第二部分
阅读理解(共4小题;每小题7.5分,满分30分)
阅读下面短文,从每题所给的A、B、C和D四个选项中,选出
最佳选项。
After erupting almost continuously for over three decades
from 1983 to 2018-Hawaii's Kilauea volcano finally seemed to
lose steam,producing no lava (for nearly two years.The
slumber ended on the night of December 20,2020,when the ac-
tive volcano began erupting out dramatic lava fountains and giant
steam in the northwest wall of the Halema'uma'u crater.
As of December 31,2020,the volcano had erupted over 27
million cubic meters of molten rock-enough to fill more than 8,
000 Olympic-sized swimming pools-and replaced the existing
water lake with a nearly 600-foot-deep lava lake.Fortunately,