给定如下一个 Java源文件 Child.java ，编译并运行 Child.java，以下结果正确的是。 class Parent1 { Parent1(String s) { System.out.println(s); } } class Parent2 extends Parent1 { Parent2() { System.out.println("parent2"); } } public class Child extends Parent2 { public static void main(String[] args) { Child child = new Child(); } }

1. These days, a problem for many (parent/parents) is deciding how to control internet addiction. A: parents B: parent C: parent D: parent

已知Parent类，创建该类对象的语句的是（ ）。 A: Parentzhang=create Parent() B: Parentzhang=new Parent() C: Parentzhang=new Parent D: Parentzhang=news Parent()

The stratification of parent material (heterogeneous parent material) has a more complex influence on the material migration and soil fertility, compared with homogeneous parent material. The stratification of parent material will be inherited to soil.

When would a parent NOT be their child’s hero? A: When the parent is involved in raising money. B: When the parent does work outside the home. C: When the parent won’t do what the child wants. D: When the parent is involved in selfish activities.

有如下程序： #include ＜iostream＞ using namespace std; class PARENT public: PARENT() cout＜＜"PARENT"; ; class SON: public PARENT public: SON() cout＜＜"SON"; ; int main() SON son; PARENT *p; p=&son; return 0; 执行上面程序的输出是 【13】 。

A parent may

Listen to the short passage and complete the answer to each question. Both the passage and the questions will be spoken twice. Q 1 Not so long ago, when a parent said he was off to work, what was he going to do? The parent was going to make something or ____ .

关于双亲链表表示法说法不正确的是( )。 A: 每个结点每含两个域,即数据域data和双亲域parent。 B: data域存放的是结点的值 C: parent域存放的是双亲的值。 D: 根的parent为-1。

【单选题】HTML 代码: Value 1 Value 2 jQuery 代码: $("td:parent") 结果:() A. A、[ Value 1 ] B. B、[ , ] C. C、[ Value 2 ] D. D、[ Value 1 , Value 1 ]