National standards for paved roads were in place by 1921. [br] Trucks using the

游客2024-03-06 43

问题 National standards for paved roads were in place by 1921. [br] Trucks using the interstate highways deliver more than ______.

选项

答案 75 percent of the nation’s freight

解析见第八段第一句。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3511184.html

相关试题推荐

随机试题

最新回复(0)

[originaltext]IndependenceDayisthenationalholidayoftheUnitedStates