题目

阅读短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。 The Intelligent Transport team at NewcastleUniversity have turned an electric car into a mobile laboratory named DriveLABin order to understand the challenges faced by older drivers and to discoverwhere the key stress points are. Research shows that giving up driving isone of the key reasons for a fall in health and well-being among older people, leadingto them becoming more isolated (隔绝) and inactive. Led by Professor Phil Blythe, the Newcastleteam are developing in-vehicle technologies for older drivers实验室中，要使AlCl3溶液中的Al3+离子全部沉淀出来，适宜用的试剂是 A、NaOH溶液        B、Ba(OH)2溶液    C、盐酸             D、氨水