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【单选题】

火山口喷出的大量岩浆可能来源于

A.
岩石圈
B.
地壳
C.
地核
D.
软流层
题目标签:火山口山口岩浆
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参考答案:
举一反三

【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】岩浆的成分主要是下面哪一项:()

A.
磷酸盐熔浆
B.
盐酸熔浆
C.
硅酸盐熔浆
D.
硫酸盐熔浆
相关题目:
【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】岩浆的成分主要是下面哪一项:()
A.
磷酸盐熔浆
B.
盐酸熔浆
C.
硅酸盐熔浆
D.
硫酸盐熔浆
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