一般来讲，奥氏体的防腐性能优于铁素体和马氏体的防腐性能。
参考答案：对
列举活检在肿瘤诊断中的重要性。
— The cake is so delicious. Would you like ?
— No, thanks. [ ]
A. more some
B. some more
C. any more
D. some much
