According to the latest research in the’ United States of America, men and women talk such different languages that it is like people from two different cultures trying to communicate. Professor Deb
In the last two hundred years there have been great changes in the method of production of goods. This is now also true of the building industry; for mechanization has been introduced. System building
The “standard of living“ of any country means the average person’s share of the goods and services which the country produces. A country’s standard of living, therefore, depends first and fore
The destruction of our natural resources and contamination of our food supply continue occur, largely because of the extreme difficulty in affixing (把…固定) legal responsibility on those who con
We sometimes think humans are uniquely vulnerable to anxiety, but stress seems to affect the immune defenses of lower animals too. In one experiment, for example, behavioral immunologist (免疫
阅读文章：I live in the land of Disney， Hollywood and year-round sun. You may think people in such a glamorous， fun-filled place are happier than others. If so， you have some mistaken ideas
Recent research has claimed that an excess of positive ions in the air can have an ill effect on people‘s physical or psychological health. What are positive ions? Well， the air is full of ions
Once it was possible to define male and female roles easily by the division of labor. Men worked outside the home and earned the income to support their families， while women cooked the meals and to
Section CDirections: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are .four choices marked A), B) , C) and D). You
Questions1to5are based on the following passage.The “paperless office“ has earned a proud place on lists of technological promises that did not come to pass. Surely, though, the more modest goal o