Unit 12 MY FAVORITE SUBJECT IS SCIENCE. (The 1st period Section A 1a – 2d) Teaching aims (教学目标) 1. Learn to talk about ss’ favorite subjects and give reasons. (学会谈论自己喜爱的学科并给出理由。) 2. Revise some adjectives. (复习一些形容词。) Language points(语言点) 1. 要求掌握以下句式: