课程(7)Protect The Earth Step 1 Leading in :Spoken English 背诵A day at school Have a dictation Step 2 Presentation 短语Look at the photos of the earth ,Answer the questions below. Before you read :Whats the title of the article?_What is the poster about?_What things are there on the Earth?_ Facts about the EarthDetails about itEarth is beautifulThere are forests and r