必修一（Unit4 Earthquakes the 2nd period）
TheSecondPeriod●沉着说课Thisperiodisthehighlightofthewholeunit.Itlaysemphasisonreadingandunderstanding.F
必修一（Unit4 Earthquakes the 2nd period）必修一（Unit4 Earthquakes the 2nd period）必修一（Unit4 Earthquakes the 2nd period）