如图描述的是中国历史第一次大规模的农民起义,它的领导人是( )
A:陈胜、吴广
B:陈胜、项羽
C:项羽、刘备
D:吴广、刘备
已知某两种物质在光照条件下能发生化学反应,其微观示意图如图:(一种小球代表一种原子)则下列说法正确的是( )
-- Do you know ______ our Chinese National Symbol of Day (国家公祭日) is?
-- Yes, it's on December 13th. It's in memory of the people_____ were killed in Nanjing Massacre.
孟德尔验证“分离定律”假说的最重要的证据是( )