最新中职数控技术应用专业实用英语授课教案：2.4
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den ----end
II.根据课文判断下面的句子是否正确，若正确，在句前的括号内填√，不正确填×
( )1.There are twomain typesofprogram:themain programandsubprograms.
( )2.Programblocks usually start with “O” ( or % ).
Step 1 Leading-in and Warming-up
1. Revision
2. Warming up for the new c来自百度文库ass
简述本节内容、要点，导出教学目标。
Step II Vocabulary study
1.containv.包括
2. series n.系列
3.machinev.加工n.机床
( )3.The contents of the programare made up of many program blocks.Program blocks are
made up of many words.
( )4.Subprogram number should be correspondent to the program number called from the main program.
Mainprogram the program number ( start with O or %)
Program the program content ( core)
Configurations subprograms the program end M02 or M30
教
学
后
记
教学内容
教学过程
▲Ask the students to read the text fast and silently, answer the question:What does a programcontain?
(program number, program content and program end)
----Oh, how come I didn’t think of it.
Step V Exercises in Class
I.把字母重新排序组成单词
ramprog----program
mnuber----number
onctent---- content
acll -----call
subpramrog-----subprogram
▲1. Ask the students to read the words after the teacher.
2. Ask some students to read the words.The teacher corrects their pronunciation when necessary.
▲The teacherasks some questions andtellsstudents to say true or false according to the textto see how much they’ve understood.
▲To cope with the difficult points
▲1. The teacher reads the whole text.
2. The students read the text themselves.
3. Ask three students to read the text paragraph by paragraph.
4.Ask the students to choose useful words and expressions, then do the exercise on the left.
S: Tool address; M: miscellaneous function address )学生可以用汉语回答
Step VI Homework
Step VII Self-checklist
Step VIII Reading for fun
One duck walks before two ducks.
4.coren.核心
5. subprogram.子程序
6.contentn.内容
7.call v.调用
8. configurationn.构造,结构
Step III Text
1. Key words
1. configuration .n.配置,结构
program configuration程序结构
2. main program主程序
（key：There are three ducks.）
▲1.Ask several students to recite theusefulsentencesinLesson 3and the others repeat.
2.Ask students to answer teacher’s questions according to thetextinLesson 3.
One duck walks behind two ducks.
One duck walks between two ducks.
Two ducks walk before one duck.
Two ducks walk behind one duck.
How many ducks are there at least ?
4). Whatisthe core of thewholeprogram?
5). What are the two commands to end the program?
5.Sentence analysis
6. Reading competition.
7. Summary
Step IV. Dialogue
----Helen, do you understand how towriteawholeprogram?
----Yes. But I still don’t understand some commands in a program.
----Don’t worry. You can find the meanings of these commands inthe programmingmanual.
5. The teacher explains some words.
▲Since the students have been asked to preview the key words, the teacher will check how well they have previewed by doing this exercise: match the Chinese terms with its English.
3. Pair work: One student says the English words, the other speaks Chinese. The students practise in pairs.
4.Competition: Divide the whole class into three groups . The teacher gives each group different tasks. The first group speak English. The second group tell how to spell the word.The third group speak Chinese. At the end, the teacher comments on the performance of each group and praise the group which gets the highest marks.
课题
Lesson 4 Program Configurations (U2-L4)
授课日期
年月日第课时
教学
目的
知识目标：掌握关于本课的基本词汇以及相关信息，引导学生做简要的口语表达。
能力目标：提高学生的阅读理解能力和对信息的概括提炼的能力。
素质目标：培养学生自主解决问题和相互合作的能力。
教材
分析
本课主要介绍了程序结构的组成部分：程序号、程序内容和程序结束，内容相对较简单。
1.The program number usually startswith “O” ( or % ).
程序号通常以“O” (或“％”)开始。start with以……开始
2.The contentismade up ofmanyblocks.程序内容是由许多程序段组成.
3. These blockscontrolthemovementsthat anNCmachine is to execute.
III回答问题
In the program N37 G81 X0 Y0 Z50000 R30000 S50000 F100 M03, what do the letters stand for?
( key: N :operationsequence number address;
G: preparatory function address; X, Y, Z, A, B, C : Dimension address;
3. subprogram子程序
4. program number程序号
5. programend程序结束
6.contentn.内容
programcontent程序内容
7.call v.调用
2. Fast reading
3. Careful reading
将下面的短语译成汉语
１Block Format __________________
这些程序段控制数控机床要执行的动作。
4. programmingmanual编程手册
5. How come I didn’t think of it.我怎么就没有想到呢!
how come怎么会；为什么
6.55页和57页中图表中左边大括号应一直括到倒数第二行。
▲The teacher picks out the important sentences, and ask the students to practise speaking loudly, clearly and fast.Then choose four students to have a competition,praise the best student and encourage the worst.
▲Askthe students to choose the important phrases in this lesson, then ask some students to write them ontheblackboard.
▲1.把下列对话重新排列顺序。
A：Yes. But I still don’t understand some commands in a program.
2Program Number __________________
3Program End __________________
4Program Content __________________
5Start with __________________
4. Reading comprehension
Answer the following questions.
1). Does the mainprogramcontaina series ofcommands?
2). Can a subprogram be called from another subprogram?
3). What does the program numberusually startwith?
教学
重点
掌握文章中涉及的专业词汇以及重点句型的分析。
教学
难点
文章中复杂长句的分析。
教法
1.Task-based teaching and learning；2.Cooperative learning
课时
1课时大课（90分）
教具
a projector
板
书
设
计
Lesson 4 Program Configurations
II.根据课文判断下面的句子是否正确，若正确，在句前的括号内填√，不正确填×
( )1.There are twomain typesofprogram:themain programandsubprograms.
