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【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】The Exploding Lakes of Cameroon What comes to mind when you think of a lake You probably imagine a pretty scene with blue water, birds, and fish. For the people in the northwestern Cameroon, however,...
A.
the gases rise to the top and mix with air.
B.
people from the villages turn over the water.
C.
scientists have put in a computer system.
D.
they have more gases trapped at the bottom than other crater lakes.
【单选题】“那里啊四季分明，冬季最漫长，春有百花香，夏有稻花香，秋有明月照，冬有白雪妆”根据歌中描述的景象回答下面小题。该地区的植被类型主要是（）
A.
热带雨林
B.
亚热带常绿阔叶林
C.
温带落叶阔叶林
D.
苔原