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ren after her own good fortune in 8) surviving the hardship of the Nazi occupation of Holland. She began her permanent ambassadorship in 1988 and 9) embarked on trips to many countries. She was always positive: People in these places don39。奧德麗最初在1954開始為兒童基金會(huì)工作,從事廣播節(jié)目。Unit 4Why would you leave behind your fortable bed, your home, your family and friends? Why do you want to go alone? When you are living out of a backpack for a period of time, you may often get questioned why. I seldom get time to sit down and 1) contemplate the reason I travel, but I believe that you only begin to truly live once you step outside of your 2) fort zone. My first overseas trip was at 14 years old, which 3) sparked my curiosity for the world. Since finishing high school I have 4) ventured through various countries and been amazed by all the 5) diverse cultures scattered around the globe. My eyes are my greatest asset as they have 6) witnessed the most beautiful scenes that replay in my mind every day: 7) stunning landscapes, friendly locals, breathtaking architecture, and food that makes your mouth water once your eyes catch a(n) 8) glimpse. Traveling teaches you to be independent in the most 9) positive way. I know how to depend on myself, go out and meet people, and not let anyone else39。旅行教會(huì)你以最積極的方式獨(dú)立。Unit 7American economy is built on credit. In the last decade, however, cheap credit made it too easy for people to buy houses based on pure speculation that real estate value would endlessly continue to increase. But the housing 1) slump set off a chain reaction in our economy. Individuals and investors could no longer resell their homes for a quick profit, 2) mortgages no longer became affordable for many homeowners, and thousands of mortgages defaulted(違約), leaving investors and financial institutions to face the terrible consequences. Ironic, isn’t it? Yes, it is true that credit got us into this mess. But it is also true that our economy is 3) incredibly unstable right now, and being that it is built on credit, it needs an inflow of cash or it could e 4) crashing down. This is something no one wants to see as it would 5) spread through our economy and into the world markets in a matter of hours, potentially causing a worldwide re