4.最低級的變質岩是:
(A)硬頁岩(Argillite)
(B)板岩(Slate)
(C)千牧岩(Phyllite)
(D)粒變岩(Granulite)

答案:登入後查看
統計: A(13), B(4), C(0), D(3), E(0) #974002