下列对枚举类型的正确定义形式为（ ） A: enum a={one,two,three}; B: enum a{one=9,two=-1,three}; C: enum a={"one","two","three"}; D: enum a{"one","two","three"};

以下对枚举类型名的定义中，正确的是__________。 A: enum a ={one,two,three}; B: enum a{a1, a2，a3}； C: enum a ={’1’,’2’，’3’}； D: enum a {"one","two"，"three" }；

在C#中值类型包括枚举类型，关于枚举类型的声明下面的选项哪一下是正确的（ ）。 A: num c={'1','2','3'}; B: enum a={one,two,three}; C: enum b {a1,a2,a3}; D: enum d{"one","two","three"};

下面的哪些程序片断可能导致错误？（ ）。 A: String s="Gone with the wind";String t;t=s[3]+"one"; B: String s="Gone with the wind";String t="good";String k=s+t; C: String s="Gone with the wind";String standard=s.toUpperCase(); D: String s="home directory";String t=s-"directory";

Which one of the following is a correct way to create a file for both reading and writing using the function fopen ? A: "ab+" B: "wb+" C: "rb+" D: "ab"

Which one of the following words means "容忍" when used as a verb. A: eye B: stomach C: finger D: mouth

Whatdoestheunderlinedword"one"inthe3rdparagraphmean?（） A: ThePresident. B: Thedirector. C: Anactor. D: Alook-alike.

George Gordon Byron is chiefly known for his two long poems. One is ________ and the other is Don Juan. A: "When We Two Parted" B: "To Men of England" C: Childe Harold's Pilgrimage D: "She Walks in Beauty"

Please select from following examples mentioning certain authors the one that shows they are an authoritative source. A: In "Global Warming isn't Real," Steven Collins, a professor at the University of Michigan, claims that …… B: Johann Bachman argues in "Global Warming is the Next Best Thing for the Earth" that …… C: In "My Favorite Shoe", Treyvon Jones explains that…… D: ---

Which one is generally not regarded as the symbol of Britain？（ ） A: British coffee B: "Mr. Bean" C: the Beatles D: Harry Potter