【单选题】根据下面提供的PC机内存中的数据,INT 11H中断服务程序的入口地址是______。 0000:0040 B3 18 8A CC 4D F8 00 F0--41 F8 00 F0 C5 18 8A CC 0000:0050 39 E7 00 F0 A0 19 8A CC--2E E8 00 F0 D2 EF 00 F0
【判断题】争取创造一个友好、和谐的气氛,采用共鸣式开局往往是初次合作
【单选题】听力原文:W: Could I hand in my paper a few days later? M: I'm afraid that's out of the question. Q: What does the man mean? (19)
A.
The paper must be turned in on time.
B.
The question wasn't very clear.
C.
He should ask a different person.
D.
His request was made too late.
【简答题】以下程序时对输出入信号X0进行( )分频。 (A)一 (B)三 (C)二 (D)四、A.B.C.D. D
【单选题】听力原文:W: You seem to have been restless the whole day today. What's up? M: Later in the afternoon they will announce who will get permission for the study trip to Africa. Q: How does the man probably f...
【单选题】设F(x)是f(x)的一个原函数,则∫e-xf(e-x)dx等于( )。
【单选题】设E是关系代数表达式,F1、F2是选择条件表达式,则有( )。
A.
σ F1 (σ F2 (E))≡σ F1∨F2 (E)
B.
σ F1 (σ F2 (E))≡σ F1∧F2 (E)
C.
σ F1 (σ F2 (E))≡σ F1 (E)
【单选题】设E是关系代数表达式,F1、F2是选取条件表达式,则有( )。
A.
σF1(σF2(E)) = σF1νF2(E)
B.
σF1(σF2(E)) = σF1ΛF2(E)
【单选题】在规范法中,检验层厚度的确定与( )有关。
【单选题】设F(x)是f(x)的一个原函数,则∫e-xf(e-x)dx等于( )。