1、知识准备：
A）New words :(试着翻译这些单词）
Land _____member _____ best _____ built _____ Paul _____ glue _____ myself _____ rocket _____ launch _____ adult _____ join _____ Club _____ prize _____ Wood _____ field _____ either…or… _____ compete _____
B)讨论以下两个问题：1.Have you ever made scientific models?
2.What are they?
2、揭示课题：Lesson 53 What's Paul's Hobby?
