题目

It was the last day of the final examination in a large eastern university. On the steps of one building, a group of engineering seniors gathered, discussing the exam due to begin in a few ___________ On their faces was confidence. This was their last exam before they went on to _________and jobs.Some talked of jobs they already had; others talked of jobs they ________get. With all this assurance of four years of college, they felt ready and able to take _________of the world.The approaching exam, they knew, would be a(n) _________task, because the professor had said they could bring _________右上图是绿色植物内细胞代谢的某一阶段的简图，判断下列说法错误的是（   ）        A、a过程是指CO2的固定                                  B、b过程是指三碳化合物的还原        C、c过程在线粒体内完成                                          D、a、b、c三过程都需要酶参与