冀教版英语九年级上册Unit 5 Look into Science Lesson 30 Science Affects Us课件(共27张PPT)

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(共27张PPT)
Lesson 30
Science Affects Us
Leading in
Yes, I know.
Do you know how people went out in the last century
I don’t know.
They travelled by carriage.
Leading in
Leading in
I know these ways.Ha!Ha!
They travelled by bike or motorcycle.
Leading in
Now we travel like this!
Leading in
Travel is...