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教学过程 ：
、课前热身（Warm-up）
1. Free talk
T: Good morning, boys and girls.
Ss: Good morning, teacher.
T: How are you today?
Ss: Very well, thanks.
T: Nice to see you.
Ss: Nice to see you, too.
2. 教师播放歌曲“At a nature park”的录音，全班学生跟着录音唱歌曲，活跃课堂气氛。
二、课前预习（Preview）
师生对话：
T: Is there a blackboard in our classroom?
Ss: Yes, there is.
T: Is there a car in the classroom?
Ss: No, there isn’t.
…
三、新课呈现（Presentation）
1. B. Let’s learn
(1) 教学新单词
① 教学bridge
教师出示课件一张自然公园的图片，图片中包含河流、河流上有桥、草、森林等景物。
T: Look at this picture. What is it?
Ss: It is a nature park.
T: Yes. It’s a nature park. What’s in the nature park? (引导学生用“Is there a forest / river … in the nature park?”提问)
Ss: Is there a … in the nature park?
T: Yes, there is. / No, there isn’t.
T: It’s a beautiful nature park in the picture. There’s a forest, a path and a river in it. What’s over the river?
Ss: It’s a bridge.
教师带读bridge，并强调字母组合“dg”的发音。然后学生练读，并尝试用bridge造句。