下面是某高三学生的一篇书面表达。请结合生活中的一个事例,用英语写一篇短文,谈谈微笑的作用。 It used to smile face to life. that it can help us soluion solution many difficult. which you meeting friend. A smile is greating. Which you need helping. you give sth smiles to others, others more happied help you. Smile is best exchange sl way. It is best relative to others. when others are angreed to me, we smile and apologise for others, they are quickly foreign me our. A smile can open doors and tear down walls. When you don't know others. you only give a smiles that others can rela realized your friendships. A smile can develop people and people betteun relation. If you knows a new friends, you must first you must gives smile for you he or her. Smiles let our life change more and more beautiful. Please remember a smiles every day. 根据以上所给信息,从下列三个方面作答,中方作答即可: 该学生的书面表达存在哪三个方面主要内容?(12) 反映了该生英语学习中的哪些不足?(12) 教师应从哪些方面帮助学生提高写作能力?(6)