更多"[单选题] The manager told us never to "的相关试题:
[简答题]You never told us why you were late for the last meeting,__?
[单选题]( ) The day all of us are looking forward to _________ at last..
A.came
B. coming
C. comes
D. will come
[单选题]A foreigner’s first ( ) of the US is likely to be that everyone is in a rush—often under pressure.
A.
effect
B.
entry
C.
impression
D.
addition
[单选题]The mother told her son to( )putting himself in danger.
A.
run
B.
go
C.
avoid
D.
keep
[单选题]( ) The old man told the kids the earth always ________ round the sun.
A.goes
B. went
C. go
D. going
[简答题]I am interested in__you have told me.
[单选题]( ) The boy told his teacher that he ______________ his homework the day before.
A.has finished
B. will finish
C. has been finished
D. had finished
[单选题]( ) The boy told me that he __________ to Shanghai by the end of next month.
A.will return
B. had returned
C. would return
D. has returned
[单选题]货物停留时间有：t货、t 货车、t一次、t双重、t无调、t中，货运站主要分析( )。
A.t货
B.t中
C.t货车
D.t有调
[单选题]货物停留时间有：t货、t 货车、t一次、t双重、t无调、t中，编组站主要分析( )。
A.t货
B.t无调
C.t货车
D.t有调
[单选题]货物停留时间有：t货、t 货车、t一次、t双重、t无调、t中，中间站主要分析( )。
A.t货
B.t中
C.t货车
D.t有调
[单选题]设有3个作业，它们同时到达，运行时间分别为T1、T2和T3,且T1≤T2≤T3，若它们在单处理机系统中按单道运行，采用短作业优先调度算法，则平均周转时间为（ ）。
A.T1+T2+T3
B.(T1+T2+T3)/3
C.T1+T2/3+2*T3/3
D.T3/3+2*T2/3+T1
[简答题] Please give us plenty of notice if you have to cancel a (n)
(appointment/disappointment).
[单选题]
表达式nc(t)cosωt-ns(t)sinωt表示（）
A.高斯噪声。
B.白噪声。
C.高斯白噪声。
D.窄带高斯噪声。
[单选题]并发执行的三个事务T1 、T2 和T3，事务T1 对数据 D1 加了共享锁，事务T2、 T3分别对数据 D2 、D3 加了排 它锁，之后事务T1 对数据（ ）;事务T2对数据( )。
（36
A. D2 、D3 加排它锁都成功
B. D2 、D3 加共享锁都成功
C. D2 加共享锁成功 ，D3 加排它锁失败
D. D2 、D3 加排它锁和共享锁都失败
[单选题]5.Portfolio theory tells us that by investing in securities with yields that are inverse ly related over time:
A.A.a given yield can be obtained at a smaller risk
B.B.a high yield can be obtained for the same level of risk
C.C.a two-way capital flow may be required achieve a balanced portfolio
D.D.all of the above
