Part Listening Comprehension (20 minutes) Directions: In this section, you will hear ten short conversations. At the end of each conversation, a question will be asked about what was said. Both the there will be a pause. During the pause, you must read the four choices marked A),),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

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. Each conversation and question will be spoken only once. After each question there will be a pause. During the pause, you must read the four suggested answers marked), B), C), and D), and decide which is the best answer. Then mark the corresponding letter

Part I Listening Comprehension (20 minutes) Directions: In this section, you will hear ten short conversations. At the end of each conversation, a question will be asked about what was said. Both 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

Part I Listening Comprehension(20 minutes Directions: In this section, you will hear ten short conversations At the end of each conversation, a question will be asked about what was said. both 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

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 Both the conversation and the question will be spoken only once. After each question there will be pause. During the pause, you must read the four choices marked), B), C)and D),and

本章主要内容 一、C++语言概述 二、基本数据类型和表达式 三、数据的输入与输出 四、算法的基本控制结构 五、自定义数据类型

第二章流体的PVT关系 一、P、V、T、C是流体的最基本性质,是热力 二、PV数据的计算

参考文献 1.书和专著 [德]阿赫特纳(王兰生译),地理学——它的历史、性质和方法,1997,北京:商务印 书馆 [俄]K.A.萨里谢夫(李道义译),地图制图学概论,1982,北京:测绘出版社 美]A.H.罗宾逊,R.D.塞尔,J.L.莫里逊,P.C墨尔克(李道义、刘耀珍译),地图 学原理,1989,北京:测绘出版社

本章主要介绍了PLC通信的基础知识和基本实 现方法。同时以三菱FX2系列PLC为例,分别 介绍了在DOS和 Windows平台下,三菱 MELSEC MEDOC和 SWOPC-FXGP-WIN-C上 位编程与通信软件的使用

本章介绍的PLC控制系统实验都是比较经典 的,而实训的内容则是采用自行开发的 ATMEL89C2051仿真PLC电路板,读者通 过自己动手装接仿真电路板,完成PC的实 验和实训课题,培养他们设计PLC控制系统 的综合分析和实际应用能力