)到他。
（2）have access to
（3）the only access to their their house
Grammar and usage:
1. on the afternoon of 5th June 在六月五日的下午
2. in the direction of…… 朝……方向
3. for merely one year 僅僅一年
4. have sth. in store 有東西儲(chǔ)存?zhèn)溆?/p>
5. look into the case 調(diào)查這個(gè)案子
6. set sail and head for Shanghai 揚(yáng)帆起航前往上海
7. be in time for the programme 及時(shí)趕上這節(jié)目
8. by means of a special jack 通過(guò)一個(gè)特殊的接口
9. press “delete” by accident/mistake 無(wú)意中按了“delete”鍵
10. on the market 上市，出售
11. be on sale/ for sale 有售, 上市； 廉價(jià)出售
12. up to date 最新式的
13. be capable of …… 有能力干……
14. be satisfied with…… 對(duì)……很滿(mǎn)意
15. sb be familiar with sth人對(duì)某事熟悉 /
sth be familiar to sb 某事為某人所熟悉
16. the price is likely to go down. 價(jià)格很可能會(huì)下降。
It is likely that……/Sb(Sth) be likely to do sth
17. Could you accompany me to get a new one while the sale is on?
accompany vt. 伴隨； 陪同； 配有 為……伴奏
accompany sb=keep sb company陪同某人
accompany sb/sth 陪同某人/某物
accompany sb to a place 陪同某人去某地
accompany sb at /on sth 用某物給某人伴奏
（1）_______________________________________________. 他希望她陪他。
（2）I will accompany you to the station.__________________________________
(3) The singer ______ ______________ ________ the piano by Mr White.
懷特先生為那位鋼琴家擔(dān)任鋼琴伴奏。
答案：
（1）He wished her to accompany him.
（2）我將陪你到車(chē)站。
（3）was accompanied
18. You want a TV linked with the Internet ? In that case, get a WebTV
case n. 情況，狀況；真相；事實(shí)；事例；案件；
相關(guān)短語(yǔ)：
in this case/in that case 假如這樣（那樣 ）的話(huà)
in case 假如； 萬(wàn)一 just in case 以防萬(wàn)一
in case of…… 萬(wàn)一……， 如果發(fā)生……
in the case of …… 就……而言
in no case 絕不
in any case 無(wú)論如何；總之
as is often the case (with sb.) 這是常有的事
as the case may/ might be看情況； 根據(jù)具體情況而定
（1） You have finished, haven’t you?
______________________________如果那樣，你可以休息一會(huì)。
（2）It may rain, ____________________,the hike will be canceled.
天也許會(huì)下雨， 如果那樣的話(huà)，徒步旅行將會(huì)被取消。
（3）The sun is shining, but I’ll ______ ____ ________ _______ _______ _________. 現(xiàn)在是晴天，但我還是帶上雨傘以防萬(wàn)一。
(4)_____ ________ ______ ______, dial 119 at once. 如果發(fā)生火災(zāi),立即撥打119。
(5)_____ _______ ________ _______ _____ ______________, it is fortunate for him
to have recovered from his illness like this. 就他的健康狀況來(lái)說(shuō),能恢復(fù)到這樣算是幸運(yùn)的了。
(6) You should finish your composition before school is over in any case.
_________________________________________________________________
(7)_______________________________________________________. 教室里決對(duì)不允許吸煙。
(8) Is that the case? No, that’s not the case. ___________________________________
(9)___________________________________________________________________
他和朋友吵架，但這已屢見(jiàn)不鮮。
答案：
（1）In that case, you may have a rest.
（2）in which case
（3）take an umbrella just in case
（4）in case of fire
（5）in the case of his health
（6）無(wú)論如何你應(yīng)該放學(xué)前完成你的任務(wù)。
(7) In no case shall we allow smoking in the calssroom.
（8）事實(shí)是那樣嗎？ 不，事實(shí)并非如此。
（9）He quarrelled with his friends, as was often the case.
