Mei Li:
What was adopted as the official motto of the United States in 1956 ??
Shuai Zheng:
in god we trust
Mei Li:
The prancing horse is the symbol of which racing car??
Shuai Zheng:
ferrari
Mei Li:
Which country is the largest producer of tungsten (75% of world's output)??
Shuai Zheng:
china