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【单选题】
对于记录型信号量,在执行一次wait操作时,信号量的值应当(1),当其值为(2)时,进程应阻塞。在执行signal操作时,信号量的值应当为(3),当其值为(4)时,应唤醒阻塞队列中的进程。 (1)
A.
不变
B.
加1
C.
减1
D.
加指定数值
E.
减指定数值
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【单选题】给定以下程序段:int m,n=0;则m的初始值是___。
A.
1
B.
-1
C.
0
D.
不确定
【简答题】给定以下程序段: int m,n=0 ;则 m 的初始值是___ 。
【单选题】设在 B5 单元格存有一公式为 SUM($B2 : B$4) ,将其复制到 D5 后,公式为
A.
SUM($B2 : B$4)
B.
SUM($B2 : D$4)
C.
5UM($D5 : B$2)
D.
SUM($D2 : D$4)
【单选题】In Steve's opinion, what was the underlying management problem when he joined Carserve?
A.
There was confusion about who gave orders.
B.
Objectives were not made clear to staff.
C.
Long-term planning was not carried out.
【单选题】给定以下程序段 //insert code public class foo ( public static void main (String[] args) throws Exception { printWriter out = new PrintWriter ( new java.io.outputStreamWriter (System.out), true); out.printIn(...
A.
import java.io.PrintWriter;
B.
import java.PrintWriter;
C.
import java.io.OutputStreamWriter;
D.
import io.OutputStreamWriter;
【简答题】根据括号中所给的汉语写出单词,使句子意思完整正确。 1. Boys and girls, I have something important to tell you. May I please have your (注意)? 2. Andy found it hard to (相信) that Steven was a real detective. 3. Farmers complained ...
【判断题】When the price of underlying asset goes up a lot, the future contract is more likely to be default、
A.
正确
B.
错误
【单选题】Investors will profit from short sales when the price of the underlying security is _____.
A.
Rising
B.
Declining
C.
Stay the same
【判断题】梁正截面承载力计算中,纵筋的配筋率是按全截面面积计算的。( )
A.
正确
B.
错误
【单选题】Only when he thought himself unobserved could one______the underlying melancholy and frustration.
A.
recognize
B.
discriminate
C.
reveal
D.
discern
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