教学环节

教师活动

预设学生行为

设计意图

1，revision

Teacher ask“what is the computer used for?” by showing the picture of the computer and teach the new words. review the passive voice by asking“what is …used for?”

All the students answer the questions and then review the passive voice and then learn the new words.

复习被动语态的一般现在时的形式。为新授作好一个辅垫。复习新的认知规律。学习新的单词。

2.

presentation

Show some pictures

Like TV, car , telephones, and then ask the students to practice with their partners.

T: what is the computer used for?

S: it is used for….

Group work

呈现图片，给学生更多的素材来进行语言练习。给学生语言表达机会

3. presentation

Show a piece of paper. then ask“who was it invented by?”

Let the students answer together, then check their answers. It was invented by Cai Lun. then ask “who was the calculator invented by?”then show the inventor on the board.

Answer the teacher’s questions and learn the new language

通过学生熟悉的纸来想出蔡伦。来说出被动语万言态的句子。从而达到一个好的引导效果。体现教学设计的梯度，来照顾全体学生。

4.practice

Ask the students to practice in groups of 4.then ask the some group leader to show their report.

Work in group of 4 to practice the conversation.

通过小组学习达到生与生互动和师与生互动。

加强学生的自主学习能力的培养

5.pracetice

Play the recording for the students to listen and do the work in 1b.the check the students’ answers.

And then play the recording a second time. Then ask the students to read after it.

And then ask them to practice the conversation with their partners.

Book open, and then do the 1b.listen and match the inventions with the dates .Then check the students’ answers and repeat.

先通过反复的听力来提高学生的听力水平。同时也提高学生的语言表达能力。让学生进行有效的听读训练。

6.pairwork

Show a mobile phone and say” I think the mobile phone is helpful invention”

Show a picture of an alarm clock. Then ask , What do you think of it. It is a helpful invention or annoying invention?

Show a picture of a computer and a calculator and so on

Students think about the inventions good or bad. Then ask them to describe their  opinions.

通过老师自己的观点来引导学生发表各自的观点。从而引发学生思考问题的深度及广度。

7.practice

Ask the students to make a survey. Then have some individual students to give their report.

Practice in group.

Ask the questions using the language we have learnt in this class.

通过调查活动实现对所学语言的运用。让学生有实际解决问题的能力。

8,

presentation

Ask the students to have a discussion.

Have a discussion about, what do inventors do? Do you want to be an inventor?

引发学生思考发明家对社会的贡献，从而在本课中起到对学生思想的教育

9.pairwork

Summary

Think about

小结本堂课所学知识。