旅客在全部旅途中分别乘坐空调车和普通车时,可发售()。
A. 全程空调车票价
B. 全程普通硬座车票,对乘坐空调车区段另行核收空调车票价
C. 全程空调车与普通车的票价差额
D. 全程普通硬座车票,对乘坐空调车区段另核收空调车与普通车的票价差额
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朗加纳斯认为古罗马社会产生不出崇高的作品的根源是什么?
在众多研究健康人格的学者中,()是最深入最系统的一位。
public class SyncTest { private int x; private int y; public synchronized void setX (int i) (x=1;) public synchronized void setY (int i) (y=1;) public synchronized void setXY(int 1)(set X(i); setY(i);) public synchronized Boolean check() (return x !=y;) } Under which conditions will check () return true when called from a different class?
A. Check() can never return true.
B. Check() can return true when setXY is called by multiple threads.
Check() can return true when multiple threads call setX and setY separately.
D. Check() can only return true if SyncTest is changed to allow x and y to be set separately.