案例：阅读下列教学片段，回答问题。在学习“精彩的多媒体世界”这节课时，某教师撰写了如下的教学目标。教学目标：让学生了解多媒体作品的组成元素，掌握多媒体作品的交互操作，了解常用的多媒体制作工具。培养学生的实践能力。激发学生对多媒体作品的兴趣。问题： （1）根据新课标理念和要求，重新设计教学目标。教学目标要具体、明确、可评价、行为动词使用恰当。 （2）确定教学重点和难点。

(1)知识与技能目标：
①了解多媒体作品的组成元素；
②掌握多媒体作品的交互操作；
③了解常用的多媒体制作工具。
过程与方法目标：
①通过趣味性的互动方式．多角度分析多媒体作品；
②通过对老师制作的半成品进行简单地美化，培养实践能力。
情感态度与价值观目标：
①选择赏析优秀的作品，激发认识多媒体作品的兴趣；
②简单地美化半成品，产生成就感，从而产生动手制作多媒体作品的兴趣。
(2)教学重点：赏析多媒体作品；
教学难点：学会简单应用多媒体制作工具。

(1)知识与技能：
了解操作系统、应用软件的安装流程，学会优化系统。
过程与方法：
能运用360安全卫士优化操作系统：
能处理计算机的常见问题。
情感态度与价值观：
培养团队合作精神，增强自信心。
(2)教学重点：安装操作系统；优化操作系统。
教学难点：处理计算机的常见问题。

(1)小学英语教学中使用多媒体的方法 ①巧用多媒体，激发学生的学习兴趣。
②巧用多媒体，创设情境，引入新课。
③巧用多媒体，活化教材，寓学于乐。
④巧用多媒体，提高利用时间的效率。
⑤利用网络技术，扩展学生的知识面。
(2) Teaching Aims
Knowledge aim: Students will be able to learn and master the structure to describe animals.
Ability aim: Students can make sentences through imitation of the example. Their abilities of making sentencescan be improved.
Emotional aim: Students will get more interest in learning English and in protecting animals.
(3)导入环节和新知呈现环节
Lead—in(导入环节)：
①Show the video about different kinds of cats. Ask students some questions:
Q1: What can you see in the video
Q2: Which kind of pet do you like best
②Free talk.
Ask some questions about pet, for example:
Q1: Have you ever kept a pet
Q2: How does it like
Q3: What color is it
Q4: When is its birthday
【设计意图1
视频和讨论的目的是为了吸引学生的注意力，同时明确本课的话题。
Presentation(新知呈现环节)：
Show the picture about kittens.
① Show the first picture, and ask students "What's this". Students may give such answer as "They are pigs""They are mice", and so on.
② Show other pictures. Student will understand that they are kittens.
③Ask students to pay attention to the date and reorder the pictures.
Read and match.
① Show some sentences about pictures and ask students to try to match it.
Such as:
They have white fur.May 3rd.
They can walk.April 21st.
② Let students review the knowledge they learned about the date: We should put the "on" before the month.
③ Make sentences through imitation of the example "Their eyes are open on April 26th."
Invite some students to write two sentences about the kittens on the blackboard.
Ask students to make new sentences to describe the animals they like.
【设计意图】
通过图片让学生更形象地感受到小猫的变化。通过句子配对的方式，让学生学会组词造句，提升描述事物的能力。

本题考查的是教学评价。该教师对多媒体使用时间的把握是比较合理的。教师播放腰鼓舞蹈的视频，可以让学生真切感受到腰鼓表演时的磅礴气势，并没有遏制学生抽象思维能力的发展。故C项说法错误，当选。

(1)教学目标：通过用不同结构编写程序解决同一问题，让学生体会并理解循环结构解决问题的基本思想；学会FOR循环语句的基本语法结构和用法；能够用FOR循环结构解决简单问题。 (2)教学重点：FOR循环用法。
教学难点：理解循环结构解决问题的基本思想。
使用与其他程序结构对比、同类迁移练习等方法来突破难点。

