题目

When was it invented?

年级学科

九年级

课型

听说课

授课教师

汪亚芝

工作单位

奉化萧王庙中学

教学目标

1．掌握被动语态各种时态的结构和用法。2．训练听力技能。要求学生观看常见食物图片并能用描述性形容词对其口感作出评价；根据形容词写出相应食物名称；听力材料的处理：对听力所输入的信息进行多层次的处理。要求学生听录音先判断句子正误，然后完成根据对话内容改写的填空。

教学重难点

关键

这两个听力活动需要学生运用反义词和信息综合判断等，对学生捕捉信息/处理信息的能力提出了更高的要求。How to understand and talking about the invention of potato chips.

教学方法

task-based teaching methods, pair work, group work , retell the invention.

运用的

信息技术工具

硬件：多媒体

软件：希沃,,ppt

教学设计思路

1.To understand and describe how food can taste.

2.To learn the history of potato chips by listening carefully.

3.To practice talking about the invention of potato chips.

课程导入:中国是四大文明古国之一，造纸术、火药、指南针和印刷术这四大发明为世界文明做出了巨大的贡献。你能用英语作一简单的介绍吗？

文化点击：美国人很喜欢吃土豆，而且还有多种吃法。？

教学过程

设计意图

时间安排

Step1 Discussion.

Show Ss some pictures about the delicious food and let Ss list some food with the same tasty.

Step2 Free Talk. The invention of trips

Step3 listening

Step4 Pair work. Introduce to Ss how potato chips were invented

Step5 Brainstorm.

 talk about other food’s invention

Step6 language points

Learn some adjectives about different objects by trying some tastes. And it also interests students before class.

Lnput by discussing the invention of potato chips.

Listen to the materials after guessing to check  what they guessed for getting the feeling of satisfaction.

Help output what they have learned more.

Words and expressions are really helpful to catch the main meaning of the text.

8 minutes

8 minutes

15

7

7

板书设计

Lemons , oranges , grapes—sour   French fries—crispy 

Salted duck eggs , French fries-salty customer

by mistake错误的      by accident/chance意外的

1. The customer was happy in the end，why?2. Do you know how potato chips were invented? 3. Did you know potato chips were invented by mistake?