The Interstate Highway System The Interstate Highway System in the US has almost 70,000 kilometers of roads. / The highway p

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答案 The Interstate Highway System The Interstate Highway System in the US has almost 70,000 kilometers of roads. / The highway passes through different areas / that are wetlands, mountains and deserts. / The interstate system links every major city in the United States. / It also links the United States with Canada and Mexico. / The Interstate Highway System has been an important part of the nation’s economic growth / during the past 40 years. / Experts believe that trucks using the system / carry about 75 percent of all products that are sold. /

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