1、【话题分析】 本单元的写作任务是根据所提供的材料，运用情态动词进行推测，分析物品的归属。写作时，应围绕所给材料提示，确定写作中心。同时，注意正确运用表推测的情态动词（must, can, could, might, may和cant）进行合理推断。【常用句型】It must/cant/could/might be.It must/cant/could/might belong to sb.He/She/It must/cant/could/might do.He/She/It must/cant/could/might be doing.He/She/It must/cant/could/mi
2、ght have done.【写作技巧】三步逻辑推理法写推理性作文 即根据已知的事实或者依据，采取逻辑推理法来陈述主观的判断，从而完成书面表达的过程。 第一步：细读并分析材料，找出事实和结果之间的逻辑关系； 第二步：形成明确的推理结果； 第三步：最终完成逻辑推理过程， 做到简洁、清楚和可信。学科*网【典例】 Mary分发试卷的时候，发现了一份没有署名的英语试卷，成绩为满分，请帮助她分析这份试卷是谁的。要求：（1）设想当时的情景，适当扩展细节。 （2）书写工整，100词以上。参考词汇：top student优等生 handwriting 书写_【思路点拨】步骤构思列纲1开篇点题：满分试卷没写名字
3、，导入主题，判断其主人have an exam, its mark is full, without a name, belong to2正文分析：通过各种推测来分析与排除cant be a boys, tidy, handwriting, might belong to Rose, cant be Lisas, although, have hers in hand3结尾定论：排除其他，作出判断must belong to, be ill at home, do well in English【佳作展示】 We had an exam yesterday and now the papers
4、 are being handed out. Theres a paper without a name on it left but its mark is full. Who can it belong to? It cant be a boys, because none of them in my class can be so good and tidy. The paper must belong to a girl because its handwritingRose, Lisa and Lucy. It might belong to Rose, but Im not sur
5、e because she is not so good at English. It cant be Lisas. Although she is a top student in English, she has already had hers in hand. So it must belong to Lucy. Today she is ill at home and she does well in English, too. Well, it must belong to her.1. 格中所列内容是老师对张旭同学的评价和希望。假设你是郭老师，请围绕这些内容为张旭同学写下毕业赠言
6、。（提示句已给出）评价CleverHard-workingDo well in the examsLike to help others希望Do some sports要求：1）词数3040；2）不得出现真实人名和校名。亲爱的同学，我想对你说：Dear Zhang Xu,Youre one of my favourite students. In my eyes, _Regards, Mrs. Guo2. 当今社会，环境破坏严重。尽管政府采取了一系列的措施去改善，但效果并不明显。请你以What Do You Think We Should Do to Improve Our Environme
7、nt?为话题，写一篇短文，如何保护好环境，应从哪些方面做起。不少于80词。题目自拟。_3. 假如你假设你们班上有位同学捡到一个背包，请你根据所提供的材料，进行全面客观的推测分析，看背包可能是谁的。所提供的线索如下：There is a photo of Jay Chou in the backpack.There is a hair band in the backpack.There is a basketball in the backpack. 要求：80词左右。 In my opinion, the backpack must belong to _1. Dear Zhang Xu,Y
8、oure one of my favourite students. In my eyes you are clever and hard-working. You often do well in the exams. You like to help others. I hope that you can do more sports from now on. It is good for your health.Regards,Mrs. Guo2. How to Protect Our Environment3. In my opinion, the backpack must belo
9、ng to Liu Fang.First, Liu Fang likes Jay Chou very much. So she might put a photo of Jay Chou in the backpack. But Li Shan likes Jackie Chan very much. Second, Li Shan has short hair and Liu Fang has long hair. SoLiu Fang may have a hair band but Li Shan cant have one. Third, there is a basketball in the backpack. Liu Fangs favorite sport is basketball, but Li Shans favorite sport is baseball. So the backpack must be Liu Fangs. It cant be Li Shans.5
