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Inmostcountriesoftheworld,thereisonemedicinecalledaspirin.N_everyonetakesit.peopletakeitwhentheyhaveanacheorapain,ands_whentheyhaveafever.Doctorsb_itcanalsohelppeoplewhohaveheartdiseaseandsomeotherdis

题目详情
In most countries of the world ,there is one medicine called aspirin.N_ everyone takes it.people take it when they have an ache or a pain,and s_ when they have a fever.Doctors b_ it can also help people who have heart disease and some other disease , too. Some people, however, can't take aspirin. it must never be given to c_ under 12 years old.
Before aspirin was i_ . 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_it helped.then,in the 1830s scientistsin England s_ all the things that were in the bark of the while willow.They found out what things in the plant s_
pain. Soon people were making medicine with this pain-stopping
thing and selling it. Later scientists found out how to make aspirin w_ using any plant at all. Aspirin was first s_ in
1899 by the Bayer Company Ger many.
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答案和解析
1.Not
2.sometimes
3.believe
4.children
5.introduced
6.why
7.said
9.without
10.sold