【参考范文】
Inthepastfewdays,therehavebeenfrequentnaturaldisasters,namelyearthquakes,mud-rockflow,tsunami,floodsandsoon,whichkilledmillionsuponmillionsofpeople,destroyedcountlesshomes.Consequently,largenumbersofpeoplehavesufferedpsychicupheavalanddeemedthedoomsdayofearthiscomingnear.
Asauniversitystudent,Ihopepeopleshouldbeawarethatthosedisastersarenotthehintsofdoomsday,butjustretributionofourdoingsonearth.Soastocalmpsychicupheaval,weshouldtakeactionstostopdamagingourhome-planet,forinstance,donotcutdowntoomanytreesintheforests,trytoprotectenvironmentrightstartfromdailythingsandmaketheearthalovelyplacesuitabletolivein.
What’smore,incaseofemergenciesanddisasters,weshouldkeepourhead,andrelyonourselvestoescapefromthedisasters.