四下U4 At the farm A Lets learn.ppt

1、Unit 4 At the farm,Unit 4 Part A Lets learn & Lets do (P39),下一页,（单击图片，播放动画）,【step1预习练兵】Listen, read and follow,下一页,（单击图片，播放动画）,Fight to the end 让我们一起闯关，争当“蔬菜小百科”。,【step2课堂互学】合作探究,Round 1（第一关）说一说,This is a beautiful farm. Lets go to farm and learn some vegetables !,tomato,tomatoes,Tomatoes, tomatoes.

2、 Look at the tomatoes. Theyre so_.,big small long short red sweet ,potato,potatoes,big small long short red sweet ,Potatoes, potatoes. Look at the potatoes. Theyre so_.,carrot,carrots,Carrots, carrots. Look at the carrotes. Theyre so_.,big small long short red sweet ,green beans,Carrots, carrots. Lo

3、ok at the carrotes. Theyre so_.,big small long short red sweet ,Round 2（第二关）【Step3 当堂反馈】导学案P43,C,C,tomatoes,Round 3（第三关）Look and say,potatoes,carrots,green beans,Round 4（第四关）Guessing game,potatoes,What are these? Theyre _.,I like potatoes.,Round 4（第四关）Guessing game,tomatoes,What are these? Theyre _.

4、,I like tomatoes.,Round 4（第四关）Guessing game,green beans,What are these? Theyre _.,I love to eat green beans.,Round 4（第四关）Guessing game,carrots,What are these? Theyre _.,Carrots I will try.,Round 5（第五关）Lets chant,下一页,（单击图片，播放动画）,Round 6（第六关）【拓展延伸】导学案P43,名词单数变复数口诀（规则变化）： 名词单数变复数，直接加-s占多数； s,x,z,ch,sh来

5、结尾，直接加上-es； 词尾是f或fe,加-s之前先变ve； 辅母+y在词尾，把y变i再加-es； 词尾字母若是o，常用三个已足够， 要加-es请记好，hero，tomato，potato。,tomatoes,potatoes,carrots,books,apples,chairs,你还知道其他蔬菜吗？,cabbage 卷心菜 Chinese cabbage 白菜 broccoli 西兰花 pumpkin 南瓜 onion 洋葱 corn玉米,Round 7（第七关）【拓展延伸】 名词复数知多少,你们太棒了！ 颁发“优秀蔬菜小百科”证！,教学小结,（2）Talk about your favorite