题目

 Although her grandma had been ill for a long time, it still came as a shock when shedied.  A. slightly           B. approximately         C. eventually                D. directly 答案：C依曲替酯是一种皮肤病用药，它可以由原料X经过多步反应合成。下列说法正确的是                     (　　)。A．原料X与中间体Y互为同分异构体B．原料X可以使酸性KMnO4溶液褪色C．中间体Y能发生加成、取代、消去反应D．1 mol依曲替酯只能与1 mol NaOH发生反应