( )2.Programblocks usually start with “O” ( or % ).
Step 1 Leading-in and Warming-up
1. Revision
2. Warming up for the new c来自百度文库ass
简述本节内容、要点，导出教学目标。
Step II Vocabulary study
1.containv.包括
2. series n.系列
3.machinev.加工n.机床
( )3.The contents of the programare made up of many program blocks.Program blocks are
made up of many words.
( )4.Subprogram number should be correspondent to the program number called from the main program.
Mainprogram the program number ( start with O or %)
Program the program content ( core)
Configurations subprograms the program end M02 or M30
教
学
后
记
教学内容
教学过程
▲Ask the students to read the text fast and silently, answer the question:What does a programcontain?
(program number, program content and program end)
----Oh, how come I didn’t think of it.
Step V Exercises in Class
I.把字母重新排序组成单词
ramprog----program
mnuber----number
onctent---- content
acll -----call
subpramrog-----subprogram
▲1. Ask the students to read the words after the teacher.
2. Ask some students to read the words.The teacher corrects their pronunciation when necessary.
▲The teacherasks some questions andtellsstudents to say true or false according to the textto see how much they’ve understood.
▲To cope with the difficult points
▲1. The teacher reads the whole text.
2. The students read the text themselves.
3. Ask three students to read the text paragraph by paragraph.
4.Ask the students to choose useful words and expressions, then do the exercise on the left.
S: Tool address; M: miscellaneous function address )学生可以用汉语回答
Step VI Homework
Step VII Self-checklist
Step VIII Reading for fun
One duck walks before two ducks.
4.coren.核心
5. subprogram.子程序
6.contentn.内容
7.call v.调用
8. configurationn.构造,结构
Step III Text
1. Key words
1. configuration .n.配置,结构
program configuration程序结构
2. main program主程序
（key：There are three ducks.）
▲1.Ask several students to recite theusefulsentencesinLesson 3and the others repeat.
2.Ask students to answer teacher’s questions according to thetextinLesson 3.
One duck walks behind two ducks.
One duck walks between two ducks.
Two ducks walk before one duck.
Two ducks walk behind one duck.
How many ducks are there at least ?
4). Whatisthe core of thewholeprogram?
5). What are the two commands to end the program?
5.Sentence analysis
6. Reading competition.
7. Summary
Step IV. Dialogue
----Helen, do you understand how towriteawholeprogram?
----Yes. But I still don’t understand some commands in a program.
----Don’t worry. You can find the meanings of these commands inthe programmingmanual.
5. The teacher explains some words.
▲Since the students have been asked to preview the key words, the teacher will check how well they have previewed by doing this exercise: match the Chinese terms with its English.
3. Pair work: One student says the English words, the other speaks Chinese. The students practise in pairs.
4.Competition: Divide the whole class into three groups . The teacher gives each group different tasks. The first group speak English. The second group tell how to spell the word.The third group speak Chinese. At the end, the teacher comments on the performance of each group and praise the group which gets the highest marks.
课题
Lesson 4 Program Configurations (U2-L4)
授课日期
年月日第课时
教学
目的
知识目标：掌握关于本课的基本词汇以及相关信息，引导学生做简要的口语表达。
能力目标：提高学生的阅读理解能力和对信息的概括提炼的能力。
素质目标：培养学生自主解决问题和相互合作的能力。
教材
分析
本课主要介绍了程序结构的组成部分：程序号、程序内容和程序结束，内容相对较简单。
1.The program number usually startswith “O” ( or % ).
程序号通常以“O” (或“％”)开始。start with以……开始
2.The contentismade up ofmanyblocks.程序内容是由许多程序段组成.
3. These blockscontrolthemovementsthat anNCmachine is to execute.
III回答问题
In the program N37 G81 X0 Y0 Z50000 R30000 S50000 F100 M03, what do the letters stand for?
( key: N :operationsequence number address;
G: preparatory function address; X, Y, Z, A, B, C : Dimension address;
3. subprogram子程序
4. program number程序号
5. programend程序结束
6.contentn.内容
programcontent程序内容
7.call v.调用
2. Fast reading
3. Careful reading
将下面的短语译成汉语
１Block Format __________________
这些程序段控制数控机床要执行的动作。
4. programmingmanual编程手册
5. How come I didn’t think of it.我怎么就没有想到呢!
how come怎么会；为什么
6.55页和57页中图表中左边大括号应一直括到倒数第二行。
▲The teacher picks out the important sentences, and ask the students to practise speaking loudly, clearly and fast.Then choose four students to have a competition,praise the best student and encourage the worst.
▲Askthe students to choose the important phrases in this lesson, then ask some students to write them ontheblackboard.
▲1.把下列对话重新排列顺序。
A：Yes. But I still don’t understand some commands in a program.
2Program Number __________________
3Program End __________________
4Program Content __________________
5Start with __________________
4. Reading comprehension
Answer the following questions.
1). Does the mainprogramcontaina series ofcommands?
2). Can a subprogram be called from another subprogram?
3). What does the program numberusually startwith?
教学
重点
掌握文章中涉及的专业词汇以及重点句型的分析。
教学
难点
文章中复杂长句的分析。
教法
1.Task-based teaching and learning；2.Cooperative learning
课时
1课时大课（90分）
教具
a projector
板
书
设
计
Lesson 4 Program Configurations