<B style="color:red">複選題</b><Br>11

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統計： A(13), B(28), C(15), D(8), E(10) #2337343

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k6519y

B1 · 2021/03/03

#4571833

11. (BC) then

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21. According to reading passage, Maya Fishbach says GW190412 is “an exceptional event” because __________. (A) it’s the first collision between two black holes that detected in human’s history. (B) more than one observatory detected the event and named collaboratively. (C) it is a collision of black holes with a strange mass discrepancy. (D) it enables astrophysicist to know more about the Universe’s heavy chemical elements.

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