Unit 1 It's winter. Teaching Contents:Learn the new words.Learn the base sentences.Teaching Aims:1. Be able to master the main words.2. Be able to learn the base sentences.3. Be able to use them in a proper scene.Main Points:1. Main words:winter spring summer autumn wear jacket sweater2. Base sentences:It’s sping.We wear jackets.We don’t wear T-shirts.Difficult points:1. Learn the sentenc..