【正文】 the spilt milk. 覆水難收。It has been a few decades since the puter came into being. 自從計算機(jī)問世以來已經(jīng)有幾十年的時間了。五、假設(shè)句If we destroy old buildings, then we will ruin the traditional culture and heritage. 如果我們推倒老房子，就要破壞傳統(tǒng)的文化和遺產(chǎn)。You would miss the chance to interact with other students if you used internet at home. 假如你在家上網(wǎng)，你就會失去與其他同學(xué)交流的機(jī)會。Once you change your present job, you will be faced with the danger of being unemployed. 一旦你變換了現(xiàn)在的工作，就面臨著失業(yè)的危險。六、倒裝句 Only in this way can the problem be tackled properly. 只有這樣才能妥善地解決這個問題。Only when children take arduous efforts can they bee successful. 只有當(dāng)孩子們付出艱苦的努力他們才能獲得成功。Not only does studying in school serve academic purpose, but students learn how to handle interpersonal relations. 在校學(xué)習(xí)不僅為了學(xué)術(shù)目的，而且還可以學(xué)會如何處理人際關(guān)系。Under no circumstances should youngsters follow negative information on mass media blindly. 青少年決不應(yīng)當(dāng)盲從大眾媒體上的不良信息。So valuable is water that we cannot afford to waste it. 時間是如此珍貴，我們經(jīng)不起浪費(fèi)它。Nowadays, most dangerous for youngsters is the tendency to indulge in playing PC games. 如今對青少年最為危險的事情是傾向于過多地玩電腦游戲。七、強(qiáng)調(diào)句It is for the benefit of maintaining the ecological balance that human beings ought to protect the endangered animal ，人類才應(yīng)該保護(hù)地球上瀕危的動物物種。It is not until people suffer from some fatal diseases such as SARS and AIDS that they are being aware of how significant it is for the government to invest more money in medical care. 直到人們患了像非典和愛滋病這樣致命的疾病時，才意識到政府把更多的錢投入到醫(yī)療上的重要性。Nothing in the world is more valuable than health. 世界上沒有比健康更重要的了。八、比較句Studies show that juvenile delinquency rates are twice as high for youngsters from singleparent families as for those in traditional households. （同級比較）研究表明來自單親家庭的青少年犯罪率是來自傳統(tǒng)家庭的兩倍。Generally speaking, people in modern times enjoy less leisure time than they did previously. （比較級）一般說來，現(xiàn)代人比過去享有更少的休閑時間。Compared with those with different abilities, children with intelligence do more well in their school work and intelligence tests. 與不同能力的孩子相比，聰明的孩子在學(xué)業(yè)和智力測驗(yàn)方面表現(xiàn)更加突出。Contrary to pop stars, other professionals like doctors and teachers create the true value for their society. 與明星不同，其他專業(yè)人員如醫(yī)生和教師為社會創(chuàng)造了真正的價值。Air is to human what (as) water is to fish. 空氣對人類就如同水對魚一樣。九、插入語Computers, most important of all, create wide munication around the world. 最重要的是，計算機(jī)在世界范圍內(nèi)建立了廣泛的交流。Providing more parking areas, in the long run, has proved to be a practical way out in many large cities in the world. 從長遠(yuǎn)的利益來看，提供更多的停車位證明是許多世界大城市切實(shí)可行的出路。Observing local culture, consciously and unconsciously, can reduce the chance of offending the locals, or it will lead to the embarrassment and even conflict. 無論是否意識到，遵循當(dāng)?shù)氐奈幕梢詼p少冒犯當(dāng)?shù)厝说臋C(jī)會，否則，就會導(dǎo)致尷尬甚至沖突。Space exploration, some people believe, will bring some unexpected discoveries. 有人相信空間探索將會帶來意想不到的發(fā)現(xiàn)。十、原因句Violent films can do harm to young people, because they contains numerous negative information. 暴力影片對年輕人是有害的，因?yàn)槠渲邪罅控?fù)面信息。Human beings are chiefly responsible for wild animal extinction. 野生動物滅絕的主要責(zé)任在人類。We should attribute (ascribe)medical advances to the animals which do substantial contributions to the experiment. 我們應(yīng)該把醫(yī)學(xué)的發(fā)展歸因于動物對實(shí)驗(yàn)做出的巨大貢獻(xiàn)。Because of overpopulation, water shortage has bee one of the most serious problems. 由于人口過剩，水短缺已經(jīng)成為一個最嚴(yán)重的問題。Owing to the fierce petition in today’s world, a great many young people find themselves under great pressure. 由于當(dāng)今世界的激烈競爭，大量的年輕人承受巨大的壓力。寧可累死在路上，也不能閑死在家里！寧可去碰壁，也不能面壁。是狼就要練好牙，是羊就要練好腿。什么是奮斗？奮斗就是每天很難，可一年一年卻越來越容易。不奮斗就是每天都很容易，可一年一年越來越難。能干的人，不在情緒上計較，只在做事上認(rèn)真；無能的人！不在做事上認(rèn)真，只在情緒上計較。拼一個春夏秋冬！贏一個無悔人生！早安！—————獻(xiàn)給所有努力的人.學(xué)習(xí)