2b铅笔和hb铅笔有什么区别_2B Unit2 In the circus 教案

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教材分析：
本课是本单元的第五课时，教学内容较多、语篇较长，是二年级学生接触英语以来遇到的最长语篇。为了降低难度，也为了消除学生可能出现的畏难情绪。我将本课的语篇分段教学，创设一个个任务，让学生在完成任务的过程习得语言、体验成功。
教学目标：
1．知识与技能：
(1) 能听懂、会说句型 “i have… she has… he has…”,并能在各种情境中得体运用。
(2)形容词“big, small, little, fat, thin, long, short, tall”的运用。
(3)掌握特殊疑问句“who is my friend? who is she?”的用法。
2.过程与方法 ：以活动为主线，采用任务型教学途径，让学生在玩中学、学中玩，寓学于乐。
3．情感态度价值观：通过各种游戏活动激发学生的学习兴趣，在小组活动中培养他们的合作、参与意识，形成良好的团队精神。同时渗透思想教育，即动物是我们的朋友，要爱护动物。
教学准备：动物卡片、单词卡片、头饰、课件
教学步骤：
step 1.greetings
good morning. how are you?
who is she/he/this boy/this girl?
step 2.warm up
a.   say and act
t: long, short, big, small, little, fat, thin, tall, short.
b.   listen and do
t: touch your eyes/nose/ mouth/ears/face.
[设计意图：通过tpr活动，让学生在对形容词进行体验性表演中加深对单词的理解和记忆。同时对身体部位单词的复习,为下面的教学作了铺垫。]
step3. revision
a   ask and answer
t: what do you see?
s: i see a rabbit/ frog.
b   describe and guess
    revise the words: monkey, horse, bear, elephant, panda and tiger.
    例如 t:  look at this animal. it’s big and grey. it has two big ears and a long nose. what is it? (将卡片反过来)
step4.presentation
    1.friend
a.   t: look at these animals. do you like them?
me too. they’re our friends. do you know friend?
you’re my friend. she is my friend. we are friends.
b.  read and spell ‘friend’.
c.  t: do you have a friend? who is your friend?
s1: yes, i do. s2 is my friend.
s3: …
2.little, long, i have… ,he has…
a.  t: i have a friend. （点击后屏幕出现该句）
 who is my friend? let’s look! oh, he’s an elephant.
（点击后屏幕出现大象）
look at my friend. what color is he?
s: he’s grey. （点击后屏幕出现该句）
t: is he little? (动作辅助)
s: no, he’s big.
t: yes, he’s not little.
b.read and spell ‘little’
c.t: is he fat?
s: yes, he’s fat.
t: good. he’s big and fat. （点击后屏幕出现该句）
d. t: look at his nose. is it long? (动作辅助)
s: yes, it’s long.
t: he has a long nose.
e. read and spell ‘long’
f.t: look at his ears. are they big?
s: yes, they’re big.
t: good. he has a long nose and two big ears.（点击后屏幕出现该句）
3． read these sentences together.
[设计意图：这个过程是语言输入的基础阶段。通过创设“介绍我的一位动物朋友——大象”这个情境，将本课的新语言点逐一呈现。让学生仔细观察大象的外貌，然后回答老师提出的问题，问题层层深入，引导学生积极思考、主动参与语言学习的过程。]12
4．the riddle
   t: look! who is she? （点击后屏幕出现may）
s: she is may.
 t: may has a friend, too. （点击后屏幕出现该句）
（戴上may的头饰）
t: now i’m may. who is my friend? you can ask me some questions. then i’ll tell you something about her.
s: what color?
   is she big?
   is she fat?
   …
t:  (answer these questions and present: she is little and white. she has two red eyes and two long ears. look at my friend. who is she?)
（点击后屏幕出现以上句子）
    [设计意图：设置悬念、引起注意、激发兴趣。让学生猜一猜may的朋友是谁，抓住了孩子们的好奇心，学生们积极动脑，在猜的过程中自然地运用了刚学的新词。老师再适时地将课文内容呈现出来，让一切都水到渠成。]
step 5 practice
a.listen to the tape and repeat.
b.read in pairs.
c.invite someone read it out for us.
选择时机，回归课本。对学生听、说、读等方面的能力进行全面培养，使各种能力相辅相成。
step 6 sing an english song
t: good job!  here’s a song for you. let’s sing it together.
[设计意图：在这里安排一首本单元的英语歌曲，既起到了复习巩固的作用，欢快的节奏又让学生紧张的情绪得以放松，以饱满的精神投入下面的学习，同时也为下面的改编歌曲埋下伏笔。]
step 7 consolidation
task1: four students in a group. each group choose one animal and compose another riddle.
invite the groups to read their riddles to the class. the rest of the class guess what the animal is.
task2: sing the song again , but each group must change the words.
invite the groups to act out their new songs to the class.
[设计意图：此环节是语言的输出过程。我采用任务型教学途径，围绕目标、落实目标，以学生为主体，以小组合作为学习方式，以学生感兴趣的活动：编谜语、改编歌曲为主线，引导学生团结协作、积极实践、大胆创新，从而成功地完成语言的输出。]
step 8 homework
a.listen to the tape and repeat several times.
b.read their new riddles to their parents.
c.sing their new songs to their parents.
[设计意图：作业是课堂的延伸，是及时复习所学知识，与遗忘做斗争的有效手段，同时可让学生通过完成作业充分体会到学习成功的喜悦。]
2b unit2 in the circus 教案 来自。 12

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