摘要：Otzi,the 5000-year old mummy pulled from a glacier in the Tyrolean Alps in 1991,was apparently not in the best of health before he succumbed to the cold of the mountainside.The first X-rays of the mummified body show that he suffered from painful arthritis,multiple rib fractures and hardening of the arteries.
摘要：不定式符号to和原形动词之间加上一个副词,就构成分裂不定式(Split Infinitive)。由于副词在句子中的位置比较灵活,也由于我们不习惯于这种不定式的分裂状态,所以在翻译和写作时常常避免使用分裂不定式。在某些情况下,这种做法则会使英语句子不通顺,不能准确表达思想,甚至产生歧义。比如翻译汉语句子“他答应迅速完成队长指定给他的工作”就应该译成分裂不定式:“He promised to quickly finish tile job that was assigned to him by his team lead-
摘要：Shana Collier, 17, is running fast; a hungry pterodactyl is on her trail. She ducks behind a giant pillar and waves her arms to ward off the predator. but it’s too late. One more teen becomes prehistoric pet food. Sound like a bad dream? Actually, it’s Dactyl Nightmare, a new arcade game that employs the technology of virtual reality(VR).Virtual reality uses
摘要：as...as这一结构通常是将两人或两个事物所具有的共同特征进行比较,说明其程度相同。其中的第一个as为副词,第二个as为连接词,引导一个省略的从句,通常省略与主句相同的部分或在特定上下文或情景中某些不言而喻的部分。具体地说,可以省略从句中的主语、谓语(或部分谓语)、表语,甚至主、谓语一齐省略。如果从句是复合句还可省去其中的that从句或整个主句。例如: Some scientists believe that some day one-man submarines will be as nu-
摘要：what引导名词性定语从句作主语、宾语或表语时,大致有以下几种含义: 1.意为the thing(s)that: We cannot do what you asked of us.我们办不到你求我们的事。 These tools are just what I need for the job.这些工具正是我做这工作需要的。 2.意为"the person that": He is not what be was.他不是过去那样了。
摘要：be of+n.是英语中常见句型,但它与不同的词语搭配时具有各种不同的意义。 1.be of+n.=be+adj.表语部分对主语加以描述,表示主语具有保种性质,所以of后常为抽象名词。 The telescope is of great help in the study of heavenly bodies.(=is very belpful)望远镜在天体研究中起了很大作用。 This method is of much benefit to the buyer.(=is very beneficial)这一方法对买主很有益。 常见的还有:be of importance=be important;be of value=be valuable;be
摘要：Suppose you make your parents so happy,they decide to have another baby just like you.It might be flattering,but how would you feel about having a little brother or sister who is also your twin? A laboratory experiment conducted last fall suggests it may someday be possible.For the first time ever,scientists made exact copies, or clones, of a human embryo.
摘要：Brain tumours could be cured by a tiny probe that heats cancer cells when inserted into the skull.The heat causes the tumour to coagulate, leaving the dead tissue to be removed by the body’s natural processes. Surgeons can operate the probe with enough precision not to damage healthy areas of the brain around the tumour.Brain tumours are normally treat-
摘要：Many everyday tasks are difficult—even impossible for people confined to wheelchairs.Now a unique house near Baltimore,Md., demonstrates how technology can make a building truly accessible. Developed by Volunteers for Medical Engineering in conjunction with several nonprofit organizations, Future Home takes advantage of off-the-shelf electronic controls that operate nearly all electrical and mechanical systems.
摘要：同位语出现时,可以没有标志,如:Shanghai,once the paradise for adventurers,is now the largest industrial base in China.(上海,曾经是冒险家的乐园,现在是中国最大的工业基地。)但也可以有标志,这些标志一般位于同位语前面,少数可前可后,个别只能放在后面。现对这些标志介绍如下,以供读者参考。 一、句子 如let us say,that is(to say)。
摘要：If, while traveling through Transylvania on a dark and stormy night, you should take shelter in a gloomy castle and encounter a man in a black cape who says,"I vant to sock your blot," you would have a pretty good idea what be’s saying,even though he said "vant" instead of"want" and "sock" instead of "suck. " But if he had said something that sounded like "Ivan tsic your blot,"
摘要：请看下面这个句子: Bread vnd butter is what they usually have for breakfast. 不少同学对于这句话中谓语动词用is而不用are弄不清楚,究竟是用错了还是另有原因呢?这就涉及到and的一种特殊用法。当and用来连接两个名词时,如果这两个名词实际上指的是一件东西,或者是有双重身分的同一个人,这时应将由and连接的两个名词看作一个整体,谓语动词用第三人称单数形式。例如:
摘要：In the early 14th century,Europeons used guns in battle for the first time. The secret was gunpowder,a volatile mixture of chemicals that exploded when lit. Since then,all guns have relied on gunpowder or other chemical propellants.
摘要：Questions 21 to 25 are based on the following passage: The physicist investigating the relationship between time and space, the chemist exploring the properties of a new substance, the biologist probing the mysteries of the continuity of life,and the anthropologist searching for human
摘要：Vicki Van Meter,a 12-year-old trom Meadville,Pennsylvanta, soared into the record books last summer as the youngest girl to pilot a plane across the Atlantic Ocean. "I did all the flying, navigations, and communications," Vicki says. Vicki’s skill comes from experience.She’s been flying since she was 10. "1
摘要：Ever since the nitrogen-fixing properties of legumes were discovered more than a century ago, scientists have dreamt of transferring the same trait to cereals. Now they might finally have succeeded. A team of scientists from Britain, Australia, China and Mexico has found
摘要：A typical food-processing plant produces about 500,000 gallons of waste water daily. Laden with organic compounds, this water usually is evaporated or discharged into sewers.A better solution is to filter the water through