国网公司英语计算机考试B级,互联网教育公共基础课全国统一考试(“英语”)b级20(4页)-原创力文档...

本文探讨了未来人类可能的变化,如身高增长、大脑潜能利用,以及科技进步对大脑需求的影响。还预测了人类可能面临的脑力需求提升和潜在的大脑结构演变。通过阅读理解部分,展示了关于人类进化的假想和现实案例。

网络教育公共基础课全国统一考试(英语)B 级

答案在最后一页

第一部分:交际用语(5*3)

1. — Have you found anything wrong with my stomach?

—______. I’ll let you know the result next week.

A. Not yet, I’m still examining B. Oh, no, there’s nothing wrong

C. Yes, there is a serious problem D. I don’t know

2. — Is there any way to convince John he’s wrong?

— Well, ______. I wouldn’t be surprised if he didn’t listen.

A. I’m sure he’s wrong B. he’s likely to be stubborn

C. there must be a way D. I’m not sure

3. — Hello, may I talk to the headmaster now?

—___.

A. Sorry, he is busy at the moment B. No, you can't

C. Sorry, you can't D. I don't know

4. — Do you think I could borrow your dictionary?

—___.

A. Yes, you may borrow B. Yes, go on

C. Yes, help yourself D. It doesn't matter

5. — Are you Mr. Robert Lee?

—___.

A. Yes, Lee speaking B. Hello, what do you want

C. Sorry, speaking D. I don't know

第二部分:阅读理解 (10*3)

Passage 1

What will man be like in the future - in 5,000 or even 50,000 years from now? We can only

make guesses, of course, but we can be sure that he will be different from what he is today, for man is

slowly changing all the time.

Let us take an obvious example. Man, even five hundred years ago, was shorter than he is today.

Now, on average, men are about three inches taller. Five hundred years is a relatively short period of

time, so we may assume that man will continue to grow taller. Again in the modern world we use our

brains a great deal. Even so, we still make use of only about 20% of the brain's capacity (容量). As

time goes on, however, we shall have to use our brains more and more, and eventually we shall need

larger ones! This is likely to bring about a phy

基于可靠性评估序贯蒙特卡洛模拟法的配电网可靠性评估研究(Matlab代码实现)内容概要:本文围绕“基于可靠性评估序贯蒙特卡洛模拟法的配电网可靠性评估研究”,介绍了利用Matlab代码实现配电网可靠性的仿真分析方法。重点采用序贯蒙特卡洛模拟法对配电网进行长时间段的状态抽样与统计,通过模拟系统元件的故障与修复过程,评估配电网的关键可靠性指标,如系统停电频率、停电持续时间、负荷点可靠性等。该方法能够有效处理复杂网络结构与设备时序特性,提升评估精度,适用于含分布式电源、电动汽车等新型负荷接入的现代配电网。文中提供了完整的Matlab实现代码与案例分析,便于复现和扩展应用。; 适合人群:具备电力系统基础知识和Matlab编程能力的高校研究生、科研人员及电力行业技术人员,尤其适合从事配电网规划、运行与可靠性分析相关工作的人员; 使用场景及目标:①掌握序贯蒙特卡洛模拟法在电力系统可靠性评估中的基本原理与实现流程;②学习如何通过Matlab构建配电网仿真模型并进行状态转移模拟;③应用于含新能源接入的复杂配电网可靠性定量评估与优化设计; 阅读建议:建议结合文中提供的Matlab代码逐段调试运行,理解状态抽样、故障判断、修复逻辑及指标统计的具体实现方式,同时可扩展至不同网络结构或加入更多不确定性因素进行深化研究。
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