2b铅笔和hb铅笔有什么区别|2B Unit 3 What can you see? （The first period）

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一、教学目标：
1．words: plane, boat, jeep, train
2．sentences: what can you see? i can see …
二、教学重难点：
1．words and sentences.
2．能用所学句型what can you see? 提问别人看到了什么，并能用i can see …描述自己所看到的东西。
三、教学准备：
1．课件。
2．学生作业纸。
四、教学过程：
step 1 warm up
t: we will begin our class now. children, if you do a good job in class, i’ll give you a price. so let’s come on. ok?
[通过给出要求和奖励，提高学生在课上的积极性。]
1.greetings.
2.free talk: hello, what’s your name? how are you? what can you do?
[通过日常对话营造英语课氛围，并复习已学句型what can you do?为新授句型what can you see?做铺垫。]
3.sing a song: at the market.
[通过歌曲激发学生兴趣，歌曲中的we can see…句型也为下面的新授句型i can see…做了准备。]
step 2 presentation
1.teach the sentences.
a. t: what can you see in the market?
[让学生回答歌曲中出现的东西，自然引出新授句型what can you see？也易于学生理解。]
b. t: children, it’s ten o’clock at night. it’s dark. we can hear some voice in the market. let’s go and have a look. ok? 同学们，现在天黑了，超市里有声音，我们去看看超市里有什么好吗？please listen to my question carefully. what can you see in the market? you can say’ i can see …’
[通过透视镜功能吸引了学生的注意，让学生能集中注意力去看东西，进行新授句型的学习。]
2.teach ‘plane’
t: let’s play a guessing game. what’s this? guess. oh, it’s a plane. children, if you are happy, how do you read this word? (sad/ angry/ surprise/ …) we also can call it airplane. where can we see the planes? (airport)
[用让学生猜谜的游戏能调动学生积极性，并通过擦除功能一点点展现图片，使学生能完全跟着老师走。在读新单词时采用让学生使用不同的情绪来读单词，使单词学习人性化。]
3.teach ‘boat’
show a picture
t: look, here’s a picture. what can you see in the sky? (plane, kite) what can you see in the river? (duck, boat)
[把单词和句型结合在一起操练学习，并为新单词的引出做了铺垫。]
t: oh, how to read this word? can you read this word? (coat—boat)
t: 现在让我们模仿小动物的声音来读这些单词
t: read the word as a cat….
t: here’re some boats. let’s learn how to read them. (duck boat, sail boat, dragon boat)
[让学生通过已学单词自己说出新授单词的发音，并通过模仿不同小动物的声音来操练新单词，增加他们的兴趣。再进行单词的拓展训练。]
4.teach ‘train’ ‘jeep’
t: now, let’s play a game ‘listen and guess’
  can you make sentences with the word? for example: i can see a long train.
[通过听声音猜单词的方式来学习新单词，学生比较感兴趣。而且让学生再进行造句的练习，把单词和句型结合在了一起。]
step 3 practice
1.exercise ‘look and match’12
t: what can you see? how to read this word? now let’s do the exercise ‘look and match’. who can come here and do the exercise? now let’s check the answers.
[用拉幕一个个展示所学单词，并通过看图片和单词分别来复习，达到对单词音形义的掌握。最后通过一个练习来检查学生对单词的掌握情况，并当场进行检测。]
2.game ‘find and move’
t: i have some pictures. please put them in the correct places. then say the sentence: boat, boat, i can see a boat.
[用游戏的方式把单词和句型的练习结合在一起。]
3.game ‘memory king’
t: now let’s play a game ‘memory king’. here’re six numbers. let’s read them first. behind the numbers there’re some pictures. please try to remember where they are. i’ll give you 5 seconds. now time’s up.
   what can you see in picture 1?
t: who wants to be the teacher? come here and ask.
[用游戏来巩固学生对本课单词句型的掌握。并通过让学生做小老师增加了游戏的互动。]
4.exercise ‘listen and choose’
[给学生做适当的听力练习是低年级的一个重要环节。]
5.sing a song ‘walking, walking’
[通过歌曲演唱让学生放松一下，做适当的休息。]
step 4 presentation
1.t: look, who are they? (su yang and her dad.) they are at the airport. what are
      they talking about? try to discuss in pairs.
ss: ….
t: let’s watch and listen.
[课文的学习。通过给出场景，让学生在已学过本课句型的基础上自己去发挥，能起到让学生综合运用本课句型的目的。]
2.open their books and read.
[指读练习在低年级也是比较重要的一个环节。]
3.t: now i’ll show you a picture. please make dialogues in pairs. use the sentences
 ‘what can you see? i can see…’
[在完全掌握本课句型以后，让学生做适当的拓展练习能培养他们的发散思维。]
step 5 consolidation
t: children, it’s happy time. please draw a picture. you can draw anything you have learned. then ask and answer in groups.
t: who wants to come in front and draw here? when you finish drawing, you can ask your classmates ‘what can you see?’
[通过让学生上台做画，并操练句型。互动性的环节既提高了学生的兴趣，又在不知不觉中操练了本课句型。]
step 6 homework
   visit a zoo and a park with parents, then talk about what you can see.
[开放性的作业让学生能综合运用本课所学。]12

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