托福备考之写作必背的加分句式

 　　一、倒装句

　　1.Only in this way can the problem be tackled properly.

　　只有这样才能妥善地解决这个问题。

　　2.Only when children take arduous¹ efforts can they become successful.

　　只有当孩子们付出艰苦的努力他们才能获得成功。

　　3.Not only does studying in school serve academic purpose, butstudents learn how to handle interpersonal relations.

　　在校学习不仅为了学术目的，而且还可以学会如何处理人际关系。

　　4.Under no circumstances should youngsters follow negative informationon mass media blindly.

　　青少年决不应当盲从大众媒体上的不良信息。

　　5.So valuable is water that we cannot afford to waste it.

　　时间是如此珍贵，我们经不起浪费它。

　　6.Nowadays, most dangerous for youngsters is the tendency to indulgein playing PC games.

　　如今对青少年最为危险的事情是倾向于过多地玩电脑游戏。

　　二、强调句

　　1.It is for the benefit of maintaining the ecological² balance thathuman beings ought to protect the endangered animal species.

　　正是为了维持生态平衡，人类才应该保护地球上濒危的动物物种。

　　2.It is not until people suffer from some fatal diseases such as SARSand AIDS that they are becoming aware of how significant it is for thegovernment to invest more money in medical care.

　　直到人们患了像非典和爱滋病这样致命的疾病时，才意识到政府把更多的钱投入到医疗上的重要性。

　　三、比较句

　　1.Studies show that juvenile³ delinquency rates are twice as high foryoungsters from single-parent families as for those intraditional households. (同级比较)

　　研究表明来自单亲家庭的青少年犯罪率是来自传统家庭的两倍。

　　2.Generally speaking, people in modern times enjoy less leisure timethan they did previously⁴. (比较级)

　　一般说来，现代人比过去享有更少的休闲时间。

　　3.Compared with those with different abilities, children with intelligencedo more well in their school work and intelligence tests.

　　与不同能力的孩子相比，聪明的孩子在学业和智力测验方面表现更加突出。

　　4.Contrary to pop stars, other professionals like doctors and teacherscreate the true value for their society.

　　与明星不同，其他专业人员如医生和教师为社会创造了真正的价值。

　　5.Air is to human what (as) water is to fish.

　　空气对人类就如同水对鱼一样

　　四、插入语

　　1.Computers, most important of all, create wide communication aroundthe world. 最重要的是，计算机在世界范围内建立了广泛的交流。

　　2.Providing more parking areas, in the long run, has proved to be apractical way out in many large cities in the world.

　　从长远的利益来看，提供更多的停车位证明是许多世界大城市切实可行的出路。

　　3.Observing local culture, consciously and unconsciously, can reducethe chance of offending the locals, or it will lead to the embarrassment⁵ andeven conflict.

　　无论是否意识到，遵循当地的文化可以减少冒犯当地人的机会，否则，就会导致尴尬甚至冲突。

　　4.Space exploration, some people believe, will bring some unexpecteddiscoveries.

　　有人相信空间探索将会带来意想不到的发现。

　　五、原因句

　　1.Violent films can do harm to young people, because they containsnumerous negative information.

　　暴力影片对年轻人是有害的，因为其中包含大量负面信息。

　　2.Human beings are chiefly responsible for wild animalextinction.

　　野生动物灭绝的主要责任在人类。

　　3.We should attribute (ascribe)medical advances to the animals whichdo substantial contributions to the experiment.

　　我们应该把医学的发展归因于动物对实验做出的巨大贡献。

　　4.Because of overpopulation, water shortage has become one of the mostserious problems.

　　由于人口过剩，水短缺已经成为一个最严重的问题。

　　5.Owing to the fierce competition in today’s world, a great many young peoplefind themselves under great pressure.

　　由于当今世界的激烈竞争，大量的年轻人承受巨大的压力。

1 arduous   

adj.艰苦的，费力的，陡峭的

参考例句：

• We must have patience in doing arduous work.我们做艰苦的工作要有耐性。
• The task was more arduous than he had calculated.这项任务比他所估计的要艰巨得多。

2 ecological   

adj.生态的，生态学的

参考例句：

• The region has been declared an ecological disaster zone.这个地区已经宣布为生态灾难区。
• Each animal has its ecological niche.每种动物都有自己的生态位.

3 juvenile   

n.青少年，少年读物；adj.青少年的，幼稚的

参考例句：

• For a grown man he acted in a very juvenile manner.身为成年人，他的行为举止显得十分幼稚。
• Juvenile crime is increasing at a terrifying rate.青少年犯罪正在以惊人的速度增长。

4 previously   

adv.以前，先前（地）

参考例句：

• The bicycle tyre blew out at a previously damaged point.自行车胎在以前损坏过的地方又爆开了。
• Let me digress for a moment and explain what had happened previously.让我岔开一会儿，解释原先发生了什么。

5 embarrassment   

n.尴尬；使人为难的人(事物)；障碍；窘迫

参考例句：

• She could have died away with embarrassment.她窘迫得要死。
• Coughing at a concert can be a real embarrassment.在音乐会上咳嗽真会使人难堪。