【简答题】Because of changing circumstances, the Statue of Liberty standing at the entrance to New York City is no longer as welcoming to would-be immigrants as she once was.
【单选题】At one time it was the most important city in the region ---- a bustling commercial center known for its massive monuments, its crowded streets and commercial districts, and its cultural and religious...
A.
Teotihuacan, once the home of 200,000 people, was the center of a large empire.
B.
Many archaeologists are fascinated by the ruins of a pre-Columbian city called Teotihuacan.
C.
Teotihuacan, once a major metropolitan area, was destroyed by an invasion.
D.
A still unsolved mystery is why the people of Teotihuacan suddenly abandoned their city.