模板函数定义

danelovedane2022-10-04 11:39:541条回答

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x紫舞依依x 共回答了18个问题 | 采纳率94.4%
定义函数模板的语法形式:
template
返回类型 函数名(形参表) {
x05//函数体
}
其中,class也可以为typename
例如:
template
void Swap(T& a,T& b) {
T t=a; a=b; b=t;
}
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  给你一份说课和讲课的范例.参考一下
  Module 1 Unit 2 Heroes Lesson 1 Modern Heroes
  说课教案
  (一) 教学内容
  1. 本课是Unit 2 heroes Lesson 1 Modern Heroes 的第一课时.本单元分别介绍了National hero, History makers,Sports stars 和 Superhero.这几篇文章的主题都是hero,但涉及的领域不同,它们融会贯通,承上启下,融为一体.
  2. 本课是介绍National Hero,是学生比较熟悉和感兴趣的话题,前部分需要介绍杨利伟和神州五号,让学生掌握有关词汇;后一部分是介绍杨利伟乘坐神州五号宇宙飞船遨游太空的情况.
  3. 本课文出现了较多的定语从句,还有生词较多(有些单词表没有而初中又没有学过),在这样的困难前提下,我引导学生通过 culture and background knowledge,结合课本内容丰富自己的知识面,拓宽学生对航天知识的了解,让学生了解航天英雄的成功之路,激发他们的民族自豪感.
  (二) 学生分析
  1. 组成情况
  职业高中高一学生年龄都在14-16岁之间,大多数学生由于初中的知识基础打得不扎实,而且缺乏主动学习的能动性,自学能力差,对学习没有持有探究性和方向性,也没有养成良好英语学习习惯,所以学习成绩不太理想.
  2. 学生的知识与技能水平
  职业高中招生的学生,基础知识比较薄弱,甚至连音标都不会读,词汇的掌握范围狭窄,影响了阅读,听力和作文.学生的表达能力还是停留在比较低级的水平,面对每幅图片或某个主题只能说出一两句话,而且在阅读上,未能掌握泛读和精读的技巧和方法,课后的预习和复习能力较差,缺乏总结归纳的能力.
  3. 学生已掌握的学习策略
  尽管学生的知识和技能水平一般,但经过了一定时间的训练后,他们还是掌握了pair work, group work, using the culture and background knowledge的阅读技巧.
  (三) 教学目标
  1. 通过快速阅读文章,学生能够对每段文章进行归纳总结,准确地把段落主题与所给的headings联系起来.
  2. 通过仔细阅读,学生能够回答关于文章的细节问题.
  3. 通过进一步阅读,学生能够学生能用英语对采访自己心目中的民族英雄.并尝试复述课文.
  (四) 教学策略
  教学方法:使用交际法,充分调动学生的积极性,积极参与到课堂教学中,通过师生互动,小组表演的形式,完成各种任务,以达到完成教学任务的途径.
  (五) 教学过程
  第一步 导入
  T: Good morning, Everyone! Do you like watching movies? Do you know Jet Lee (李连杰)?Do you know one of his famous movie called HERO? What does ‘hero’ mean? Who are the heroes in your heart? Do you know Yan Liwei, our national hero?
  第二步 介绍文章人物
  T: Open your books, and turn to page 100 and 101. Let’s read two passages about Shenzhou V and Yang Liwei.
  Shenzhou V is China’s first manned spaceship. It lifted off at 9 a.m. on Wednesday, October 15th, 2003 in Jiuquan, Gansu Province. It was carrying Yang Liwei. It was launched very successfully and landed in Inner Mongolia safely.
  Yang Liwei is China’s first astronaut. He was a pilot in the army. He was chosen from 1,500 other army pilots and started training for his space flight in 1998. During the 21-hour space flight, he circled the earth 14 times. When the spaceship was doing its seventh circle, Yang Liwei showed the flags of China and the United Nations, expressing the wishes of the Chinese people to explore and use space peacefully.
  介绍文章时,展示文章中的生词,让学生猜测词意,带读并加以巩固.
  第三步 阅读文章
  (1) Fast Reading
  呈现六个headings,让学生快速阅读,要求归纳每段的主题.
  a. Astronaut lands safely
  b. Welcome home
  c. International good wished
  d. An exciting lift-off
  e. Introdution
  f. During the flight
  学生单个回答并集体讨论改正错误.
