题目内容
The westward expansion is a demonstration of American ___.
查看答案
搜索结果不匹配？点我反馈
更多问题
With the arrival of the 20th century, the US became increasingly urbanized, particulary in the ___ cities.
As the world's leading maker of industrial goods, the US now produces around ___ of the world's industrial products according to the text book.
___ are the factors that have contributted to the development of the US economy.
Hamilton believed that the US should pursue economic growth through ___
微信支付 
支付宝支付