选择性必修第四册 UNIT 12　INNOVATION 课件(共41张PPT)+ 学案（含答案）2026届高中英语北师大版（2019）一轮复习

UNIT 12　INNOVATION 重点1　练学核心词汇 教材里寻金 1.My expectations were ________ (reduce) to zero when I was 21. 2.With the development of computers, people expected to get more things done ________ (efficient). 3.During the Cold War, a “huge network” of computers were ________ (propose) by two American scientis...