Complete the notes below.Choose ONE WORD from the passage for each answer.Writ

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问题 Complete the notes below.
Choose ONE WORD from the passage for each answer.
Write your answers in boxes 7-13 on your answer sheet.
Marie Curie s research on radioactivity
When uranium was discovered to be radioactive, Marie Curie found that the element called【R7】______had the same property.
Marie and Pierre Curie’s research into the radioactivity of the mineral known as【R8】______led to the discovery of two new elements.
In 1911, Marie Curie received recognition for her work on the element【R9】______
Marie and Irene Curie developed X-radiography which was used as a medical technique for【R10】______
Marie Curie saw the importance of collecting radioactive material both for research and for cases of【R11】______
The radioactive material stocked in Paris contributed to the discoveries in the 1930s of the【R12】______and of what was known as artificial radioactivity.
During her research, Marie Curie was exposed to radiation and as a result she suffered from【R13】______ [br] 【R7】

选项

答案 thorium

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Complete the notes below.Choose ONE WORD from the passage for each answer.Writ

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Completethesummarybelow.ChooseONEWORDONLYfromthepassageforeachanswe