Unit 1 Science and Scientists Learning About Language 学案（含答案） 高中英语人教版选择性必修2

一、温故 1. ________ (blame) by his teacher, the boy was frustrated and couldn’t concentrate on his study. 2. The ancient Chinese invention of paper-making, along with printing techniques, ________ (transform) the way knowledge was spread across the world centuries ago. 3. With so many urgent tasks ____...