【正文】 hit by smog frequently, which has aroused great concern among people. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________【答案】　　In recent years, many cities in China have been hit by smog frequently, which has aroused great concern among people.　　Smog has a bad effect on people’s health. Many people, children and the old in particular, suffer from illnesses caused by smog. Consequently, citizens are warned not to go out without wearing masks. 　　How does it e about? Scientists have found that it is human activity that has caused this. The poisonous matters in the air mainly e as a result of people’s burning coal, driving cars, industry production and so on.　　What should we do to stop the situation from worsening? First, cleaner fuels for cars and stricter emission standards for factories are of vital importance. Second, for us individuals, living a green life like going to work or school by public transport is a good choice. 　　Also planting more trees to increase green areas is necessary. I believe every contribution counts. Only if we work together will smog weather disappear pletely. 【解析】【詳解】這篇作文要求我們根據(jù)提示來介紹有關(guān)霧霾的情況，題目中給出了寫作的內(nèi)容，我們應(yīng)將這些內(nèi)容用正確的英語表達(dá)出來。霧霾天氣引起大家極大的關(guān)注。做到：要點(diǎn)要全，表達(dá)要清晰明確，使用短語，句型要準(zhǔn)確，注意避免拼寫和語法錯(cuò)誤?！军c(diǎn)睛】這類作文的寫作方法要注意認(rèn)真審題，可以分三段寫：贊成；反對(duì)；你的看法。文章要有層次、流暢?！驹斀狻勘酒魑囊笞髡呔蜕暇W(wǎng)交友發(fā)表意見，寫作之前要認(rèn)真閱讀所給提示，確定文章中心。Nowadays many teenagers show great interest in making friends online. Some people think___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________【答案】Nowadays many teenagers show great interest in making friends online. Some people think students should make friends on line? Some people say yes. The internet helps make many friends. Chatting on line, students can more freely express their feelings and opinions, and even get help with their foreign language studies. But others think students should not. They say making friends on line is a waste of time, which shoul