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【多选题】
滑坡的形成背景调查包括()
A.
收集滑坡所在区域的地质构造、地层岩性、易滑地层分布和水土、气象等资料。
B.
调查微地貌形态及其演变过程，沟谷发育情况，河流冲刷、堆积物及地表水汇聚情况和植被发育情况。
C.
滑坡发生与地层、岩性、断裂构造、水土地质条件、地震和人类活动因素的关系，找出引起滑坡或滑坡复活的主导因素。
D.
气象水文资料：主要应收集河流的水位变化，常年及重现期20年、50年的最高、最低水位，常年的水位高度（重点是水位降的高度和时间跨度）。
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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.
相关题目：
【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.
参考解析：
题目纠错 0
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