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【判断题】

火口湖,是火山口或熔岩高原喷口积水而成,如长白山天池。( )

A.
正确
B.
错误
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题目标签:火山口高原火口
参考答案:
参考解析:
.
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【单选题】()是青藏高原藏族人民向南部迁移、扩散的主要通道。

A.
尼泊尔与西藏接壤处
B.
阿克赛钦地带
C.
横断山脉
D.
西藏与新疆相接处

【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】黄土高原水土保持工作的根本措施是 ( )

A.
平整土地
B.
修筑梯田
C.
深耕改土
D.
植树种草