外研版八年级英语下册《I haven't done much exercise since I got my computer》Seeing the doctor PPT课件下载，共15页。
Warm-up
What are they?
They are doctors.
What’s the matter with him/her?
Pre-listening
观察以下单词的构成：
tooth+ ache = toothache （牙痛）
stomach+ache = stomach ache （胃痛）
head+ache = headache （头疼痛）
Can you write the words according to the pictures?
Language points
1. —How long have you been like this? 像这样的情况多久了？
—Since Friday. 自周五以来。
（1）since 作介词时，与完成时连用，意思是“自……以来；自从”。如：
He has lived here since 1992. 他从1992年以来一直住在这里。
（2）since作连词时，有以下用法：
①与完成时连用，意思是“自……以后”，其后面引导含一般过去时态的从句。如：
I have written home but once since I came here. 我到这里以后只写过一次家信。
②用于“It’s + 时间段+since+ 一般过去时态的句子”句型。如：
How long is it since you were in London? 你在伦敦多久了？
2. Let me take your temperature. 让我来给你量下体温。
take sb’s temperature 表示“量某人的体温”。如：
I took my temperature last night. 我昨晚量了下我的体温。
Homework
1. Practice role-playing 3.
2. Make a conversation between a doctor and a patient.
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