雅思口语话题思路点播

转载出处:http://www.51ielts.com/c/2011-04-25/11141.html


1、Collection
   1) Do you like collect things?
   2) What do Chinese people like to collect?
   3) Why do you have such a collection?
   4) What can people learn from their collections?
2、Foreign country
   Describe foreign country what you haven't been to, but you are very want to go there?
   1)where?
   2)why you want to go there?
   3)when will you go there?
3、Historic place
   Describe the important historic place, you should say:
   1) Where is it?
   2) When?
   3) Why important?
4、Shopping center
   Describe a shopping center you often go, you should say:
   1)what is it called?
   2)where it is?
   3)what goods they sell and explain what special features they have got
5、Party
   Describe a party you have attended that has remained in your memory
   1) where is it?
   2) what is the party?
   3) when it was hold?
   4) who attended the party?
   5) why you enjoyed it so much?
6、Festival
   Describe a festiveal that is important in your country,
   1) your feeling about this festival
   2) How people celebrate it
   3) what your family do at this festival and explain what is special about it
7、Happy event
   Describe a happy event in your life
   1) when was it happened
   2) where was it happened
   3) what was it
   4) what did you do in this happy event?
8、Neighbor
   Describe a person who is living near of you
   1) Who is it?
   2) How you know it?
   3) When you become the neighbor?
   4) Do you often meet?
   5) Which kind of person he/she is?
9、Advertisement
  Describe an advertisement which has impressed you most
   1)what the product is
   2)what contents it includes
   3)why it is impressive
10、Favorite photograph
   Describe your favorite photo. 
   1)what it is about?
   2)when and where you took it?
   3)can see what from photo?
   4)who took it for you and explain why it is important to you?
11、Future thing
   Describe sth you wnat to owe in the future,
   1)what is it?
   2)How long you like own it?
   3)explain how it will affect your life?
12、A invention before the computer
   What is the important invention before the age of computer
   1)what is it?
   2)what's the use of it?

   3)what the advantage and disadvange of it?

   4)why it is important?
13、Activity
   what is your most favorite activity,
   1)why do you likt it?
   2)when did you begin this activity?
   3)the time you spend on it?
   4)the benefit of the activity
14、Movie
   Describe a type of movie do you like
   1)what type is it?
   2)why do you like it?
   3)what in the film
15、Sports
   Describe your favorite sport
   1) what sport you like to play
   2) How you play it
   3) what benefits you get from it and explain why you like it best
16、Children games
   Describe a children's game
   1)which game?
   2)how to play?
   3)where to play?
   4)do you like it?
   5)Influence to the future
17、which subject do you learn in your school
   1)what is this subject
   2)who teaches it?
   3)how is it taught?
18、News
  Describe the ways people get the news.
   1)whether you get the news everyday
   2)through what media do you get it
   3)which news do you prefer to get and explain the importance of getting the news every day.
19、ideal job
  1)what is it
  2)where do you want to take it?
  3)how long will you work per day?

20、newspaper或者magzine
  1)name 
  2)what it cotains
  3)how often you read it 

内容概要:本文详细介绍了基于FPGA的144输出通道可切换电压源系统的设计与实现,涵盖系统总体架构、FPGA硬件设计、上位机软件设计以及系统集成方案。系统由上位机控制软件(PC端)、FPGA控制核心和高压输出模块(144通道)三部分组成。FPGA硬件设计部分详细描述了Verilog代码实现,包括PWM生成模块、UART通信模块和温度监控模块。硬件设计说明中提及了FPGA选型、PWM生成方式、通信接口、高压输出模块和保护电路的设计要点。上位机软件采用Python编写,实现了设备连接、命令发送、序列控制等功能,并提供了一个图形用户界面(GUI)用于方便的操作和配置。 适合人群:具备一定硬件设计和编程基础的电子工程师、FPGA开发者及科研人员。 使用场景及目标:①适用于需要精确控制多通道电压输出的实验环境或工业应用场景;②帮助用户理解和掌握FPGA在复杂控制系统中的应用,包括PWM控制、UART通信及多通道信号处理;③为研究人员提供一个可扩展的平台,用于测试和验证不同的电压源控制算法和策略。 阅读建议:由于涉及硬件和软件两方面的内容,建议读者先熟悉FPGA基础知识和Verilog语言,同时具备一定的Python编程经验。在阅读过程中,应结合硬件电路图和代码注释,逐步理解系统的各个组成部分及其相互关系。此外,实际动手搭建和调试该系统将有助于加深对整个设计的理解。
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