若有以下说明语句: struct student {int num; char name[]; flost score; }stu; 则下面的说法不正确的是:() A. struct是结构体类型的关键字 B. struct student 是用户定义的结构体类型 C. brithday是用户定义的结构体类型名 D. stu是用户定义的结构体类型名
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举一反三
【单选题】The International Oil Pollution Prevention Certificate is valid for a period of ______. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
one year from the date of issue
B.
four years from the date of issue prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
three years from the date of issue
D.
five years from the date of issue prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>