2019届一轮复习人教版必修四Unit2Working the land单元学案(28页word版)
break up 分裂；打碎
多维训练
写出下列句中build up的含义
①For one thing, it not only helps to build up our physical health, but helps us learn more effectively in turn.(2015·广东高考写作)__增强……的体质__
②He devoted himself to building up the ruined country.__建立__
③Don't let your anger build up, which is harmful to your health.__积累__
选用上述短语填空
④It didn't take me long to__pick_up__the basic knowledge of the language.
⑤We were__dressed_up__for the party but she was still in her ordinary clothes.
⑥Many retired people__take_up__gardening as a hobby.
精析句型结构
1．If_so,_what did you do to grow them?
如果这样的话，你做了什么来种植这些植物？
归纳拓展
if so如果是这样的话，是if引导的条件状语从句的省略形式，表示肯定意义；如果表示否定意义，则用if not。when, whenever, though, although, unless等连词也常见于省略句结构中。
if构成的其他省略形式：
if any如果有的话