《大学英语》课程PPT教学课件（口语一）Unit Five Calamites & Rescue

Calamities & Rescuecue

Earthquake

Earthquake

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Sand storm

面

Tsunami

Tsunami

Typhoon

Typhoon

Debris flow新华网W.NEWS.CNXNHUANET

Debris flow

Volcanic eruption

Volcanic eruption

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Flood

Drought

Drought