九年级英语 Unit 9 When was it invented Section A说课稿 人教新目标版

过复习数字,复习年份的读法,以便学生能说出后边发明物的年份,再由年份设疑:DO you know what happened in 1876? Do you want to know? 来导入新课。РStep 2、presentationР 用多媒体展示图片,让学生说英语,然后用实物学习新单词calculator,在图片下显示发明物的时间,接着问:when was it invented? Can you say the year? 让学生来猜invent的含义进而学习新词。教师根据图片和时间引出:The telephone was invented in 1876.这是本课重点,学习一般过去时态的被动语态。再次利用图片提问学生,如果我们要询问这些物品是什么时候发明的应该怎么问?引出重点句型:when was it invented?,并帮助学生用It was invented in 1927.来回答.再接下来就是学生两人一组进行对话练习,操练1c.РStep 3、GroupworkР多媒体展示1a 图片,让学生小组谈论这些物品发明的时间先后顺序,并给它们排序,最后再集体核对答案。引导学生学会用I think the calculator was invented before puter.来谈论它们的时间先后。РStep 4、listening practiceР播放录音机,让学生听,再把时间和图片匹配。播放三遍,第一遍初听大意,第二找时间和它相对应的图片,第三遍,核对答案。РStep 5、summaryР 本课小结,布置作业,调查自己家里的发明查资料找出它们的发明时间及用途。Р板书设计РUnit 9 when was it invented?Рcalculator when was it invented?Рinvent It was invented in 1876.