【文章內(nèi)容簡介】
ce inhaled, the tiny particles can make people more vulnerable to respiratory infections, as well as leading to increased mortality from lung cancer and heart disease. We all know that losing a family member is how sorrowful, so haze may destroy not only a person, butalso a family. Second, a number of foreigners won’t go to China for travelling because of haze, which will bring a loss to our economic. Third, the decline of economic will in turn weaken national power. After all, economic decides politics and culture. In this way, it will be difficult for us to make China Dream e true.Fog and haze are killer for patients with cardiovascular disease, especially for those who with respiratory and cardiovascular diseases, the elderly. They had better not go out, nor do morning exercises, otherwise, it may induce the disease, or a heart attack, even causing lifethreatening. Experts point out that the reason why fog and haze are dangerous days for patients with cardiovascular disease is that the air pressure is low, oxygen decreases in the air when there is haze, so its easy to feel tightness in chest. The wet morning mist is cold, which can easily lead to fluctuations in blood pressure, vascular spasm, cardiac load and so on. Meanwhile, some pathogens can cause headaches fog, and even induce high blood pressure, stroke and other diseases. Therefore, to avoid danger, people with cardiovascular disease, especially the elderly and infirm, should not go out or do morning exercise in the haze day.In one word, haze is harmful to everyone and everything. And the harm can be direct or indirect, so it is difficult for us to escape from it. Realizing the harm, we ought to find out the reasons and take relative steps to prevent it.The reasons for hazePollution in China is now so bad that it threatens to obscure the vision being laid out by Xi Jinping, the new president. Mr. Xi has popularised the idea of a Chinese dream, an obvious foil to the American drea