C:基质
A:外膜
B:膜间隙
D:类囊体
“人间四月芳菲尽,山寺桃花始盛开”.对这一诗句描述的自然现象的科学解释为:影响桃花开放的主要非生物因素是( )
I have no time to tell you the whole story_________. In short they got married at last.