2015-2016学年人教版高中英语必修一Unit4单元复习课件(共52张PPT) 这篇文章描述了地震前的征兆和地震的过程和唐山地震造成的后果。它显示了地震后的骇人的情景和告诉我们怎样才能把地震的危害降到最低。 The article describes both _________ before an earthquake and __________and _____________Tangshan earthquake in 1976. It shows us ________________of earthquakes and tells us _____________ to minimize the damage by an earthquake.
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