Unit 6 Earth first 写作精讲-2026-2027学年高中英语必修第二册单元话题写作精讲（外研版）

高中 外研版·必修第二册 Unit6 Earth first导作精讲 Writing a persuasive letter(写劝说信) Unit6 Earth first-写作精讲 单元：Unit6 Earth first写作任务：Writing a persuasive letter(写劝说信) 审题 1 话题：围绕环保主题，劝说他人采取行动或改变观点（如减少塑料使用、节约能源、参与 地球一小时等) 2 体裁：书信类应用文（劝说信） 3人称：以第二人称you为主，辅以第一人称I 4 时态：以一般现在时、一般将来时为核心时态 5 字数要求：高考标准100-120词 6核心要点：表明写信目的（劝说对象做某事）、给出2-3条有说服力的理由、表达呼吁与 期望 文章结构 1 开头段：礼貌问候+点明写信目的（值接说明要劝说对方做什么事） 2 主体段：分条阐述理由，每条理由搭配具体例证或影响，用连接词衔接，逻辑清 晰 3 结尾段：再次呼吁行动，表达信心与期望，收尾符合书信格式 三、核心词句 1.核心词汇 词汇 释义 persuade V.劝说；说服 convince V.使信服 environmental adj,环境的 pollution n.污染 reduce V.减少；降低 recycle V.回收利用 protect V.保护 sustainable adj.可持续的 2.常用短语 短语 释义 make a difference 有所作为；产生影响 take action 采取行动 cut down on 削减；减少使用 be friendly to the environment 对环境友好 do harm to 对.有害 raise one's awareness of 提高.…的意识 it's high time that... 是时候… (虚拟语气) call on sb.to do sth. 呼吁某人做某事 3.基础造句 1 I am writing to persuade you to take part in the Earth Hour event. 我写信是为了说服你参加地球一小时活动。 2First of all,using fewer plastic bags can greatly reduce white pollution. 首先，少用塑料袋能大大减少白色污染。 3 Recycling not only saves resources but also protects our planet. 回收不仅节约资源，还能保护我们的地球。 4If everyone makes a small effort,the environment will be improved a lot. 如果每个人都尽一点力，环境就会改善很多。 四、好词好句（高级加分句型） 高级词汇替换 普通】 important→ of great significance crucial 普通help→contribute to /make a contribution to 普通 think hold the view that/be fully convinced that 普通 because on account of/due to the fact that 加分句型 1Knowing that you are concerned about the environment,I am writing to urge you to take action. 得知你关心环境，我写信敦促你采取行动。（现在分词作原因状语） 2 Not only does it cause serious pollution,but it also threatens wildlife. 它不仅造成严重污染，还威胁到野生动物。（部分倒装句型） It is high time that we took measures to protect our earth. 我们该采取措施保护地球了。（虚拟语气句型） Only by working together can we create a greener future. 只有共同努力，我们中能创造更绿色的未来。（倒装句型） 五、军作模板(100-120词) Dear [Namel, I am writing to persuade you to[劝说对方做的事].As we all know,[背景/问题]. First of all,,[理由一]，because[具体影响].Besides,[理由二l,which can[好处l. Last but not least,[理由三l,and it is of great significance to[具体做法]. I sincerely hope you will take my advice.Let's join hands and make our earth a better place! Yours sincerely, [Your Name] 六、作文仿军(120词左右) 仿写题目：给好友李华写一封劝说信，呼吁他减少使用一次性塑料制品，保护环 境。 Dear Li Hua, I am writing to persuade you to cut down on disposable plastic products.As we all know,plastic pollution is doing great harm to our environment. First of all,using fewer plastic bags can reduce white pollution effectively,because they take hundreds of years to break down.Besides,choosing reusable water bottles instead of plastic ones can save resources and protect marine life.Last but not least,it is high time that we started sorting waste for recycling,which is a meaningful step towards a sustainable lifestyle. I sincerely hope you will take my advice.Let's join hands and make our earth a better place! Yours sincerely, Tom 拓展范文背诵积累 范文一：建议朋友克服害羞、提升杜交能力 Dear Li Hua, I'm sorry to hear that you feel shy in social situations.I'm writing to offer you some practical suggestions. First of all,it is a good idea to smile and greet classmates actively,because this simple act can make you feel more relaxed.Besides,you should join a club or a sports team,which helps you meet people with similar interests.Last but not least, I strongly advise you to practice speaking in front of a mirror every day,as it is beneficial to building up your confidence gradually. I hope my advice will take effect.I'm sure you will become more outgoing soon. Yours sincerely, Jack (106 words) 范文二：建议同学合理规划假期时间 Dear Wang Wei, I am glad to hear that you want to make good use of the coming holiday.I'd like to share some useful tips with you. First of all,it is a good idea to make a study timetable,because it helps you balance rest and revision.Besides,you should spend at least one hour reading English novels every day,which can improve your vocabulary and reading speed. Last but not least,I strongly advise you to learn a new skill,such as cooking or drawing,as it is beneficial to enriching your life experience. I hope my suggestions will be helpful.I'm looking forward to hearing about your wonderful holiday. Yours sincerely, Cindy (108 words)