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缺词填空Inmostcountriesoftheworld,thereismedicinecalledaspirin.N1everyonetakesit.Peopletakeitwhentheyhaveanacheorapain,ands2whentheyhaveafever.Doctorsb3itcanalsohelppeoplewhohaveheartdiseaseandsomeot

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In most countries of the world,there is medicine called aspirin.
N_1_ everyone takes it.People take it when they have an ache or a pain,and s_2_ when they have a fever.Doctors b_3_ it can also help people who have heart disease and some other diseases,too.Some people,however,cannot take aspirin.It must never be given to c_4_ under 12 years old.
Before aspirin was i_5_,some people made a drink with the bark of the white willow.This drink made their pains and fever go away,but no one knew w_6_ it helped.Then,in the 1803s,scientists in England s_7_ all the things that were in the bark of the white willow.They found out what thing in the plant s_8_ pain.Soon people were making medicine with this pain-stopping thing.Later scientists found out how to make aspirin w_9_ using plants at all.Aspirin was first s_10_ in 1899 by the Bayer Company of Germany.
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