2017-2018学年人教版 必修一 Unit 4 travel journal-Reading课件 (共21张PPT)
2017-2018学年人教版 必修一 Unit 4 travel journal-Reading课件 (共21张PPT)第1页

It is a natural disaster.

It can be extremely damaging.

It results from a sudden release of earth’s energy.

Earthquake

is a/an ______ disaster.

杭州高级中学 沈靓