【判断题】【消耗次数:1】
常量的关键字是const
正确
错误
参考答案:
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相关题目
【简答题】 在VB中声明符号常量的关键字是[填空]。
【多选题】 UFO报表中,有关关键字叙述正确的是(??)。
①  关键字偏移量单位为毫米
②  每个报表可以同时定义多个关键字
③  关键字的位置可以偏移量来表示
④  如果要取消关键字,须执行“数据”“关键字”“取消”命令
【单选题】 下列选项中关于java中super关键字的说法错误的是( )
①  super关键字是在子类对象内部指代其父类对象的引用
②  super关键字不仅可以指代子类的直接父类,还可以指代父类的父类
③  子类可以通过super关键字调用父类的方法
④  子类可以通过super关键字调用父类的属性
【判断题】 在查找表中,通过记录的某关键字能唯一地确定一个记录,该关键字称为主关键字。
①  正确
②  错误
【单选题】 在使用super 和this关键字时,以下描述正确的是( )
①  在子类构造方法中使用super()显示调用父类的构造方法,super()必须写在子类构造方法的第一行,否则编译不通过
②  super()和this()不一定要放在构造方法内第一行
③  this()和super()可以同时出现在一个构造函数中
④  this()和super()可以在static环境中使用,包括static方法和static语句块
【简答题】 说明公共变量的命令关键字就是[填空1] (关键字必须拼写完整)。
【单选题】 关系模式的候选关键字可以有1个或多个,而主关键字有( )。
①  多个
②  0个
③  1个
④  1个或多个
【判断题】 C程序的主函数关键字是main
①  正确
②  错误
【单选题】 关键字之间使用( )分隔。
①  A. 冒号
②  B. 顿号
③  C. 逗号
④  D. 分号
【判断题】 Java程序里,创建新的类对象用关键字new,回收无用的类对象使用关键字free。
①  正确
②  错误
随机题目
【单选题】 His parents did not approve of his plan to go and study abroad with a girl they had never met, but he ____ and married her.
①  went against
②  went for
③  went for nothing
④  went ahead
【单选题】 They ____ that the aging population is adding 1 per cent yearly to health service costs.
①  add
②  calculate
③  add to
④  calculate on
【单选题】 Our hopes ___ and fell in the same instant.
①  aroused
②  arose
③  raised
④  rose
【单选题】 In Africa, educational costs are very low for those who are ____ enough to get into universities.
①  ambitious
②  fortunate
③  aggressive
④  substantial
【单选题】 There were some ____ flowers on the table.
①  artificial
②  unnatural
③  false
④  unreal
【单选题】 This is the nurse who ____ to me when I was ill in hospital.
①  accompanied
②  attended
③  entertained
④  shielded
【单选题】 、Although he had looked through all the reference material on the subject, he still found it hard to understand this point and her explanation only ____ to his confusion.
①  extended
②  amounted
③  added
④  turned
【单选题】 Because women often ____ their diet to control weight, they may not consume enough iron-rich food, and are liable to experience a deficiency.
①  restrict
②  strict
③  stuck
④  construct
【单选题】 He was such a ____ speaker that he held our attention every minute of the three-hour lecture.
①  specific
②  dynamic
③  heroic
④  diplomatic
【单选题】 Radio, television and press ____ of conveying news as information.
①  are the most common three means
②  are the most three common means
③  are the three most common means
④  are three the most common means