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清华版四年级下册《UNIT 3 WHEN I GROW UP... Lesson 19》优秀教学课件
doctor
bus driver
nurse
lawyer
engineer
tour guide
worker
dentist
reporter
police officer
driver
cook
fireman
police officer
doctor
nurse
1.give us medicine
help people check up
3.put out the fire
save people in danger
2.protect people from crime
direct traffic
4.give us healthy and
delicious food
5.drive a bus