people, whether it is a primary language-based activity such asshouting, chatting, lecturing or writing, or a linguistic activity suchas gazing, whistling or even fist fighting, that is often accompaniedby language use.<br> 练习184短文改错练习（4）<br> America has been called a democracy since its independencemore than 200 years ago. However, at that time, only men werepermitted to vote. Only men could own land and practicedmost professions. Women could not get a higher educationand hold public office. Woman's place was considered to be at home.Working women were common. They usually had poor jobs anda little respect. Through the history of our country, many Americanwomen worked to reduce the restriction that society placed on them.They have met opposition. Slowly, however, the opportunities forwomen have increased. Colleges and universities were established forwomen. Later women were admitted to schools originally establishingonly for men.<br> In the early part of the century, America women were finallyallowed to vote. During and since World War Two, American womenhave become a considerate part of the American work force. Today,many women in America hold important positions or are pursuingcareers that they could not pursue in the past. But many women aresatisfied with the current situation. They point out that women areoften paid fewer than men for the same work they do. The top positionin nearly all fields are still overwhelmingly held by men. In manyways, a woman's life is still dominated by their father and husband.<br> 练习185短文改错练习（5） <br> The concern of some environmental scientists that the increasinglevel of carbon dioxide in the earth's atmosphere will raise globaltemperatures until the midlatitudinal regions become steamingjungles are open to question. Contending scientists are correct thatthe concentrating of carbon dioxide, due to automobile exhaust, forexample, is increasing. Through the absorption and re-radiation ofinfrared radiation, carbon dioxide does warmer the atmosphere.Unfortunately, indirect effects that these scientists have not.
展开
