题目

第二节：完形填空(共20小题；每小题1．5分，满分30分)     阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 The passengers on the bus watched with sympathy as Susan made her way carefully up the steps. She paid the driver and then, using her hands to   31    the seats, settled in one of them.      It had been a year since Susan became blind. As the result of an accident she was suddenly thrown into a world of   32  . Susan’s husband Mark watched he下图表示某植物体细胞发生的一系列变化示意图，①②③表示细胞不同的生理活动，下列叙述错误的是（　　）A. ①②过程分别表示细胞的生长和分裂B. 经过③过程，细胞的形态、结构和功能出现差异C. 细胞分裂时，细胞质先分成两份，然后细胞核由一个分成两个，每份细胞质各含有一个细胞核D. ②过程产生的新细胞遗传物质与亲代细胞一致