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Part 1
Listen to the follomng dialogue and interpret it as required. After you hear a sentence or a short passage in Chinese, interpret it into English by speaking to the microphone. And after you hear an English sentence or short passage, interpret it into Chinese. You mil hear the dialogue only once.
赵：“地球日”是怎么回事？什么时候开始的？都取得了哪些成就？
Smith: Earth Day was started in 1970. It was set to help raise the general public’s environmental awareness. For one thing, it provides a special day to remind people to take care of the Earth. It also gives special interest and environmental groups an opportunity to motivate their members to take action in their communities.
赵：听起来不错。可就在环保取得成绩的同时，人口膨胀，臭氧层空洞，全球气候变暖这些问题一点也没有改善。地球人口越多，资源消耗的越多，产生的垃圾也越多，到时连种粮食的地都没有了怎么办？对此我们决不可掉以轻心。
Smith: That is certainly true. By the year 2005, there will be 7 billion people on the planet. I personally think that recycling is the answer. Paper, metal, rubber, oil, and many other materials are going to have to be recycled on a much greater scale. Everyone will have to be involved. Perhaps even special legislation will be required. It is true that we are losing millions of hectares every year to housing and roads. But there is still a lot of undeveloped land that could be used for both farming and housing. And science and technology is helping us to get more out of the land that is used for fanning.
赵：那么今年“地球日 ”你打算都干点什么呢？
Smith: I will probably attend our city’s annual “Earth Day” celebrations and then help pick up the mountain of garbage left over.
