单 元：unit 1 the world of our senses
板 块：welcome to the unit
课堂设计指导思想：
本节课是听说教学课。在本课中，教师设计各种听说活动，鼓励学生就“五种感觉在自己学习生活中的重要性“展开广泛地讨论并大胆发表自己的观点。丰富多彩的图片展示，使学生从视觉上产生差异，从而促使他们讨论：“to see is to believe”是否绝对正确。最后通过残疾艺术家身残志坚，做出巨大成就的事例，使学生明白应该以积极热情的态度面对生活和学习。
teaching aims:
1.encourage students speak out to practice their oral english.
2.arose their interest in learning this unit through activities.
3.let them know the importance of senses in daily life.
teaching procedures:
step1. brainstorming （ppt 5-6）
ask students the following questions:-
1.with what do we see and hear?
2.how do we know whether a dish is delicious?
3.how do we know that a flower has a pleasant smell?
4.what do we do when we want to know whether the water in the basin is hot or cold?
5.how do we know about the world around us?
as we all know, almost everyone has five senses, which are used everywhere and all the time. we learn about the world through the five senses. we use the five senses to study, work and relax, but there are some people who have lost one or more of their senses.
《设计说明》通过头脑风暴活动，引出话题，用浅显易懂的问题，激发学生的兴趣，激活课堂气氛。问题后教师的陈述目的是导入下一步的讨论。
step2 presentation （ppt 7-8）
1.what would happen if you lost one or two of your senses?
a person who cannot see is blind and someone who cannot hear is deaf.
2. do you know how blind people can read?
(they can read by touching raised dots which represent numbers
