问题 问答题

某计算机有下图所示的功能部件,其中M为主存,MDR为主存数据寄存器,MAR为主存地址寄存器,R0~R3为通用寄存器,IR为指令寄存器,PC为程序计数器(具有自动加1功能),C、D为暂存寄存器,ALU为算术逻辑单元,移位器可左移、右移、直通传送。


将所有功能部件连接起来,组成完整的数据通路,并用单向或双向箭头表示信息传送方向。

答案

参考答案:

阅读理解

阅读理解。

     Ben's grandpa would retire after working for thirty-five years. Ben's parents were going to have a surprise

party for him.

     Ben loved his granda and wanted to do something special for him. He remembered his grandpa's business

card. He knew that his grandpa would no longer have the position (职位) on that card, so he decided to make

a new one for him.

     When the big day came, Ben was ready. But he didn't want to put his gift together with others'. He carried

it with him the whole evening.

     When all the other people left, he took his grandpa's hand, brought him over to a chair, let him sit down

and gave the gift.

     His grandpa smiled, "Well, it must be a beautiful gift. May I open it now?" "Sure!" Ben said excitedly.

     As Grandpa opened the gift, tears came into his eyes. Ben gave him new greatest gift! It was a business

card with his new positon: FULL-TIME GRANDPA! Ben said, "Now your full-time job is my grandpa!"

1. What does the underlined word "retire" mean in Chinese? [ ]

A. 探亲

B. 出国

C. 升职

D. 退休

2. Who would Ben's parents have a party for? [ ]

A. Ben's grandma.

B. Ben's grandpa.

C. Ben.

D. Ben's brother.

3. What did Ben decide to do for his grandpa? [ ]

A. To make a new business card for him.

B. To draw a picture for him.

C. To sing a song for him.

D. To buy a beautiful gift for him.

4. When was the party held? [ ]

A. In the morning.

B. After lunch.

C. In the evening.

D. At midnight.

5. Which of the following is TRUE according to the passage?[ ]

A. Ben was the first one to give his prandpa the gift.

B. Ben gave his gift to his grandpa with his parents.

C. Grandpa was moved by Ben's special gift.

D. Grandpa has worked for thirty-six years.

单项选择题