1. 环境污染的影响 Environment destruction/contamination is a problem that can't be neglected: The contaminated air may damage people's health; the polluted water could poison creatures living in the water; soil contamination ,resulting from the over use of chemical fertilizers and pesticides, is anther major hazard to people's health. 2. 坚持的重要性 Persistencecan make impossible possible. Helen Keller, she was born blind and deaf.However，throughout all her life， she never lost her heart. Instead，shepersist in learning how to read and write not matter how hard it is for her.Finally, he became a well-known writer throughout the world. 3. 啃老族 Low income and enormous living pressure are the biggest obstacles for current young generation to fulfill their duty, but young people shouldn't use the two factors as excuses for over-dependence on their parents.In stead, they should endeavor to earn a better living and assume the responsibility to ensure their parents a comfortable and relaxed life. 4. 就业难 Firstly, college students should realize their own defects and further improve themselves to keep their competitive edgein society. Moreover, colleges or universities should provide more trainings and internship opportunities before the students enter society. Only through these ways can the college students find a satisfactory and ideal job and have a brighter future. 5. 抽烟 For：(means agree or advantages) 1. it is pleasurable and relaxing 2. it is one's right 3. it is difficult to stop smoking 4. it makes socializing easier 5. it is an important source of tax revenue Against：(means disagree or disadvantages) 1. it is harmful to one's health (e.g., heart disease, bronchial trouble, lung cancer ) 2. it is harmful to those nearby 3. it is addictive (i.e., nicotine)
