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【单选题】
只有在节理发育、有软弱结构面穿插且边坡高陡时，发生崩塌或滑坡现象的地层岩性是( )。A.
侵入岩、沉积岩以及片麻岩、等构成的边坡
B.
含有黏土质页岩、泥岩、煤层、泥灰岩、石膏等夹层的沉积岩边坡
C.
千枚岩、板岩及片岩
D.
喷出岩边坡
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