Mei Li:
What was invented by Rene Laennec in the early 19th century??
Shuai Zheng:
stethoscope
Mei Li:
In one of only 2 unanimous elections by the U.S. Electoral College, George Washington was elected to the first ever presidency in what year??
Shuai Zheng:
1789
Mei Li:
"Who sang ""These Boots are Made for Walkin'""?"?
Shuai Zheng:
nancy sinatra