【正文】
With the development of economics as well as the improving life standard, more and more people possess private cars. As each coin has two sides, there are also disadvantages in such a trend. First of all, the air and noise pollution is undoubtedly going from bad to worse. The poisonous gas the private cars send out is not only of great harm to the environment around us, but to our human bodies as well, especially to the respiratory systems. Private cars, of their owners most are new drivers, meanwhile, are consequently easy to result in traffic jams or even accidents. You can imagine how worrying the situation can be when you are in a hurry! Such being the case, some immediate measures must be taken to prevent it in my opinion. For instance, we should pay more attention to the environmental protection to refresh the air, if possible, to reduce the noise level. It is expected that more advanced technology can make it a reality to replace the poisonous gas with one which both saves energy and causes no harm, thus making our daily life more satisfying!此資料由網(wǎng)絡(luò)收集而來(lái),如有侵權(quán)請(qǐng)告知上傳者立即刪除。The Importance of Physical Exercises It is reported that the health of young people in China, college students in particular, is not as good as is supposed to be. There are many reasons for this fact, but the main reason is that many people ignore the importance of physical exercises. Why, then, are physical exercises so important to our health? First, physical exercises can improve blood circulation, speeding up the supply of nutrients and oxygen to every part of the body and the removal of waste from the blood through sweating and exhalation. Secondly, physical exercises can promote a healthy metabolism. It helps with the digestion and absorption of food, thus giving everyone a good appetite. Thirdly, physical exercise can help consume excessive fat in the body, preventing people from putting on too much weight, thus keeping them in good shape. Finally, after physical exercises we