A.Can you spare a minute?
B.Can it wait?
C.Sorry to interrupt.
D.Do you mind„?
第1题:
A、have
B、have been
C、had
D、has
第2题:
A. An attempt to start a new session by the user belonging to DSS_QUERIES fails with an error
B. A user belonging to DSS_QUERIES can log in to a new session but the session will be queued
C. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to resource management .
D. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to resource management, I/O waits, and latch or enqueue contention
第3题:
【哲学家就餐问题-(B)】接续第55题 (B) 引入初值为4的信号量semMax,①处填上“wait(semMax); wait(chopstick[i]); wait(chopstick[(i+1)mod 5]);”,②处填上“signal(chopstick[i]); signal(chopstick[(i+1)mod 5]); signal(semMax);”
第4题:
If any beasts comes at you, I()stay with you and help you.
A、am going to
B、will
C、can
第5题:
Java程序中读入用户输入的一个值,要求创建一个自定义的异常,如果输入值大于10,使用throw语句显式地引发异常,异常输出信息为“something’swrong!”,语句为()。
A.if(I>10)throw Exception(“something’swrong!”);
B.if(I>10)throw Exceptione(“something’swrong!”);
C.if(I>10)thrownew Exception(“something’swrong!”);
D.if(I>10)thrownew Exceptione(“something’swrong!”);
第6题:
【哲学家就餐问题-(C)】接续第55题 (C) 引入初值为1的信号量mutex,①处填上“wait(mutex); wait(chopstick[i]); wait(chopstick[(i+1)mod 5]); signal(mutex);”,②处填上“signal(chopstick[(i+1)mod 5]); signal(chopstick[i]);”