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三、 学习重、难点
1． 重点： 三会（听说读）单词：potato, tomato, onion,green beans, carrot.
2． 难点：单词potato , tomato的复数形式。
四．教学过程
1． 热身&复习 (Warm-up/Revision)
(1)Free talk
T: Hello, boys and girls. Look ! Wow!So many vegetables and animals.(出示课件) Where are we?
S s:We are at the farm. (板书课题)
T: Let’s visit the farm together, OK? First ,let’s visit the vegetables’ farm. Now let’s go and have a look. Are you ready? Let’s go.
2.呈现新课 (Presentation)
Step1:Let’s visit
（1）教学tomato
T: It’s red and round. Look, what’s this?
a.课件出示一个 tomato；教师范读单词tomato ，并板书在黑板上。 b.课件出示tomatoes,教师范读单词tomatoes,并板书在黑板上。 教读 tomato---- tomatoes,学生通过数数理解复数。
（2）学习单词.Potato
课件出示potato，问：Do you know it？French fries are made of it. It’s a potato. Do you like potatoes?问What’s this? 让学生正确回答。强调其变成复数后加“es”。强调 tomato与potato的复数都要加“es”。 教读Potato ---- potatoes
（3） 学习单词carrot
请学生猜谜语：They are long and orange. Rabbits like eating them? What are they? 课件出示carrot ,教师范读单词carrot.学生跟读，教师板书单词carrot。
课件出示carrots，学生跟读。
（4）、学习单词green beans
T:Look! Who can tell me ,what are these?
S s:(知道英语的说英语，不知道的说中文）
T:Yes,very good.They're green beans . I’d like some green beans(可数名词）
（5）.学习单词onion
课件出示onion. Look! What’s this? This is an onion.教读单词并板书。出示onions.问：What are these? They are onions.
(6)Let’s listen
Listen to the tape and read after it.
Group work
Read new words one by one and give students some prizes.
Write new words ,then give students some prizes.