教学目标： 知识与技能：
(1)知道并学会公式的组成及其输入方法。
(2)学会使用公式进行简单的计算，在公式中引用单元格地址，了解相对地址与绝对地址的作用。
(3)学会使用常用函数。
过程与方法：能够根据实际需要正确选择和使用公式和函数进行数据处理。
情感态度与价值观：体验应用公式和函数解决问题的优势。
教学重点：公式的组成、单元格地址的引用；
教学难点：相对地址与绝对地址的使用
教学方法：使用小组协作法、任务驱动教学法、演示教学法等方法中的若干种均可，不宜过多。(理由略)

(1)多媒体教学的优点：刺激与丰富学生的想象，激发学生的学习兴趣；充分调动：学生的各种感官，加深学生的理解和记忆；拓宽学生的学习渠道，有利于学生的自主学习。 多媒体教学的缺点：受设备限制；过度地使用容易分散学生对课堂教学内容的注意力；，
(2) Teaching Aims
Knowledge aims: ① Students can learn some new words: mutton, eggplant, grape, sour,fresh.
② Students can master the new sentence pattern:What would you like for lunch? —I'd like ...
Ability aim: Through Q&A and group work, students can describe their favorite food for lunch.
Emotional aim：Students can know the importance of healthy eating habits in their daily life and make up their minds to form a good habit of eating．
(3)导入和呈现环节
Warming up and lead-in(导入环节)：
①Daily greeting．
②Let students have a brainstorming about food in their daily life，and then ask them about their favorite food for lunch．
【设计意图】
头脑风暴有利于激发学生积极思考，提高课堂氛围，为引出新课做好铺垫。
Presentation(呈现环节)：
① Words learning
Teach "mutton" "eggplant" and "grape": Draw some pictures and lead students to guess what they are, and then teach the new words.
Teach "sour" and "fresh" : Describe their flavor and then teach the new words.
All the new learnt words need to be read after the tape for three times. Teacher should pay more attention to students' pronunciation.
② Sentence learning
Show a picture about a restaurant on the screen.
T: Welcome to my restaurant. Here are some foods for you. For example, cabbage, green beans, mutton, tofu,beef, eggplant, grapes. What would you like for lunch? I'd like eggplant.
Lead students to answer. I'd like ...
Ask students to listen to the tape carefully, find out the new sentence pattern "--What would you like for lunch? I'd like ..." and read after the tape for three times. Then teach the new sentence and let students make up some sentences using the new words.
【设计意图】
设计“餐厅”情境，让学生在接近生活的真实语言环境中感知和体会句型的使用；通过情境把新单词和句型融合在一起，在进行句型教学的同时巩固对单词的学习。

(1)小学英语教学中使用多媒体的方法①巧用多媒体，激发学生的学习兴趣。
②巧用多媒体，创设情境，引入新课。
③巧用多媒体，活化教材，寓学于乐。
④巧用多媒体，提高利用时间的效率。
⑤利用网络技术，扩展学生的知识面。
(2)Teaching Aims
Knowledge aim:Students will be able to learn and master the structure to describe animals.
Ability aim:Students can make sentences through imitation of the example.Their abilities of making sentences?can be improved.
Emotional aim:Students will get more interest in learning English and in protecting animals.
(3)导入环节和新知呈现环节
Lead—in(导入环节)：
①Show the video about different kinds of cats.Ask students some questions:
Q1:What can you see in the video?
Q2:Which kind of pet do you like best?
②Free talk.
Ask some questions about pet,for example:
Q1:Have you ever kept a pet?
Q2:How does it like?
Q3:What color is it?
Q4:When is its birthday?
【设计意图1
视频和讨论的目的是为了吸引学生的注意力，同时明确本课的话题。
Presentation(新知呈现环节)：
Show the picture about kittens.
①Show the first picture,and ask students"What's this?".Students may give such answer as"They are pigs""They are mice",and so on.
②Show other pictures.Student will understand that they are kittens.
③Ask students to pay attention to the date and reorder the pictures.
Read and match.
①Show some sentences about pictures and ask students to try to match it.
Such as:
They have white fur.May 3rd.
They can walk.April 21st.
②Let students review the knowledge they learned about the date:We should put the"on"before the month.
③Make sentences through imitation of the example"Their eyes are open on April 26th."
Invite some students to write two sentences about the kittens on the blackboard.
Ask students to make new sentences to describe the animals they like.
【设计意图】
通过图片让学生更形象地感受到小猫的变化。通过句子配对的方式，让学生学会组词造句，提升描述事物的能力。