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Ss: Good morning, teacher.
T: How are you today?
Ss: I’m fine, thank you. And you?
T: I’m fine, too.
Step 2: Presentation
1.T：Today I will tell you a story about a girl and her house.
(播放视频: 大扫除前 )
T: This is Lizzie, she is a song writer. She is busy (忙的) and lazy (懒的). She doesn’t clean the room every day. So her room is dirty(脏的) and in mess（乱的）. She can’t live in it. But one day, she changed, let’s see.
2.(播放视频: 大扫除后 )
T:Now her house is clean, and she can live in it happily.
3. (拿出一个脏、乱的教室挂图)
T: Then how about our classroom? If this is our classroom, can you study in it ?
Ss: No, I can’t.
T:So, who is on duty this week?
Ss: I’m on duty.(5个值日的同学起立并回答)
T: Today I am not only a teacher,but also a reporter.I will interview the students who are on duty today.Do you want to know what we will talk about?
Ss:Yes.
T:Now listen carefully and try to repeat.
听录音，学生重复句子。
S：What do you usually do?
S: I sweep the floor.
(学生在教室挂图上做清扫地面的动作)
(讲解短语sweep the floor，解析sweep的发音,学生练习变调读）
听录音，学生重复句子。
S: What do you usually do?
S: I clean the desks and chairs.
(学生在教室挂图上做擦桌椅的动作)
(引出短语clean the desks and chairs，解析clean的发音，学生两人一组练读)
6. 听录音，学生重复句子。
S: What do you usually do?