题目内容

1. What has made colleges the most Internet-accessible spots in the world?2. According to one leading university director, why are college students encouraged to use smartphones on campus?3. Why does the author ask us to remember to regulate and balance our time?4. Some colleges increased their budgets for information technology. What did they do with the money?5. Why did one university give every one of its incoming freshmen a free Apple iPad?

查看答案
更多问题

两段锁协议规定,当事务释放了一个封锁以后,事务进入解锁阶段,在该阶段只能进行解锁操作不能再进行加锁操作

A. 对
B. 错

遵守两段锁协议的事务调度不可能再发生死锁

A. 对
B. 错

两段锁协议的方法保证并发调度的可串行性,从而保证调度的正确性

A. 对
B. 错

小吴为A单位员工,2020年1-12月在A单位取得工资薪金50000元,单位为其办理了2020年1-12月的工资薪金所得个人所得税全员全额明细申报。2021年,A单位1月给其发放10000元工资,2-12月每月发放4000元工资。则2021年按照新预扣预缴方法A单位为其预扣预缴的税款为( )元。

A. 0
B. 100
C. 200
D. 330

答案查题题库