阅读理解填词 阅读下面短文，在空白处填入适当的单词，单词的第一个字母已给出 Susan is the daughter of the famous environmental scientist Clark. But the woman has become an environmentalist on her o __________(1). In 1992, the first UN Earth Summit(峰会) was held in Rio de Janeiro. Thousands of people from around the world h __________(2) for it to talk about the Earth s tomorrow. Twelve-year-old Susan and three of her friends formed a group. They raised money to travel to Rio to a __________(3) the summit. At the summit, Susan said that the state of the environment w __________(4) her a lot. "You don t know how to fix the holes in our ozone layer (臭氧层). You don t know how to bring back forests that once g __________(5) where there is now desert. If you don t know how to fix the Earth, please stop b __________(6) it!” The six-minute speech silenced all the people and made them fall into deep thinking. After that speech, Susan began to lead “two lives.” On the t __________(7) days, she was a schoolchild. But during her vacations, she s __________(8) internationally about the environment. Now, nearly 30 years has passed since Susan made her Rio speech. Although many of the world s environmental problems have only become w __________(9), Susan does agree that some things are different now. More and more people give voice like Susan because they have realized the importance of the environment "Thirty years ago, I was fighting for my tomorrow. Now, I am fighting for the f __________(10) of my sons," says Susan, now a mother of two, who has kept calling people s attention to climate change.