Task:
1. a major consideration 主要的考慮
2. above all 首先，最重要的是
3. in particular 特別，尤其
4. it doesn’t matter so much if /whether……是否……并沒(méi)太多的關(guān)系
5. extra functions 額外的功能
6. be shaped like …… 形狀像……
7. have an inbuilt louderspeaker有一個(gè)內(nèi)置的揚(yáng)聲器
8. have a one-year guarantee有一年的保修期
9. be clear and to the point 清楚切題
10. bring in unnecessary information 提出/引入不必要的信息
bring in $150 a week 每周賺一百五十美元
11. keep two things in mind 牢記兩件事
12. get confused 弄糊涂了
13. recommend the first one 推薦第一款
14. It has an AAA battery (included) and has a one-year guarantee.
guarantee n. 擔(dān)保, 擔(dān)保人; 擔(dān)保品, 抵押品；保證, 保障; 保證書(shū)；保修期; 跡象
stand guarantee for…… 為……擔(dān)任保證人
offer one’s house as a guarantee提供房屋作為擔(dān)保品
（1）You have my guarantee that I’ll finish the job on time.____________________.
（2）South winds in winter are a guarantee of rain in these parts.
____________________________________________________________
guarantee vt. 擔(dān)保，保證
guarantee sth擔(dān)保某事
guarantee sb sth 保證給某人某物
grarantee to do sth 保證/擔(dān)保去做某事
guarantee that clause
be guaranteed to do sth 必定做某事/一準(zhǔn)做某事
guarantee sb against /from ……保證某人免受……
（3）______________________________________________我保證付清他的債務(wù)。
(4)We cannot guarantee the punctual arrival of trains in fogy weather.
________________________________________________________________
（5） ______________________________________________. 我包你玩得痛快。
（6）It's guaranteed to rain when you want to go out. ____________________________________________________.
(7)_______________________________________________________________
這想措施保障我們免受所有損失。
答案：
(1) 我向你保證按時(shí)完成工作。
(2) 在這一帶冬天刮南風(fēng)是下雨的跡象。
(3) I guarantee to pay off his debt.
(4) 在有霧的天氣我們不能保證火車(chē)準(zhǔn)時(shí)到達(dá)。
(5) I guarantee that you’ll enjoy yourself.
(6) 你想出門(mén)，天準(zhǔn)下雨。
（7）The measure gurantees us against all loss.
15. In other words, the model with the camera costs twice as much as the older model, isn’t it?
一、用 times 表示倍數(shù)（一般限于包括基數(shù)在內(nèi)三倍或三倍以上的數(shù)。表示兩倍的數(shù)，一般用 twice ）。其句式有：
(1.) “… times ＋形容詞 / 副詞的比較級(jí)＋ than …”例如：
Line AB is three times longer than line CD.
線(xiàn)段 AB 是（線(xiàn)段） CD 的三倍長(zhǎng)。
____________________________________________________
這個(gè)大廳比我們的教室大 5 倍。
(2.) “… times +as + 形容詞 / 副詞的原級(jí)＋ as …”例如：
This table is three times as long as that one.
這張桌子是那張桌子的三倍長(zhǎng)。
This dictionary __________________________the one you borrowed from the library.
這本詞典的厚度是你從圖書(shū)館借的那本（厚度）的 5 倍。
(3.) “… times + the + 名詞（如：size，height，weight，length，width 等）＋ of …”例如：
The earth is 49 times the size of the moon.
地球的體積是月球的 49 倍。
_______________________________________________________________
這條河是那條河的三倍深。
(4.) “… times + more ＋名詞＋ than …”例如：
He earns five times more money than he did ten years ago.
他現(xiàn)在掙的錢(qián)比十年前掙的多 5 倍。
There are _______ _______ _______________in our class than in theirs.
我們班的學(xué)生人數(shù)比他們班多兩倍。
(5. )“… times +as many （或 much ）＋名詞＋ as …”例如：
We've produced twice as much cotton this year as （ we did ） ten years ago.
今年我們生產(chǎn)的棉花是十年前的兩倍。
He has got ____________________________________________ as his sister.
他擁有的書(shū)的數(shù)量是他妹妹的三倍。
(6.) “… times + what 從句”例如：
The length of the road is four times what it was three years ago.
這條路的長(zhǎng)度是三年前的 4 倍。
The price of the meat is __________________________________________
肉價(jià)是去年的兩倍。
答案：
(1) This hall is five times bigger than our classroom.
(2) is five times as thick as
(3) The river is three times the depth of that one.
(4) twice more students
(5) three times as many books
(6) twice what it was last year
Project: Are mobile phones safe?
