Unit 4 Sharing Section Ⅰ Warming Up &;Reading-Pre-reading The world is not made of bricks and mortar 泥浆. Itis made up of people interacting 相互影响 with each other andsupporting each other.Each year volunteer workersput in hundreds of thousands of hours in a huge range of activities.Sometimes theyare in formal organizations; more often they are simply helpingout those in the neighborhood less fortunate than themselves.What they have in common is that they are doing their volunteer work because they want to, not because they are paid.,International Volunteer Day celebrates one of the most honorable jobs in the world — being a volunteer.Many notforprofit and nongovernment organizationsrely on the devotion of volunteers and International Volunteer Day gives these organizations an opportunity to acknowledge 认可 their efforts.The United Nations GeneralAssembly联合国大会 established International Volunteer Day in 1985.International Volunteer Day is the perfect time for an organization to express thanks to its volunteers.Section_ⅠWarming Up & Reading — Prereading[原文呈现][读文清障]A LETTER HOMEDear Rosemary,Thanks for your letter, which took a fortnight① to arrive②.It was wonderful to hear from③ you. I know you're dying to④ hear all about my life here, so I've included⑤ some photos which will help you picture ⑥ the places I talk about⑦.You asked about my high school. Well, it's a bush school — the classrooms are made of bamboo and the roofs⑧ of grass. It takes me only a few minutes to walk⑨ to school down a muddy⑩ track⑪. When I reach the school grounds there are lots of “good mornings” for me from the boys. Many of them have walked a long way, sometimes up to⑫...