鼻咽癌最常见的病理类型是()
A.高分化鳞癌
B.腺癌
C.低分化鳞癌
D.泡状核鳞癌
E.未分化癌
参考答案:C
One of the most important things in education is to let students ____ positive emotions and experience in the process of their learning.
A.require
B.acquire
C.demand
D.clarify
面向对象不仅进行功能抽象,还要进行()。
A.动态抽象
B.消息抽象
C.数据抽象
D.算法抽象