  (2) Careful Reading
  学生通过fast reading,完成了headings后,基本对课文有一定的了解,然后呈现出五道问题,要求学生再进行第二次阅读,对课文进行更深入的了解.
  1. How did Yang Liwei feel duing the flight? How did he feel afterwards?
  2. What did Yang Liwei do during the Shenzhou V’s seventh circle of the earth?
  3. How many circles did the spaceship complete while Yang Liwei was sleeping?
  4. What were helicopters doing as Yang Liwei returned to the earth’s atmosphere?
  5. What did Yang Liwei do when he came out of the spaceship?
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  教师巡视课堂,发现表现出色的小组,让他们到台前表演.
  教师总结评价.
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  让学生准备复述杨利伟的故事,要求说出自己的民族自豪感.
  A Teaching Plan for Unit 3 Celebration Lesson 1 Festivals
  HUANG SHUI PING
  General objectives:
  1.To read to learn the main Chinese seasonal festivals and their history origin and meanings.
  2.To help them learn some phrasal verbs and functional items about the topic and try to use them.
  Language aim:
  1.Phrases:
  Be celebrated by, fall on , mark, be decorated with, tradition/traditional, serve, take part in, get together
  2.important sentences:
  The Mid-Autumn Festival is celebrated by Chinese people.
  The Lantern Festival falls on the fifteenth day of the first lunar month.
  It marks the beginning of the hottest season of the year.
  Ability aim:
  1).Improving the ability of getting the general information and specific information from reading a text.
  2). Using own words to describe some important Chinese festivals.
  Emotion aim:
  To promote students’ qualities of a patriotism(爱国主义精神,爱国心) by learning the main Chinese festivals and learn their history origin and their meanings.
  Teaching important points and difficult points:
  1).To get information from reading
  2).To talk about festivals freely in English.
  Teaching methods:
  Brainstorming, task-based teaching method , heuristic teaching method , group work.
  Teaching aids:
  a recorder, a computer, and blackboard
  Teaching procedures:
  Step1. Greeting and reviewing.
  Greet the class as usual.
  Ask: what we can celebrate in our life? Get students to answer using the key words in warming up. eg,
  Graduation, a birthday, Christmas, passing an exam, winning a scholarship, a sporting victory, the Mid-Autumn Festival, the New Year, a wedding, Halloween, the Dragon Boat Festival
  Step2. Leading-in.
  Show students many pictures of different seasons on the screen , asking: What’s your favourite season? Why? Help students answer using the words that they have already learned. Then ask: What festivals happen during your favourite seasons? Show more pictures about different festivals on the screen to help them to answer.
  Students can work together to answer this question. Eg,
  T:What is your favorite season? What festivals happen during your favorite season? ( have a discussion)
  (S1: I liker summer. There are Children’s Day, Dragon-boat Festival and Mother’s Day.
  S2: My favorite season is winter. They are Spring Festival and Lantern Festival and Christmas Day.
  S3: ……
  T:Well done. Thank you.
  Explain the differences between Day and Festival.
  Step3.While-reading
  Activity1.Fast-reading
  Get students to read the text quickly, match the pictures with the festivals.
  Activity2. Guessing.
  Show some describing sentences on the screen to let students read and guess the names of the three festivals .
  Activity3. Careful-reading
  This time let students read the text carefully and get more detailed information to fill in the table of exercise3 on page36.
  Ask some students to report their answers to the class.
  Step4. Practice
  Play the tape for the students to listen and ask them to fill in the blanks according the text.
  1.The Mid-Autumn Festival happens in September or______. it is important because it is a special _____ for family.
  2. There are many different kinds of mooncakes ____ fruit, coffee, chocolate and so on.
  3. The ____ ____ Festival falls on the fifth day of the fifth month of the lunar year.
  4.The Dragon boat race marks the _____ of the hottest season of the year.
  5.________Festival marks the end of the Chinese New Year celebration.
  Step5. Post-reading.
  Let students discuss with a partner and answer the following question.
  Which festival in China is most important for children? Young people? Old people? Women and men?
  Then ask some students to give a report.
  Step6. Homework.
  1. do the exercise 9 on Page 37
  2. remember the new words in Lesson One.
  3. use your own words to describe a festival that you are familiar with.
  Step7. Blackboard design.
  Lesson 1 Festivals
  The Mid-Autumn Festival is celebrated by Chinese people.
  The Lantern Festival falls on the fifteenth day of the first lunar month.
  It marks the beginning of the hottest season of the year.
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Good morning !
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