12. From record-breaking snow and relentless rain to astonishing extreme temperatures around the globe, it's
been a week of _____ weather.
(A) trickling
(B) unprecedented
(C) instituted
(D) discriminating
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統計: A(25), B(165), C(14), D(35), E(0) #2913515
統計: A(25), B(165), C(14), D(35), E(0) #2913515