介绍： 版权归原作所有，仅供此学习，若有侵权请告知删除。
[11:57.55]The last reading.
[12:00.07]The Interstate Highway System
[12:03.37]The Interstate Highway System in the US has almost 70,000 kilometers of roads.
[12:11.04]The highway passes through different areas
[12:14.19]that are wetlands, mountains and deserts....

介绍： 版权归原作所有，仅供此学习，若有侵权请告知删除。
[11:57.55]The last reading.
[12:00.07]The Interstate Highway System
[12:03.37]The Interstate Highway System in the US has almost 70,000 kilometers of roads.
[12:11.04]The highway passes through different areas
[12:14.19]that are wetlands, mountains and deserts.
[12:17.38]The interstate system links every major city in the United States.
[12:22.48]It also links the United States with Canada and Mexico.
[12:26.81]The Interstate Highway System has been an important part of the nation's economic growth
[12:33.53]during the past 40 years.
[12:35.78]Experts believe that trucks using the system
[12:39.48]carry about 75 percent of all products that are sold.
[12:43.98]Jobs and new businesses have been created
[12:47.85]near the busy interstate highways all across the United States.
[12:52.27]These include hotels, motels, eating places, gasoline stations and shopping centers.
[12:59.76]The highway system has made it possible for people to work in a city and live outside it.
[13:06.68]And it has made it possible for people to travel easily and quickly
[13:11.84]from one part of the country to another.