根据以上信息，解答下列问题：
100ml 1mol/L的AlCl3溶液与100ml3.5mol/L的NaOH溶液混合，得到沉淀为（ ）
—That's great. We can sing along with the music．
—I think you are right. We should talk with our parents or they may feel sad.
， ， 
， 