5. ________ tumors are cancerous and formed from abnormal cells.
(A) Benign
(B) Detached
(C) Neutral
(D) Malignant
答案:登入後查看
統計: A(8), B(7), C(8), D(410), E(0) #2363044
統計: A(8), B(7), C(8), D(410), E(0) #2363044