It’s reported that global warming is heating the planet twice as quickly as feared.
A. extremely
B. previously
C. preciously
D. eventually
网友回答
A. extremely
(答案→)B. previously
C. preciously
D. eventually
解析：句意：据报道，全球气温变暖使这个星球的温度变暖的速度是以前害怕的两倍。四个选项的含义分别是：A. extremely非常地，B. previously以前地，C. preciously 珍惜地，D. eventually最终地，根据句意选B。