4•最低級的變質岩是:
(A)硬頁岩(Argillite)
(B)板岩(Slate)
(C)千枚岩(Phyllite)
(D)粒變岩(Granulite)

答案:登入後查看
統計: A(11), B(1), C(0), D(0), E(0) #974112