Unit 18 Inventions
Ⅰ.Brief Statements Based on the Unit
This unit provides the students good English language materials.Their interest in creating something useful will be aroused.In the first period,we’ll begin with how the students come to school.Then problems such as flat tyre will come up.In order to solve the problem,we’ll see a new type of bicycle and other new inventions.While talking about them,the students’ speakingability will be improved.Listening is about two men,who want patents.After listening to it,the students will improve their listening ability.And students will practise how to express and support an opinion in the speaking part.In the second period,the text will be dealt with.The students’ interest of creation will be greatly aroused.Students will improve their readingability as well as master the useful words and expressions.In the third period,some useful words and expressions will be mastered by the students after they finish the exercises.Also,the Attributive clause is reviewed in this period.In the last period,students will learn some useful words and expressions from the reading passage.And the students are asked to write an article describing a computer to improve their writing ability.After Ss study the whole unit,their abilities to listen,speak,read and write will be improved.
Ⅱ.Teaching Goals
1.Talk about inventions.
2.Practise expressing and supporting an opinion.
3.Review the Attributive Clause.
4.Write a process essay.
Ⅲ.Background Information
1.Practical Computer English
Cannot open list file(不能打开清单文件)
Cannot open run file(不能打开运行文件)
Compare process ended(比较处理结束)
Compare more files(Y/N)(还作文件比较吗？)
Copy complete(拷贝完成)
Copy another(Y/N)（还要拷贝另一个吗？）
Under finded line number(未定义行号)
Directory entries adjusted(目录页已调整)
Disk boot failure(磁盘自举失败)
Disk not compatible(磁盘不兼容)
Data record too large(数据记录太大)
Entry error(登记项错误)
Error loading operating system(装入操作系统的错误)
File sharing conflict(文件共享的冲突)
Files are different sizes(文件大小不同)
Files compare OK(文件比较成功)
Incorrect parameter(参数不正确)
Insufficient disk space(磁盘空间不足)
Insufficient memory(内存空间不足)
Can’t continue(不可能继续)
Device fault(设备故障)
Device I/O error(I/O设备错)
Device timeout(设备超时)
Disk full(磁盘满)
Disk write protect(磁盘写保护)
Disk not ready(磁盘没准备好)
Division by zero(除数为零)
Duplicate definition(重复定义)
File already exists(文件已经存在)
File already open(文件已打开)
File not found(文件没找到)
FOR without NEXT(For语句中没有对应的next语句)
Illegal direct(非法的直接使用)
Illegal function call(非法函数调用)
Incorrect DOS version(不正确的DOS版本)
Internal error(内部错误)
out of data(数据不够)
out of memory(超内存)
out of paper(打印纸不够)
overflow(溢出)
Path not found(路径没找到)
String too long(字符串过长)
Subscript out of range(下标范围不够)
Syntax error(句法错误)
Too many files(文件过多)
Type mismatch(类型不匹配)
Access denied(存取被拒绝)
Backup file sequence error(后备文件顺序错误)
Bad or missing command interpreter(非法的或缺少命令解释程序)
Bad partition table(非法的区分表)
Bad unit(非法的装置)
Batch file missing(批处理文件丢失)
Cannot execute FORMAT(不能执行FORMAT)
Cannot find system files(找不到系统文件)
Cannot open overlay(不能打开覆盖段)
2.TV of the Future
Where is television going from here?Television,the box itself and what it does,is changing greatly.While nobody is really sure what it’s going to look like,TV and the Internet are coming silently together.In the old days of broadcasting,people used to say that the real miracle(奇迹)of television was turning air into money.The television miracle of the future is interactive(相互影响的).
“The Internet is the most significant change in creating what becomes the next mass media that I think any of us will experience in our lifetime,”says Tom Frank,a network expert.Using unused lines in the TV spectrum(范围),broadca
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