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(共14张PPT)
Unit 7 A Day to Remember
Lesson 2 Section A 2a-2e
How was Peter's weekend
What did he do
How was Teng Fei's weekend
What did he do
1.Let's review
2.Listen and check.
1.Fu Xing and her class went a .
2.It was .
wastewater plant
interesting
What do you know about wastewater plants
First dirty
Then
Next
Finally clean
Home→plant
Screens n.格栅
remove v.去除
machine n.机器
remove v.去除
germ n.细菌
dirty→clean
3.Learn about wastewater plants.
4.Listen and circle these words.
Then
Next
First
clean
5.Read and guess.
What words may be put in the blanks
形容词
6.Listen and fill in the blanks-1.
clean
dirty
large
small
easy
hard
7.Finish 2b.
First...
Then...
Next...
Finally...
First: Water from homes goes into the _________.
Then: Screens remove large pieces of ________ from the water.
Next: Machines remove ________ and other small things.
Finally: After a few more _________, the water becomes clean.
plant
waste
germs
steps
8.Read and fill in the blanks-2.
9.Retell the process of the wastewater plant.
First: Water from homes goes into the plant.
Then: Screens remove large pieces of waste from the water.
Next: Machines remove germs and other small things.
Finally: After a few more steps, the water becomes clean.
10.Finish 2c.
wastewater
home
waste
machine
steps
事实对比
① boring → interesting（评价对比）
② dirty → clean（状态对比）
③ large → small（规模对比：大块废物 vs 微小细菌）
④ after → before（时序对比）
认知对比
⑤ used to think (easy) → didn't realize (hard)（认知对比）
11.Read and find
12.Retell.
First
Then
Next
Finally
Home→plant
Screens n.格栅
remove v.去除
machine n.机器
remove v.去除
germ n.细菌
dirty→clean
Fu Xing and her class went to a...
Fu Xing used to think it was easy, but she didn't realize it was hard.
13.Think and share.
Why is Fu Xing's trip special

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