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【单选题】
下列关于变量和作用域运算符的说法中错误的是 。A.
在用一作用域中不能说明同名变量,但不同作用域中可以说明同名变量
B.
作用域运算符提供了在局部作用域内引用同名的全局变量的方法
C.
不同的作用域内可以定义同名的变量
D.
全局变量不能自动初始化
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举一反三
【单选题】NEWS REPORT 1 - Q1
A.
He was nervous and failed in a skydive.
B.
He was well-trained in skydiving.
C.
He did a skydive without a parachute.
D.
He wasn’t interested in any extreme sports.
【单选题】下列说法中关于this和super正确的是: ( )
A.
都不可以用在main()方法中
B.
都是指一个同内存地址
C.
不能同时出现在同一个方法里。
D.
如果父类和当前类都声明了有同名同类型的属性，将无法通过super或this来区分。
【单选题】NEWS REPORT 1 - Q1
A.
An actress who was honored by Google Doodle.
B.
An actress who was honored for inventing torpedoes.
C.
An actress who won an award for her movies.
D.
An actress who created a secret communication system.
【单选题】NEWS REPORT 1 - Q1
A.
For his great efforts to end Colombia’s civil war.
B.
For his great efforts to solve international conflicts.
C.
For his contribution to get rid of racial prejudice.
D.
For his contribution to reduce poverty.
【单选题】以下声明Main方法中,不正确的是____________。
A.
static void Main()
B.
static int Main()
C.
static void Main(string[ ] args)
D.
static double Main(string[ ] args)
【单选题】NEWS REPORT 1 - Q1
A.
It is still under development.
B.
It can be used for free in 300 cities.
C.
It serves as a trip planner and travel guide.
D.
It is useless for travelers at their destinations.
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