考呗网：一起考呗移动版

设计意图：采用多媒体播放动画的方法激发学生的学习兴趣，引起学生的有意注意。通过教师的问题引导将所要学习的数学问题进一步具体化、形象化。使学生感受到数学与生活的紧密联系，同时也激发学生爱观察思考的热情。

28.参考答案

(1)

Key points:

Words: The meaning and the pronunciation of the words such as “light, heavy, big, small...”.

Target language: “It’s heavy/small/big and light...”.

Difficult Points:

How to give suggestions when shopping and describe things’ feature by using the correct sentence structure “It is…”.

(2)

Knowledge aims:

Students can understand the meaning of new words about describing objects like “light, heavy, big, small...”.

Students can master the sentence structure: “It’s heavy/small/big and light...”.

Ability aims:

Students can use the sentence structure by listening and reading some easy sentences.

Students can describe things’ feature and give some advice.

Emotional aims:

Students would love to know more about the features of many things in daily life.

Students will be more confident when communicating with others in English.

(3)Warming up and Lead-in

Greet students as usual and play a song about travelling. Ask them some questions like if you want to travel, what luggage should you bring? And lead students to answer the question and lead in the topic.

(设计意图：通过播放歌曲和提出问题可以吸引学生的兴趣和注意力，发散思维并很自然过渡到本节课所学话题)

Presentation

Show some clips to teach “light, heavy, small, big...”; Show some real objects like cup and lead students to describe it: It’s heavy... It’s light...

Then ask students to read the words and sentences one by one after the teacher in different ways.

(设计意图：通过不同的方式呈现单词和句型，增加单词教学的趣味性，让学生更容易接受和掌握;利用实物呈现句型，活动的衔接性较好。)

Practice

Activity 1 High and Low voice

Lead students to read the sentences: It’s heavy... It’s light... on the blackboard. When teacher reads sentences in a low voice, students should read in a loud voice and vice versa.

Activity 2 Do an antonym match

heavy big

small light

Then work in pairs to role play the dialogue.

(设计意图：采用游戏的方式练习句型能够增强句型学习的趣味性，寓教于乐，增强单词的识记效果;通过连线的方式，不仅能够巩固句型还能锻炼学生的反应能力，也能锻炼学生的听力。)

Production

Let students make a dialogue by using some words about describing objects and sentence patterns in groups of two: It’s... and choose some groups as representatives to give a performance and teacher gives some positive comments.

(设计意图：通过小组活动的方式培养学生的团队合作能力和团队意识，让学生将所学知识运用到日常生活中去，符合新课标培养学生的综合语言运用能力的标准。)

29.参考答案

(1)歌曲特点

《数鸭子》是一首有五乐句构成的一段体歌曲，C大调，4/4拍，歌曲以“数鸭子”的形式劝诚少年儿童珍惜时光，好好学习;歌词通俗易懂，具有趣味性。歌曲第一乐句旋律主要在主和弦的三个音上进行，显得明亮而热烈;第二乐句节奏显得密集且旋律向下进行，赋予歌曲以活泼的情绪;第三乐句是第一乐句的变化重复，强化了音乐主题;第四、五乐句出现了歌曲的最高音;第五乐句是第四乐句的变化重复且歌词完全重复，突出了歌词内容，曲首的念白和第三乐句中休止符的加入及衬词“嘎嘎”的运用，使歌曲显得生动活泼而有风趣。

(2)教学目标

【情感态度价值观】完整而充分的聆听歌曲，感受小鸭子灵巧的步伐，体会幸福快乐的孩童时光，表达了对未来美好生活的向往之情。

【过程与方法】用敲击、动作、模唱等方式探索、感知节奏的快慢变化。

【知识与技能】体会四分音符、八分音符，并能够用轻快的声音演唱歌曲《数鸭子》。

(3)教学环节

节奏练习：