為了幫助考生更好的備考托福寫作，出國留學網托福欄目為大家?guī)?ldquo;關于霧霾話題托福寫作材料”，希望對大家有所幫助哦!
    分析霧霾成因的材料文字可用于環(huán)保類、健康類、人類與自然關系類的作文。貼合現實、與時俱進，這才是逼格高的文章!
    Research shows the burning of coal to provide central heating is one of the main reasons for the increase of particulate matter in the atmosphere which causes smog.
    研究表明采用燒煤的方式提供中央供暖是造成大氣中微粒物質增加的主要原因之一;而微粒物質是引起霧霾的罪魁禍首。
    Fossil fuels account for as high as about 90 percent of all energy sources in China, which is the highest in the world. Worse, coal accounts for 65 percent of China's total energy consumption while the share of natural gas is just 6 percent. In contrast, the percentage of coal and natural gas is about 32 and 24 in the US. Consider this: to produce the same amount of heat, coal lets off double the volume of emission than natural gas.
    在中國，高達90%的能源均來自于化石燃料，這也是全球最高的比例。更糟糕的是，煤炭占到了中國全部能源消耗的65%，而天然氣僅占6%。相比之下，煤炭和天然氣在美國的能源消耗中分別占到了32% 和24%。我們需要考慮這一事實：在產生相等熱量的條件下，煤炭的污染物排放量兩倍于天然氣。