题目

阅读下面短文，掌握其大意，然后从各题所给的A、B、C、D四个选项中选出最佳选项。 If life were a book and you were the author, how would you like the story to go? That is the question that 1 my life forever. One day I went home from the training of snowboarding with what I thought was the flu, and less than 24 hours later, I was in a 2 on life support with less than two percent 3 of living. It wasn't until days later that the doctors diagnosed me with a 4 blood infection. Over the 5 of 2.5 months, I lost the hearing in my left ear and both my legs below the knee.下图为某动物细胞的亚显微结构示意图。请据图分析回答：（1）该细胞中，由结构⑧参与构成的结构有_____（填写图中序号），它们共同构成该细胞的_____系统。（2）结构①中发生的碱基互补配对方式与结构②中不同的是_____。（3）将该细胞置于较高浓度的KNO3溶液中，细胞先会出现皱缩后逐渐恢复并出现膨胀的现象，该过程与细胞膜的结构具有_____和功能上具有_____性密切相关。（4）若该细胞为胰岛B细胞，则其分泌的激素为_____，与该激素的合成和分泌过程有关的细胞器有_____（填写图中序号）。（5）若将该细胞改画为洋葱根尖成熟区细胞，则需作增减的结构是_____。