A:陈独秀
B:胡适
C:康有为
D:鲁迅
Terry and his team members were the first how the disease spreads from animals to humans.
54×16-16×34=____
把标有“220V 40W”的灯泡L1和“220V 60W”的灯泡L2串联接入220V电路两端,下列说法正确的是( )