1.double the risk of developing brain cancer 使患腦部腫瘤的危險(xiǎn)增加了一倍
2. be based on/upon sth 以……為基礎(chǔ)
3. carry out a plan /an order/ one’s duty/one’s promise 執(zhí)行，貫徹，履行
4. two and a half times 兩點(diǎn)五倍
5. concentrate on /upon sth 集中在……上
6. not necessarily 未必，不一定
7. be used with/without caution 小心翼翼地/無(wú)所顧忌被使用
8. conduct another study 做令一項(xiàng)研究
9. previous to this 在此之前
10. as one scientist has pointed out, 正如一位科學(xué)家所指出的
11. the effects of mobile phones on people’s health 手機(jī)對(duì)人們健康的危害
12. be unwilling to do sth 不情愿做某事
13.make the findings public 把研究結(jié)果公開(kāi)
14. draw a parallel between mobile phones and cigarettes 把手機(jī)和香煙做個(gè)類(lèi)比
15. be associated with sth. 與某事有聯(lián)系
16. have faith in them 相信/信任他們
17. for the time being 暫時(shí)，暫且
18. be not fully developed 沒(méi)完全發(fā)育
19. This study was conducted with 200 mice, half of which were exposed to radiation while the other half did not receive any radiation.
該研究對(duì)200只老鼠進(jìn)行了試驗(yàn)，其中一半接受輻射，另一半不接受任何輻射。
expose vt 使暴露， 使顯露，使曝光，使遭受， 使接觸，使了解
expose sb/ sth/ oneself to……
使……暴露在……； 使……接觸……；使……遭受……
be exposed to…… 被暴露于……； 經(jīng)受……
(1) He exposed the plan to the newspaper.___________________________________
(2)_______________________________________________；it will get burnt.
別把你皮膚暴露在陽(yáng)光下，會(huì)曬傷的。
(3)This kind of paint can be exposed to all kinds of weather.
______________________________________________________
(4) He is a student who _________________________________________________.
她是一位接觸英語(yǔ)達(dá)六年左右的學(xué)生。
答案：
(1)他想這家報(bào)社透露了這個(gè)計(jì)劃。
(2) Don’t expose your skin to the sun.
(3) 這種油漆能經(jīng)受各種天氣的考驗(yàn)。
(4) has been exposed to English for six years.
20. The amount of radiation was equal to using a mobile phone for two half-hour periods per day. 輻射的總量相當(dāng)于每天使用手機(jī)打兩次半小時(shí)的電話(huà)。
equal adj. 相當(dāng)?shù)模降鹊�，勝任�?/p>
____________(adv.)平等地 ________________(n.) 平等；均等
be equal to 等于，相當(dāng)于， 勝任，有……的能力
（1）On the whole, women are not equal to men in physical strength.
__________________________________________________________
(2)______________________________________________. 她能勝任這項(xiàng)任務(wù)。
equal vt. 等于，和……相等；比得上；敵得過(guò) n. 相當(dāng)?shù)娜嘶蛭铮黄痴?/p>
（3）Three times three equals nine. ____________________________________
(4)___________________________________________.誰(shuí)的力氣也比不上他。
（5）Is he your equal in strength.? _______________________________________.
答案：
equally; equality
(1)總體來(lái)說(shuō)，女性的體力不及男性。
(2) She is equal to (doing) the task.
(3) 三乘三等于九。
(4) Nobody equals him in strength.
(5)他同你力氣一樣大嗎？
21. For years, the cigarette companies would not acknowledge that cancer is associated with smoking, but now we all know that it is.
acknowledge vt. (1.)承認(rèn), 供認(rèn) (2). 告知已收到 (3). 鳴謝, 感謝
acknowledge sth
acknowledge that ……
acknowledge doing sth /having done sth承認(rèn)做了某事
acknowledge sb/sth as/to be……承認(rèn)某人/某物為……
It is universally ackowledged that…… ……是大家公認(rèn)的
（1）He waved his hands to acknowledge the cheers of the crowd.
_____________________________________________________________
(2)___________________________________________我馬上告之收到了他的信。
(3) They acknowledged having done wrong. _______________________________.
（4）_________________________________________. 我承認(rèn)它是真的。
(5)It is universally acknowledged that dogs have an acute sense of smell.
______________________________________________________________
答案：
(1) 他揮手對(duì)大眾的歡呼表示感謝。
(2) I acknowledged his letter at once.
(3) 他們承認(rèn)做錯(cuò)了事。
(4) I acknowledge it as true.
(5) 大家都認(rèn)為狗的嗅覺(jué)敏銳。