路政管理执法队伍实行()管理,必须做到有令必行,有禁必止。
建筑物内厨房的顶棚、墙面、地面等部位应采用那种装修材料()
A. 不燃性材料
B. 难燃性材料
C. 可燃性材料
D. 易燃性材料
通常可以把压气机中能量损失概括为()和()两大类型来处理。
Which is the earliest line in the following code after which the object created on the line marked (0) will be a candidate for being garbage collected, assuming no compiler optimizations are done? () public class Q76a9 { static String f() { String a = "hello"; String b = "bye"; // (0) String c = b + "!"; // (1) String d = b; b = a; // (2) d = a; // (3) return c; // (4) } public static void main(String args[]) { String msg = f(); System.out.println(msg); // (5) } }
A. The line marked (1).
B. The line marked (2).
C. The line marked (3).
D. The line marked (4).
E. The line marked (5).