英语人教版三年级下册Unit3 At the zoo（B.docx

Unit3 At the zoo（B） Lets learn教学目标：1、 能听、说、认读bigsmalllongshort四个形容词，了解short的另一含义，并知其反义词tall2、 激发学生充分动用已学过的知识，进行发散性认识。3、 学习句型look at the -,.it is -,并能进行创编，成一个新的chant教学重难点：重点：1、听、说、认读几个形容词 small, big, long, short 。2、运用所学过的知识，学说带有这些形容词的语句。难点：1、单词small 中 l 的发音，舌头要上卷。2、运用bigsmalllongshort四个形容词进行创编，成一个新的chant教学工具：多媒体教学过程：1、Warm uplets chantLook at the cat,it is fat.Look at the pig ,it isbig.Look at the monkey,it is funny.Look at the mouse ,in my house.ahhh!2、呈现新课 (presentation)(1)教学bigT(出示一只大盒子): Today, I prepare a gift for you . Look, whats this? Ss: Its a box. T: Yes, its a box, its a big box, this box is big.出示单词卡，学习big. B b b bigCAI(出示许多大的物品，让学生练说)a big _Look at _.It is big._is big.(2)教学smallT: Look at the big box. There is something in it . Please, guess whats in it? Ss：. T: Look ,its a box, too. Its a small box. The box is small.出示单词卡，学习small sm all small操练： a small _Look at _.It is small._is small.(3)CAI: Can you say?_is big ,_is small(4)教学long and shortT: Whats in the small box .Let me open it ad see. Oh,its a ruler. Its a short ruler. The ruler is short.出示单词卡，学习short sh or t shortT: This ruler is a magic ruler. It can turn long, long, long. Let me say something to it” Long ,long, long, make yourself long. Long, long, long, make yourself long.”(边说边将尺子变长了) Look, the ruler is long, now.出示单词卡，学习long l ong long出示一对铅笔，两束头发让他们作出变化shortlong longshort(5)描述短的钢笔，长的铅笔，并编成一个chantshort, short pen ,the pen is short, look at the pen ,it is shortlong, long pencil ,the pencil is long, look at the pencil ,it is long(6)单词操练听录音，跟读用动作表演: 看教师做师生一起做Lets do (Big, big, big, make your eyes big. Small, small, small, make your eyes small. Long, long, long, make your arms long. Short ,short, short, short, make your arms long.) 教师说，学生做找出反义词:教师向学生介绍这两对反义词(结合板书)师生通过动作来表演反义词连线3、拓展与延伸(1) 教学单词tall学习tall,并在班级中找出Who is short? Who is tall?Let,s do (Tall, tall, tall, make yourself tall. Short, short, short, make yourself short.)(2)仿编chant4、Homework1、Read the dialo