问题
问答题 简答题
解释重叠方式中的“一次重叠”的含义。
答案
参考答案：将指令的解释分为“分析”和“执行”两个阶段，任何时刻都只是“执行k”与“分析k+1”在时间上重叠，也就是让指令分析部件与指令执行部件同时处理相邻的两条指令。
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解释重叠方式中的“一次重叠”的含义。
参考答案：将指令的解释分为“分析”和“执行”两个阶段，任何时刻都只是“执行k”与“分析k+1”在时间上重叠，也就是让指令分析部件与指令执行部件同时处理相邻的两条指令。
| 阅读下面短文，从短文后面每题所给的四个选项中选择最佳的一项。 |
| Linda enjoyed listening to the gossip (闲话) at the water fountain (饮水处 ),and then passed it to others. Sometimes people got a little hurt. Patty decided that Linda should be taught a lesson. After the second class, Patty was at the water fountain. As she took a drink, Abel passed by. "What's up? " he asked her. Patty said, " Nothing much, the usual. Today is sure an interesting day. But it's not good for Linda. " "What do you mean? What happened? " Abel asked. Patty said sadly, "I heard that Linda got below an A on her history exam. You know her parents want her to get straight As. I think they'll keep her at home for a whole week to study. "Before he could ask anything else, Patty walked on. Abel caught up with Emily. "Did you hear, "he asked, not waiting for her to answer, "Linda failed on a history exam and her parents will keep her at home for a whole month? " Emily looked at him in surprise, "But Linda is a straight- A student.This is terrible. Don't tell anybody, and I won't either." At lunch, the gossip was flying fast. Tim asked Bob, " Did you hear about poor Linda? She failed in history, and her parents are going to get her a tutor (家庭教师)." By three o'clock, everybody knew it. All day, Linda had a strange feeling. People were looking at her. She asked Dana what was going on. He said, "I don't know who found out, but we're really sorry. " "Sorry about what? " Linda asked. Dana said, "Everybody knows you failed in all your subjects, and your parents are taking you out of school." Linda stared(盯着) at him, mouth opened. "How did this gossip start? It's not true! "Linda began to shout. In a moment , most of her friends were around her. They asked if there was anything they could do. "Look, " she said, "I got an A on my history exam. Who would start a gossip like this? "Nobody seemed to know, but they did know that it began at the water fountain. |
| 1.Which of the following (下列句子) is true? |
[ ] |
| A.Nobody liked Linda. B.Linda failed in all her subjects. C.Linda failed on her history exam. D.Almost all the students were sorry for Linda. |
| 2.What's the result of the gossip? |
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| A.Linda got a little hurt. B.Everybody came to help Linda. C.Linda's parents took her out of school. D.Linda got an A on her history exam. |
| 3.What' s the main (主要的) idea of the story? |
[ ] |
| A.Linda enjoyed listening to and passing gossips. B.patty started a gossip about Linda. C.Linda was taught a lesson about gossip. D.The gossip began at the water fountain. |