阿摩線上測驗
9. Which of the following can be inferred about the dangers of radioactivity research in the early 1900s?
(A) Scientists were unaware of the health risks.
(B) Safety equipment was readily available.
(C) Only Marie Curie was affected by radiation.
(D) The research was considered completely safe.
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統計： A(2), B(1), C(0), D(0), E(0) #3926070
統計： A(2), B(1), C(0), D(0), E(0) #3926070
