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【单选题】
滑坡的现场迹象有( )。
A.
沿坡脚有地下水流
B.
地貌上呈环谷状，坡面上有陡坎，后缘壁上有拉裂、擦痕，岩土层位紊乱、有成群的泉水溢出
C.
地表岩土体破碎、地面凹凸不平
D.
没有迹象，只能依靠仪器来探测
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.