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TAS English QUESTION #10442
Question 1
Maria Sklodowska-Curie's ------- with radioactive materials became evident when she ------- isolated two previously unknown elements.
  • unfamiliarity . . accidentally
  • expertise . . methodically✔️
  • carelessness . . hastily
  • indifference . . randomly
Correct Answer Explanation
Her skill ('expertise') with radioactive materials is shown by how she 'methodically' isolated new elements.