吉林省舒兰市第一中学高中英语 Unit4 Astronomy the science of the stars导学案4（无答案）新人教版必修3VIP

Astronomy:the science of the stars 编号005【学习目标】学习产品介绍、广告类作文的写作【教学重点】从 ideas. Sentence patterns .link words 三个方面着眼写出一个说明文。【教学难点】Ask the students to use advanced words and structures.【知识链接】get along 相处融洽，进展等 get down to 开始认真对待，开始认真考虑get on 上车 get through 到达；通过；办完，花光(钱、时间等)。get to 到达 break down 打破; 毁掉; 破除; 坍塌; 坏掉break in 破门而入; 打断 break away from 脱离; 打破陈规break through 突围; 突破; 冲垮; 克服break up 打碎; 拆散; 分裂; 分解break ones word/promise 食言; 说话不算数【自主预习】英语广告类的题材一般为应用问题， 即说明文或书信（有时也可能以留言条方式）等。 因此， 它的体裁应具有书信的特点， 即应有开头用语， 如 Im writing for .Id like to ., Welcome to 等 ； 有正文，也有结束语，如please write back to tell me . , Ihope ., So, why not .? Please let me know if . 等。解题方法：1. 抓住物品或事物的特征2. 遵循一定的描写顺序（如外观颜色、形状等由表及里；然后在深入描写一些隐性的东西，如它的功能和作用）3. 用准时态和语态一般现在时。【预习疑问】 【课堂探究】学校网站新开设了一个“英语写作”栏目（column ）, 以便学生发表（post） 英语作文， 进行交流，提高写作能力。现请你为该栏目写一篇英文介绍，内容包括：1. 开设目的 ；2栏目优势；教师在线（online）指导等 ； 3 作文要求； 内容贴近学生生活4. 优秀作文的鼓励办法 5. 邀请大家参与注意：词数 100左右Welcome to the column “ English Writing “! Step 1此篇书面表达题要求介绍学校网站新开设的“英语写作” 栏目， 其特征就是它的开设目的和栏目优势。Step2此篇“英语写作”栏目介绍， 可按照其重要性安排写作的顺序， 即：目的-优势要求鼓励办法。 根据题目所给提供信息， 我们可拟出如下提纲：开设目的 ：post their English composition , communicate with each other , improve their writing ability栏目优势: teacher s guide on line作文要求: be related to the students life鼓励办法: reward forStep 3此篇短文的时态主要应使用一般现在时态，其中可能到现在完成时和将来时，有些地方要用到被动语态。如：The school website has set up a new column called “ English Writing”The writer will be rewarded for his good composition .写作练习：Welcome to the column “English Writing _【总结反思】Welcome to the column “English WritingRecently the school website has se up a new column called “English Writing” , which provides students with the chances to post their compositions and communicate with each other . Not only can students improve their writing ability in this way, but they can strengthen their self-confidence.The conlumn has lots of advantages . It is the teachers guide on line that has an advantage over other columns . If necessary , the students can have a direct “ ask and answer “ with professional teachers . It is required that the composition should be related to the students life . Whats mo