教学活动设计 教学活动设计 教师活动 学生活动 教师活动 学生活动 Ⅲ.1c Pair work

1. Work in pairs. Look at 1b. Student A cover the dates. Student B, ask student A when the things in the picture were invented. Then change roles and practice again.

2. Ask students to make similar dialogues using the things around them.

Ⅳ.2a

1. Show a slide with some inventions on it. Teach the vocabulary words. Read them again and again and try to grasp them.2.2a Show another slide. Look at the picture. Here are the three inventions. You will hear a conversation between a girl and a boy. Listen and number the inventions in th Work in pairs. Then make similar dialogues using the things around them. 练习口语的同时，熟悉不同物品的发明年代

Listen and number the inventions in the order that you hear them.

完成不同的听力任务，提高学生的口语能力，进一步理解不同物品的历史。

一般现在时：am / is / are + done

一般过去时：was / were + done

一般将来时：shall / will + be done

一般过去将来时：should / would + be done

现在进行时：am / is / are + being + done

过去进行时：was / were + being + done

现在完成时：have / has + been + done

过去完成时：had + been + done

将来完成时：shall / will + have been + done

过去将来完成时：should / would + have been + done

Ⅵ.2c Pair work

1. Ask the students to pay attention to the sample conversation and ask two students to read it aloud.

2. Role play the conversations using the information in the chart in 2b.

Role play the conversations using the information in the chart in 2b运用本课学习的句子创作对话，提高学生口语交际能力。

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