| 短文改错。 |
| Throughout history man has changed their physical environment in order to improve his way of life. With the tools of technology that he has changed many physical features of the earth. Thus, man's changes to the physical environment has not always had beneficial results. Today, pollution of the air and water is a increasing danger to the health of the planet. Like we know, massive destruction of environment has brought in negative effects and even formed a great threat to man's existence. Therefore, effective measures should be taken and laws pass to conserve environment. Otherwise, man is certain to suffer the serious consequences causing by this lack of care for his living surroundings. ________________________________________________________________________________________ |