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- 英语四级阅读理解模拟题及答案详解6
- Cancer is feared by everyone. And this fear is reaching epidemic(流行性) proportions. Not the disease itself — there is no such thing as a cancer epidemic. Except for lung c...
2011-12-13 英语四级阅读资料 -
- 英语四级阅读理解模拟题及答案详解5
- After the violent earthquake that shook Los Angeles in 1994, earthquake scientists had good news to report: The damage and death toll(死亡人数) could have been much worse. More th...
2011-12-13 英语四级阅读资料 -
- 英语四级阅读理解模拟题及答案详解4
- Americans are proud of their variety and individualty, yet they love and respect few things more than a uniform. Why are uniforms so __1__ in the United States?
Among the arg...
2011-12-13 英语四级阅读资料 -
- 英语四级阅读理解模拟题及答案详解1
- As is known to all, the organization and management of wages and salaries are very complex. Generally speaking, the Accounts Department is __1__ for calculations of pay, while the...
2011-12-13 英语四级阅读资料 -
- 英语四级阅读理解模拟题及答案详解3
- As the pace of life continues to increase, we are fast losing the art of relaxation. But relaxation is __1__ for a healthy mind and body. Stress is a natural part of everyday...
2011-12-13 英语四级阅读资料 -
- 英语四级阅读理解模拟题及答案详解2
- The typical pre-industrial family not only had a good many children, but numerous other dependents as well---grandparents, uncles, aunts and cousions. Such "extended" families wer...
2011-12-13 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Muscles and Human Body
- Muscles and Human Body
It is in the joints of the human body that movements of the bones take place. The movement itself is caused by the pull of sheets and cords of very toug...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Animals' Compasses
- Animals' Compasses
Researchers have found that migrating animals use a variety of inner compasses to help them navigate. Some steer by the position of the Sun. Others navig...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Skyscrapers and Environment
- Skyscrapers and Environment
In the late 1960's, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were wide...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Colds and Age
- Colds and Age
A critical factor that plays a part in susceptibility to colds is age. A study done by the University of Michigan School of Public Health revealed particulars tha...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——A Rare Fossil Record
- A Rare Fossil Record
The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or de...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——The War between Britain and France
- The War between Britain and France
In the late eighteenth century, battles raged in almost every corner of Europe, as well as in the Middle East, South Africa, the West Indies,...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——The Nobel Academy
- The Nobel Academy
For the last 82 years, Sweden's Nobel Academy has decided who will receive the Nobel Prize in Literature, thereby determining who will be elevated from th...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Children's Numerical Skills
- Children's Numerical Skills
People appear to be born to compute. The numerical skills of children develop so early and so inexorably that it is easy to imagine an internal...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Evolution of Sleep
- Evolution of Sleep
Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Modern American Universities
- Modern American Universities
Before the 1850's, the United States had a number of small colleges, most of them dating from colonial days. They were small, church connected...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——电
- Electricity
The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what life would be...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Collectibles
- Collectibles
Collectibles have been a part of almost every culture since ancient times. Whereas some objects have been collected for their usefulness, others have been selected...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——The Historical Significance of American Revolution
- The Historical Significance of American Revolution
The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt t...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——The Origin of Sports
- The Origin of Sports
When did sport begin? If sport is, in essence, play, the claim might be made that sport is much older than humankind, for, as we all have observed, the bea...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——International Business and Cross-cultural Communication
- International Business and Cross-cultural Communication
The increase in international business and in foreign investment has created a need for executives with knowledge of for...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Movie Music
- Movie Music
Accustomed though we are to speaking of the films made before 1927 as "silent", the film has never been, in the full sense of the word, silent. From the very begin...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Henry Ford
- Henry Ford
Although Henry Ford's name is closely associated with the concept of mass production, he should receive equal credit for introducing labor practices as early as...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Piano
- Piano
The ancestry of the piano can be traced to the early keyboard instruments of the fifteenth and sixteenth centuries -- the spinet, the dulcimer, and the virginal. In the...
2011-11-25 英语四级阅读资料 -
- 英语四级考试备考晨读美文——Scientific Theories
- Scientific Theories
In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists pictu...
2011-11-25 英语四级阅读资料
