In 1956, the U.S. Congress passed the Federal-Aid Highway Act creating the nation’s interstate highway system. This legislation connected the country, creating a web of freeways that now totals some 47,000 miles — nearly enough to circle the Earth twice. Construction of the interstate system allowed for efficient, fast, and safe car travel, making it easier for people to commute and transport goods.

要点

1. 词汇

   interstate

2. 数字

   1956

   47000

3. the + 元音开头单词

   circle the Earth

   construction of the interstate

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