複選題

9. Which of the following unit of the radiation activity is/are CORRECT?
(A) The units of measurement for radioactivity are the becquerel (Bq, international unit) and the curie (Ci, U.S. unit)
(B) The unit used for effective dose is sievert (Sv, international unit) or rem (U.S. unit)
(C) A millisievert is one hundred of a sievert
(D) The unit for absorbed dose is the gray (Gy, international unit) or the rad (U.S. unit)
(E) One gray is defined as 1 joule of energy released in 1 g of tissue

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題目解析 這道複選題考查的是放射性活動...
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