22/200 来源： www. examda.com In the United States, it is not customary to telephone somenone very early in the morning. If you telephone him early in the day, while...详细内容
21/200 Flying over a desert area in an airplane, two scientists looked down with trained eyes at trees and bushes. After an hours flight one of the scientists wrote in his bo...详细内容
20/200 One of the qualities that most people admire in others is the willingness to admit ones mistakes. It is extremely hard sometimes to say a simple thing like "I was w...详细内容
19/200 Water problems in the future will become nore intense and more complex. Our increasing population will tremendously increase urban wastes,primarily sewage. On the othe...详细内容
17/200 On Thursday afternoon Mrs. Carke, dressed for going out, took her handbag with her money and her key in it, pulled the door behind her to lock it and went to the over ...详细内容
18/200 Many people believe the glare from snow causes snowblindnenss. Yet, dark glasses or not , they find themselves suffering from headaches and watering eyes,and even s...详细内容
15/200 Newdays,a standard for measuring power has changed.These changes foretell a new standard for measuring power.No longer will a nations political influence be based sole...详细内容
16/200 Trees should only be pruned when there is a good and clear reason for doing so and , fortunately,the number of such reasons is small. Pruning involves the cutting away...详细内容
14/200 The United States is on the verge of losing its leading place in the worlds technology. So says more than one study in recent years. One of the reasons for this declin...详细内容
New Orleans, Louisiana, was established as part of the French Empire in 1718. Its location on the east bank of the Mississippi River gave it control of the American hinerl...详细内容
Social customs and ways of behaving change. Things which were considered impolite many years ago are now acceptable. Just a few years ago, it was considered impolite behaviour ...详细内容
If the population of the earth goes on increasing at its present rate, there will eventually not be enough resources left to sustain life on the planet.By the middle of ...详细内容
What is your favourite colour? Do you like yellow , orange ,red? If you do ,you must be an optimist, a leader, an active person who enjoys life, people and excitement. Do you p...详细内容
As she walked round the huge department store,Edith reflected how difficult it was to choose a suitable Christmas present for her father.She wish that he was as easy to please ...详细内容
There are two factors which determine an individuals intelligence. The first is the sort of brain he is born with. Human brains differ considerably, some being more capable tha...详细内容
In the 1960s, many young Americans were dissatisfied with American society. They wanted to end the Vietnam War and to make all of the people in the U.S. epual. Some of them dec...详细内容
