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Unit8 They are sweet potatoes.教案
教学目标：
能听、说、读、写核心词汇tomatoes, potatoes,peppers, beans, cabbages, those, sweet.并能将其正确、熟练地运用于日常交际中。
能听说读写核心语言Are they potatoes No, they aren’t.并能在真实语境中询问看到的事物，且学会否定回答。
通过本课学习，了解养成均衡饮食习惯的重要性。
教学重、难点：
重点：掌握有关事物的词汇tomatoes, potatoes,peppers,beans, cabbages.
难点：名词复数的变化形式。
教学过程：
Warming up.
Greetings.
T:Class begins. Stand up, please.Good morning, boys and girls.
S:Good morning, Miss Leng.
T:Nice to meet you.
S:Nice to meet you, too.
Sing a song.
T:Boys and girls. Do you like singing
S:Yes.
T:OK. Let’s sing and dance. Are you ready Let’s go!（课件出示歌曲在35’’处）
3.Revision.
T: You all did a good job. Sit down,please. Look ! There is a farm.Is it beautiful
S:Yes.
T:There are some animals on the farm. Can you guess what are they
S:Yes.
T:Look! What are they
S:...（学生抢答）
Presentation.
T: There are also some other things on the farm. Let's go into Unit8 They are sweet potatoes. （引出课题）
T: I have something to eat.Look carefully.(师边说边用橡皮擦擦蒙层呈现西红柿在3’06’’处)It’s red and round. What is it Can you guess
S: It’s an apple.
T: Maybe. It’s sweet and juicy.(继续擦蒙层，在3’18’’处) What is it
S:It’s a tomato.
T: Let’s have a look. (呈现整个西红柿)
Clever! It’s a tomato.(操练tomato)
T: What are those (呈现多个西红柿)
S:They are tomatoes.
T:Good. They are tomatoes. Here we should add es.(擦蒙层呈现字母es，在3’57’’处)(操练tomatoes)
T: Boys and girls. Do you like French fries （课件出示薯条图片）
S: Yes.
T: Do you know what are the French fries made of
S: Potato.
T:Well done! What is it
S: It’s a potato.
T: Super. It’s a potato.(操练potato)
Look, what are they (克隆多个土豆,在5’33’’处)
S:They are potatoes.
T: Super! They are potatoes.(操练potatoes)
T: There are some vegetables on the farm. Where are the potatoes Can you guess You can ask with”Are they... ”(板书) Who wants to come here and guess
S:Are they potatoes (拖拽蔬菜，学习核心句型，在7’30’’处)
S:No, they aren’t.
T：You are right. No, they aren’t.(板书)
Anyone else
S: Are they potatoes
T:Answer together.
Ss: No, they aren’t.
S:Are they potatoes
T:Great! Yes, they are.(板书)
4.T: Boys and girls. Today I bring you a magic gift. Let’s have a look. There are some magic seeds. I will have a magic for you! Look carefully! Look! The seeds become the stems. Wow, the leaves are coming out! Let’s go on. What are they （植物生长过程，在9’30’’处）
S: They are flowers.
T: Clever! Next, What are those Are they tomatoes
S: No, they aren’t.
T: What are they
S: They are peppers.
T: Great. They are peppers.(操练peppers)
T: Do you like peppers
S: No, I don’t.
T: How about you Do you like peppers
S: Yes, I do.
T:Good! We should eat more peppers. They are good for our health. OK
S: OK.
T: Next. I have some words. Let’s have a look! Can you read these words
(tea-peach-teacher-beans通过语音引出新单词beans.在11’38’’处)
T: Dear students. I have given you some magics. Next, There is also a friend. Let’s have a look what is it
S: It’s a dog.
T: Right. Do you know what is the dog made of
S: Cabbage.
T: Yes. It’s made of cabbages. Look, what is it （卷心菜层层出现，在13’24’’处）
S: It’s a cabbage. (操练cabbage)
T: Look, What are those (出现两个卷心菜)
S: They are cabbages. (操练cabbages)
T: (情感升华：出示蔬菜水果制作的物品图片,让学生感受生活中的美无所不在。 在15’13’’处)Boys and girls. Vegetables and fruits can not only be eaten, but also make some beautiful things. I have some pictures. Let’s have a look! Wow, so many beautiful things. There are some animals, trees, and flowers. All of them are made of vegetables and fruits. Beauty is everywhere. Boys and girls,after class you can collect more pictures like these, OK
S: OK.
Play games.
T:After enjoying the beautiful pictures.Let’s play a game, OK
S:OK.
T: Look! Here is the game rule. who can read the rule
S:...
T: Clear Now ,group1 and group2 have a PK. Let's rush to answer. Are you ready Let’s go!(利用希沃易课堂抢答功能，在16’42’’处)
Let’s chant.
T: I have a chant about vegetables. Let’s chant together! First, I ask and you answer, OK （课件出示chant,在19’54’’处）
S:OK.
T: Let’s go!
Cabbages, cabbages.Are they cabbages
Yes, yes.Yes, they are.
Tomatoes,tomatoes.Are they tomatoes
No, no. No, they aren’t.
Beans,beans. Are they beans
Yes,yes. Yes, they are.
Corns,corns. Are they corns
No, no. No, they aren’t.
T:It’s a sunny day. Miss Lin and her students go to a farm. What do they see on the farm Let’s listen to the tape and answer the questions.
What are those on the tree （白板笔圈树上的苹果21’20’’）
Are the potatoes (白板笔圈出红薯)
T: OK. Let’s listen to the tape.
T: OK. Stop. Who can answer the first question
S: They are apples.
T: Who can answer the second question
S:No, they aren’t.
T:Great. What are they （用放大镜功能学习sweet potatoes，在22’33’’处）
S:They are sweet potatoes.
T:Clever! They are sweet potatoes.(操练)
Practice.
Practice the dialogue.
(1)T:Boys and girls, open your book to page 43. Read the dialogue after the tape.
(2)T:It’s time to read by yourselves. Read the dialogue in your groups and then act it out.（课件出示课文图片，学生小组内练习读课文，在23’55’’处）
五．Consolidation
T: Boys and girls. Do you like travelling Children’s Day is coming! Where do you want to go Let’s go to the farm. Today you are the little guide!（课件出示农场图片，学生小组创编对话。在26’06’’处）Make up a new dialogue in your groups and then act it out. Let’s begin!（小组汇报，在27’56’’处）
六．Emotional education
T: You all did well. Boys and girls. More and more children become fatter and fatter. Do you know why Because they eat too much meat and fast food. I think we should eat more vegetables and fruits to keep a balanced diet. So boys and girls, please remember: No junk food, but more vegetables and fruits.（情感升华：学生培养均衡的饮食习惯，远离垃圾食品，多吃水果蔬菜。在30’处）
七．Sum up.
T: What have you learned today （在30’45’’处）
S: I learn...
Homework.
1.Collect more pictures about vegetables and fruits
2.Design a farm with your partner.
T: OK. Class is over. Goodbye, boys and girls .
S: Bye!

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