11. Northern lights, also called aurora borealis, and their ______ in the Southern Hemisphere are believed to result as tiny charged particles that poured out by the sun during solar flares strike the Earth’s upper atmosphere hours or days later.
(A) counterpart
(B) estrangement
(C) intermediary
(D) liability
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統計: A(94), B(9), C(7), D(4), E(0) #3432172
統計: A(94), B(9), C(7), D(4), E(0) #3432172