题目

NamePersonal Information Ludwig von BeethovenBorn in 1770 in Germany A musician Died in 1827 Florence NightingaleBorn in Italy on May 12th, 1820 An English nurse Died in 1910 Bill GatesBorn in 1955 in the USA Wrote Business @ the Speed of Thought Owns Microsoft Thomas EdisonBorn in 1847 in the USA Made over 1000 inventions Died in 1931 Yao MingBorn on September 12th , 1980 in Shanghai, China A basketball player Played in the Houston Rockets, USA 1  Thomas Edison is from ______. A. Canada  B. Italy   C. the USA  D. China 2  The ______ was born in 1770. A. musician   B. nurse函数的定义域为____________________.