题目

关于叶肉细胞在光照条件下产生ATP的描述，正确的是（     ） A．无氧条件下，光合作用是细胞ATP的唯一来源 B．有氧条件下，线粒体．叶绿体和细胞质基质都能产生ATP C．线粒体和叶绿体合成ATP都依赖氧的参与 D．细胞质中消耗的ATP均来源于线粒体和叶绿体 答案：BThe last thirty years _____ the greatest number of laws stopping our rights and progress,until today we have reached a stage ____ we have almost no rights at all. [     ]A. saw; whichB. have seen; thatC. saw; whereD. have seen; where