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参考答案：
参考解析：
刷刷题刷刷变学霸
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】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】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.
Water will flow down the hills.
B.
Poisonous gases will be released suddenly.
C.
A strong wind will rise from the lakes.
D.
The volcanoes will come to life.
【单选题】胃窦部有一圆形溃疡，直径2cm，溃疡较浅，边缘不整齐，外形火山口状。其诊断最可能为（）.
A.
急性胃溃疡
B.
胃溃疡病
C.
应激性溃疡
D.
早期凹陷型胃癌
E.
溃疡型胃癌
【单选题】共用题干 The Exploding Lakes of CameroonWhat 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.
Water will flow down the hills.
B.
Poisonous gases will be released suddenly.
C.
A strong wind will rise from the lakes.
D.
The volcanoes will come to life.