立体定向手术适用范围是:()。
A.功能性疾病(P.D.EP)的靶点毁损术
B.颅内病灶活检及颅内小病灶直接取出
C.炎性病灶的穿刺
D.以上均对
参考答案:D
-What do you think of maths?
-My favourite. It's ________ for me to study of all the subjects in school.[ ]
A. more difficult
B. the most difficult
C. less difficult
D. the least difficult
酒精适用于()刮削的显示剂
A、精
B、粗
C、细
D、极精密