9．假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文．文中共有10处语言错误，每句中最多有两处．每处错误仅涉及一个单词的增加、删除或修改．
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词．
删除：把多余的词用斜线（\）划掉．
修改：在错的词下划一横线，并在该词下面写出修改后的词．
注意：1．每处错误及其修改均仅限一词；2．只允许修改10处，多者不计分．
Not only has aspirin been proved vital for reducing fever and helping stop pain，but there are also other thing that aspirin can help with Lawrence Craven，a doctor from the USA，introduced the idea in 1953which aspirin had the potential to reduce the risk of hear attacks，though it helped the blood circulate well．The report was ignored．However，in 1971，Smith and Willis from the UK Proved that aspirin could have that effect，and in 1977 a study carrying out in the USA Showed that aspirin could prevent strokes，as well．Eleven years late，Dr Thun from the USA Showed that aspirin could reduce the risk of some cancers to 40percent．In 1999，aspirin was over 100years old，and yet there has been more discoveries about how it can help increase length of peoples lives．In 2003，a Chinese doctor，Dr Yuan Min Sheng，found that aspirin could reduce blood sugar levels and，therefore，helped people with diabetes．
