受教育权是公民的基本权利,公民可以行使,也可以放弃。 ( )
参考答案:错
I just wonder ____ that makes him so excited.
A.why it does
B.what he does
C.how it is
D.what it is
本题的功能是将文件java2. java复制为文件java2. java. bak。 import java. io. * ; public class java2 public static void main(String sarg[]) tryFile file=new File("java2. java. bak"); ______; FileInputStream rfile=new FileInputStream("java2. java"); FileOutputStream wfile=new FileOutputStream("java2. java. bak"); int c; while(______) wfile. write((char)c); rfile. close(); wfile. close(); catch(Exception e)System. out. println("读取文件的时候发生错误!"); System. out. println("复制操作完成!");