煤层煤样采取范围包括伪顶和()。
A、伪底
B、夹石
C、分层煤样
D、生产煤样
参考答案:A
My mother is working so that she can have any time for me.
A.hard, hard
B.hardly, hardly
C.hardly; hard
D.hard, hardly
阅读下列代码段,选出该代码段的正确文件名( )。 class A { void methodl() {System.out.println("methodl in class A"); } } public class B { void method2() {System.out.println("method2 in class B"); } public static void main(String args[]) {System.out.println("main in class B"); } }
A.java
B.class
C.class
D.java