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【单选题】
“火山口”征
A.
胃壁局限性增厚，断面如“弯月”状，可出现
B.
短轴切面示管腔空虚.全周壁厚，类似靶环，可出现
C.
溃疡环堤的冠状切面呈现
D.
肿瘤中心凹陷为溃疡，周围隆起，形成环堤，呈“弹坑”样改变，称之为
E.
胃肠全周或广泛胃壁增厚，可出现
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
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B.
Poisonous gases will bereleased suddenly.
C.
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D.
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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.
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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.
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A.
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B.
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C.
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D.
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E.
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B.
the volcano will not erupt tomorrow
C.
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D.
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【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.
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E.
溃疡型胃癌
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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.