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举一反三
【单选题】The Exploding Lakes of Cameroon What comes to mind when youthink of a lake? You probably imagine a pretty scene with bue water, brds, and fish. FOr the people in the northwestern Cameroon, however,the...
A.
Water will flow down the hills.
B.
Poisonous gases will bereleased suddenly.
C.
A strong wind will rise from the lakes.
D.
The volcanoes will come to life.
【单选题】有些海蚀洞的“天花板”上还有个大窟窿，阳光照进来，就像罗马的万神殿一样。这可能是因为顶部岩石本身质地脆弱，更易被()。也可能是海水挤入岩石裂隙时，原本在里面的空气被压缩，水填满洞隙下方，压缩空气便()洞顶，直至将洞顶击穿，形成天窗。依次填入划横线部分最恰当的一项是：()
A.
腐蚀、入侵
B.
侵蚀、冲击
C.
侵袭、攻击
D.
腐化、充盈