A.alertedB.alternateC.guessedD.guidedE.suggested
A.alerted
B.alternate
C.guessed
D.guided
E.suggested
A.alerted
B.alternate
C.guessed
D.guided
E.suggested
A. Traffic alert and Collision Advoidance System
B. Traffic Collision and Alert System
C. Traffic Control and Service
D. Traffic Condition and Surveillance
A、If it not had been for
B、If had it not been for
C、Had it not been for
D、Had not it been for
A.await
B.awaited
C.awaiting
D.awaits
其中:VT={+,*,(,),i}
VN={E,T,F}
E是开始符号;
P:
E→E+T|T
T→T*F|F
F→(E)|i
F*F+T是该文法的一个句型,其中(53)是句柄,(54)是素短语。(55)是该句型的直接推导,(56)是该句型的最左推导。(57)是该文法的一个句子。
A.F
B.F*F
C.F+T
D.F*F+T
A.单一控制器、单一运算器和单一存储器组成
B.单一控制器、多个执行部件和多个存储器模块组成
C.多个控制部件同时执行不同的指令,对同一数据进行处理
D.多个控制部件、多个执行部件和多个存储器模块组成
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