3AUnit2 Nice to meet you

part a:learn to say
教學目標：
    1、掌握單詞miss,mr,認識miss li、mr green、wang bing和helen。
2、能聽懂、會說、會讀日常交際用語this is ...good morning.good afternoon.nice to meet you.nice to meet you,too.并能用所學交際用語介紹他人和互相問候。
重點難點：
能用所學交際用語this is ...good morning.good afternoon.nice to meet you.nice to meet you,too. 介紹他人和互相問候。
教學過程：
一、重難點突破
（一）、free talk
t:class bigans. hello,boys and girls.
ss:hello,miss fu.
t:hello,what’s your name?
s1：i’m …
t:hello,what’s your name?
s2:i’m …
t:good morning.
s2:good morning.(師引導生答)
（二）教學good morning和good afternoon
1、t：hi,what’s your name?
   s3:i’m …
t:good morning.
s3:good morning.
…
2、出示“good morning”詞條
3、t：good morning　（read after the t）
   ss: good morning
   t：good
   ss: good
   t： morning　
   ss: morning
   t：good morning　（板書）
   ss: good morning
4、t:hello,…good morning
   s1: good morning
   t:hello,…good morning
   s2: good morning
   s2: hello,…good morning（與后面一位同學說，直到最后一位同學）
   s3: good morning
5、boys and girls，this is a clock.（同學們，這是一面鐘。）it’s four o’clock .(現在是四點鐘了)can we say “good morning”?
   ss:no.
       t:yes.we should say “good afternoon”.
6、出示“good afternoon”詞條
　 t:read after me. good afternoon
   ss: good afternoon
t: afternoon
   ss: afternoon
   t: good afternoon（板書）
   ss: good afternoon
7、t:hello,good afternoon
   s1: good afternoon
   t:hello,good afternoon
   s2: good afternoon
   s2:hello,good afternoon（與旁邊的同學說，直到最后一個）
s3: good afternoon
8、work in pairs
9、指名學生說
　　10、here are some children.(老師這有一些小朋友)let’s say “good morning or good afternoon”to them.(讓我們用good morning或good afternoon來和他們打招呼吧！)
課件出示第一幅圖
s1: good morning,david
t：together(一起說)
（三）、have a rest
sing a song 《hello》
t：ok,you are welldone.let’s sing a song (讓我們來唱一首歌)
播放課件，師生同唱
（四）認識helen,wang bing, miss li ,mr green
1、t:boys and girls,who is helen?(誰是helen呢？)
　yes,this is helen.(出示helen頭像)
t:helen(出示詞條，并板書)
ss: helen
t:read after me.this is helen.
ss:this is helen
 t: this
ss:this
t:is
ss:is
t:this is
ss:this is
t:this is helen.
ss:this is helen
2、出示liu tao ,david,mike,yang ling,nancy頭像練說this is …