1、Module 1 The natural Unit 3 Sea water and rain water 一、分析（Unit Analysis）（一）地位（Unit Position ）1 新的句型：we can save water by doing sth.学生在接受时会遇到困难，应该多加以机械操练。2 祈使句已经在前两册中出现过，本单元继续加强。Fixing dripping taps. Turn dripping taps off.3 作为情感态度发展的目标，教师要对学生进行节约能源的教育。（二）重点（Unit Points）1 关键词：关于如何节约用水：fix a dripping
2、tap, turn a running tap off, take a shower2 功能：掌握句型：How can we use water? We can use water by doing sth. 介词 for 的用法(后跟一段时间 ); 介词 by, under 的用法重点掌握情态动词 can 表达建议的用法3 语法点：use for doing sth. We can save water by doing sth. for,by 介词后跟动名词。二、教学设计（Teaching Designs）教学内容：课本 18-19 页这两页都是讲节约用水的内容，建议放在一起教授。P18
3、页的上讲述不要浪费水，并介绍了新单词。P19 页上讨论如何节约用水，有对话和写报告两部分内容，从口头和笔头上巩固所学新内容。本课教师要培养学生节约用水的意识，在传授知识的同时，对学生进行情感态度价值观的教育。1 用图片引入新单词：a dripping tap , a running tap, a shower. 教师可以提供浪费用水的图片，学生也可以上网搜集关于此项的图片。2 节约水的重要性，给出 P18 页的图片，学生看图说出： Dont brush your teeth under a running tap. Turn dripping taps off 等。3 根据 P18 页的内容，
4、引出 P19 页的内容，介绍新的句型：How can we save water? We can save water by fixing dripping taps.可以根据句型内容作分组活动，进一步巩固此句型。4 学生用 How can we save water? We can save water by fixing dripping taps. 做 pair-work.5 最后小组活动，学生写出 P19 页的 report 。并在全班范围内加以反馈。说明：作为课堂的延伸，并使学生对所学内容能主动练习和实践，以下提供一些学生调查实践的内容（家庭用水的情况）和关于水的一些信息，供教师参考
5、利用。家庭用水量的统计：观察统计自己家里的用水情况：Keep a record of all the activities you and your family do each day that use water including:96.5% of the Earths water supply is salt water.Only 2.8% is fresh water!That 2.8% is divided like this: 0.76% is groundwater (we can use some of this water) 0.0132% is in lakes and
6、streams (we can use some of this water) 1.74% is in glaciers and icecaps 0.001% is water vapor Brush your teeth? - 2 to 5 gallons Wash the car? - 16 gallons Use the dishwasher? - 8 to 15 gallons Flush the toilet? - 1.5 to 4 gallons (each flush) Take a shower or bath? - 17 to 24 gallons Run the washing machine? - 35 to 16 gallons (each load) drinking water,cooking,washing dishes,taking a shower or bath,brushing your teeth,watering the flowers or lawn,flushing the toilet.
