若当前正在执行的指令所在存储器单元的地址为2000H,基址寄存器的内容为4000H,变址寄存器的内容为22ADH,指令的地址码部分为11H。如果采用相对寻址方式,则操作数的实际地址为(19);如果采用相对基址加变址寻址方式,则操作数的实际地址为(20)。
(63)
A. 42ADH
B. 2011H
C. 6000H
D. 22BEH
查看答案
Section A
Directions: In this section you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. The conversation and the question will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A), B), C) and D), and decide which is the best answer. Then mark the corresponding letter on the Answer Sheet with a single line through the center.
听力原文:W: Why do you get up so early?
M: Well, I have to leave home at twenty to seven so I can catch a bus at seven o'clock.
Q: When does the man leave home?
(1)
At 6:40.
B. At 6:48.
C. At 7:00.
D. At 7:20.
编译程序的工作可分为6个阶段:词法分析、语法分析、(29)、中间代码生成、代码优化和目标代码生成。其中,中间代码生成和(30)不是必须经过的阶段。
(65)
A. 过程分析
B. 语义分析
C. 数据分析
D. 单词分析
在下列程序代码中,函数init()和plus()的定义如下图所示,若a和x以引用方式传递信息,则函数init的返回值为(34);若a和x以传值方式传递信息,则函数。init的返回值为(35)。
(67)
A. 2
B. 3
C. 4
D. 5
听力原文:M: I'm getting together with Sara and Paul tonight. We're going out to eat and then watch a movie. Why don't you come with us?
W: I'd love to, but I have to work hard for a test tomorrow.
Q: What will the woman do tonight?
(6)
A. Eat out with the man.
B. Study at home.
C. Watch a movie with friends.
D. Watch TV at home.