Unit 4 Developing ideas What's mine is yours 课文语法填空-2021-2022学年高中英语外研版（2019）选择性必修第四册

Unit 4 Everyday economics Developing ideas What’s mine is yours We’ve been told since we were toddlers that “It’s good to share”. Parents and teachers keep reminding us 1._________(share) toys, snacks, books, happy memories, and sometimes even sorrows with others. When we grow up, we share photos, life stories and opinions with people around us and with those we don’t know via social media. 2.________(take) it as an object of study, psychologists have published various papers 3.___________(state) that the behaviour of sharing is 4.___________(benefit) to setting up positive emotional bonding. Today, the action of sharing 5.__________(take) on extra meaning. It’s not just about sharing sweets or frustration; it 6._____________(expand) to almost every aspect of our lives-the whole world seems 7._________(be) into sharing. We are using technology to reduce the money 8.________ we spend on goods and services, or to make money out of those 9._______ we don’t use ourselves all of the