【单选题】在C# 中,可以使用枚举变量来避免不合理的赋值,以下枚举定义中正确的是( )
A.
public Sex enum { male,femal }
B.
public enum Sex{ male,femal;
C.
public enum Sex{ male,femal }
D.
public Sex enum { male,femal; }
【单选题】以下对枚举的定义,正确的是
A.
enum a={one.two,three}
D.
enum a {"one","two","three"}
【判断题】为包含框架的网页设置超链接,“目标”选项不止4个选项。
【单选题】下列编码氨基酸中在 280nm 波长处光吸收最强的是
【判断题】Why are you so excited?
【单选题】听力原文:W: Why are you so upset? You told me that you picked up 200 dollars on the bus. 1 thought you should be happy. M: Yes, then another passenger also saw the money, and 1 gave him a half, but 1 didn...
A.
He got 100 dollars at home.
B.
He lost 200 dollars at home.
C.
He got 200 dollars on the bus.
D.
He lost 100 dollars on the bus.