1、.,1,extend和expand區(qū)別,extend:直線狀“伸展”，引申“擴(kuò)展范圍、領(lǐng)域 等；用于比喻意義時(shí)，表影響、勢(shì)力和范圍都 超過(guò)目前； expand:為最普通用語(yǔ)，主要指物體由于外力或 內(nèi)力的作用而使面積、體積、數(shù)量等變 大；也可以用于抽象事物。 extend用于具體事物，expand多是抽象事物。管道設(shè)施的架設(shè)延伸，就用extend;市場(chǎng)的擴(kuò)大延伸，就是expand。,.,2,extend vi/vt. 1. 延續(xù)，持續(xù)（to continue to happen or exist for a certain period of time); The tourist season

2、extends from May till October. 旅游季節(jié)從五月延續(xù)到十月 2. 延長(zhǎng)，推延（to increase a period of time that has been agreed ,especially in order to finish a job or pay money that you owe) Cant you extend your visit for a few days? 你們?cè)L問(wèn)的時(shí)間不能延長(zhǎng)幾天嗎? 3.擴(kuò)大；延長(zhǎng)建筑或道路等（to continue for a particular distance or over a particular a

3、rea)； 。,.,3,4. 伸開(kāi)，舒展（to stretch out a part of your body) He extended his hand in greeting.他伸出手來(lái)表示歡迎。 5. 提供，給予，表示（help,sympathy,thanks etc)(+to) I would like to extend a warm welcome to our visitors. 我想對(duì)我們的來(lái)訪者表示熱烈的歡迎 6.使竭盡全力（to make someone use all their strength , intelligence etc,in order to archie

4、ve good results) 7.延伸，擴(kuò)大（if you extend your control,influence etc or if it extends over sth. ,it becomes more powerful),.,4,expand vt./vi 1. 展開(kāi),張開(kāi)(帆,翅等) The eagle expanded its wings. 老鷹展開(kāi)翅膀。 2. (使)膨脹/擴(kuò)張 Water expands when it freezes. 水結(jié)冰時(shí)體積膨脹。 A tire expands when you pump air into it. 輪胎打了氣就會(huì)脹大。 3.

5、擴(kuò)大,增強(qiáng)(to become greater in size,number,or amount,or importance) In ten years the citys population expanded by 12%. 十年之中,該城人口增加了百分之十二。 Student numbers are expanding rapidly. expand ones words/expand the local airport 擴(kuò)建機(jī)場(chǎng),.,5,4.(使）業(yè)務(wù)擴(kuò)展（if a company ,business etc expands or if someone expands it,they

6、open new shops,factories etc) He is thinking of expanding his business. 他正考慮擴(kuò)展他的生意。 expanding economy不斷發(fā)展的經(jīng)濟(jì) The coffee shop may expand into a full restaurant. 那家咖啡店將可能擴(kuò)展成為一家完善的餐館 We have plans to expand into the US market. 我們打算擴(kuò)展業(yè)務(wù)進(jìn)入美國(guó)市場(chǎng)。 5. 增加活動(dòng)量；擴(kuò)展活動(dòng)范圍（to increase the amount or range of an activi

7、ty) 6. 詳細(xì)說(shuō)明(+on/upon) They have expanded my view on the question. 他們已更充分地闡明了我對(duì)這個(gè)問(wèn)題的觀點(diǎn)。,.,6,expand/enlarge/widen 可接view/mind/knowledge ； knowlege的擴(kuò)大不是在一個(gè)方向上，所以只能用expand/enlarge/widen expand/swell 均可表示膨脹， extend 多指(如meeting/visit/visa/stay)在時(shí)空上的延展； expand 指范圍的擴(kuò)張(如telephone network/knowledge)； enlarge

8、指擴(kuò)大物體(如house/photograph)的尺寸、范圍和體積； stretch指身體四肢(如hand/leg/neck 等)的伸展； multiply 指數(shù)量的成倍增加； widen 著重指增加某物的寬度,.,7,1.Because the company was doing more business it was necessary to_the factory. A).expand B).extend C).increase D).grow 由于公司的生意越做越大，因此有必要將工廠(建筑)擴(kuò)建. 2.After some further discussion between Kitty and Tammy about_ the village school system to other communities around Hebe, Kitty and I