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        2012英語四級改錯(cuò)練習(xí)題及答案精選

        字號:

        這篇關(guān)于2012英語四級改錯(cuò)練習(xí)題及答案精選,是特地為大家整理的,希望對大家有所幫助!
            Americans this year will swallow 15000 tons of   aspirin, one of safest and most effective drugs 1.__________   invented by man. The most popular medicines in the 2.__________   world today, it is an effective pain reliever. Its bad   effects are relatively mild, and it is cheap.   For millions of people suffered from arthrities, 3.__________   it is the only thing that works. Aspirin, in short, is   truly the 20th-century wonder drug. It is also the   second largest suicide drug and is the leading cause of   poisoning among children. it has side effects that, if 4.__________   relatively mild, are largely unrecognized between users. 5.__________   Although aspirin was first sold by Germam company   in 1899, it has been around much longer than that.   Hippocrates, in ancient Greece, understood the medical value   of the leaves and tree bark which today is known to 6.__________   contain salicylates, the chemical in aspirin. during the   19th century, there was a great number of experimentation 7.__________   in Europe with this chemical, and it led in the introduction 8.__________   of aspirin. By 1915, aspirin tablets were available   in the United States.   A small quantity of aspirin(two five-grain tablets)   relieves pain and inflammation. It also reduces down 9.__________   fever by interfering with some of the body's reactions.   Specifically, aspirin seems to slow down the formation   of the acids involved in pain and the complex chemical   reactions that cause fever. The chemistry of these acids   is not fully understood, and the slowing effect of aspirin 10.__________   is well known.