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1、2022年高中英语必修7Unit2Fitforlife-Section1I. Summary of Two life-saving medicinesMain idea of the passageThe history and the uses of two life-saving medicines: aspirin and penicillin. Main idea of Part 1 (paragraph 1) A simple introduction of the two medicines.Main idea of Part 2 (paragraph 2-3)The histor
2、y and the uses of aspirin.Main idea of Part 3 (paragraph 4-5)The history and the uses of penicillin.Two life-saving medicinesII. A tree diagram of the text :1950, appeared in Guinness Book of Recordstreating wounds and illnesses caused by bacterium, pneumoniaWidespread use of penicillin during World
3、 War IIdiscovered by Flaming in 1928The uses of penicillinThe history of penicillinreduce fever, stop pain, reduce the risk of heart attacks and colon cancer, prevent a stroke, reduce blood sugar levelsaspirinpenicillin 1899, first trials of the medicine1900, sold in shops 1897, made a medicineAbout
4、 2,500 years ago, made a juice from the bark of a kind of tree3,500years ago, drinking a kind of tea to reduce pain The uses of aspirinThe history of aspirinIII.A retold version of the text Two life-saving medicines:Aspirin and penicillin are two important medicines that have changed peoples lives.M
5、edical historians think that aspirin was invented in 1897. But it has a long history. That is to say, its history can date back to about 2,500 years ago and even 3,500 years ago. The first trials of the medicine took place in 1899 and in 1900 it was sold in shops. Aspirin has many uses. For example,
6、 it can reduce fever and help stop pain. It can also reduce the risk of heart attacks, prevent a stroke and reduce the risk of colon cancer and blood sugar levels.Penicillin was discovered by a Scottish scientist Fleming in 1928. But its widespread use was during World War II. It helped save many lives. It was the great drug of the 20th century. Three scientists shared the Nobel Prize for their work on the medicine.
