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(); } }

are the stuff of every parent's (2) .

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

jquery中，要清除指定父元素的所有子元素，以下方法中，不能实现的是 A: $(" B: parent").empty() C: $(" D: parent").children().remove() E: $(" F: parent").children().empty() G: $(" H: parent").find("*").remove()

being a single parent