精选优质文档-倾情为你奉上Unit ninePart one phrases1. make much/ great progress 取得很大的进步2. sustainable development可持续发展3. spread all over the world/ across the world/ throughout the world传遍全世界4. be contaminated with the waste被废物污染5. poor sanitation卫生状况恶劣6. cause more than seven million deaths引起七百万人死亡7. have no access to clean drinking water喝不到清洁的饮用水8. all too often 时常9. global development全球性的发展10. stress the need for equality and fairness强调平等和公平的必要性11. have a
