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Aspirin was invented in 1897. However, the __1.___
chemical used to make aspirin can be found in nature. Nearly 3,500 years ago,
people __2.__ on leaves or drank a kind of tea made from leaves ___3.__ a
special chemical to reduce body pains and __4.___.
It was in 1897 that a __5.___ chemist called Dr Felix
Hoffmann produced aspirin from this chemical. The first ___6.__ of this
medicine took place in 1899, when the company Hoffmann worked for began ___7.__
the medicine in powder form to physicians to use with __8.___. A year later, in
1900, aspirin was sold in shops in the form of __9.___.
However, a recent survey __10.___ in the USA shows
that 80 per cent of Internet users __11.___ it mostly to search for answers to
questions. The second most common use of the Internet, for 79 per cent of
Internet users, is to find out information about __12.___. These statistics __13.___
that gathering information is the __14.___ use for the Internet.
Another truly wonderful __15.___ of the Internet is
the way people use it to build social ___16.__. One of the greatest benefits of
Internet friendships is that they are __17.___ on common interests, rather than
___18.__ or age. Young people from __19.___ backgrounds and different countries
can form friendships that will last their __20.___ lives.