下列句子的句式不同于其他三项的一项是 [ ]
A．影布石上
B．以其境过清
C．全石以为底
D．坐潭上
答案：C
My mother ________ as an architect since she graduated from Tongji University.
A．worked
B．has worked
C．had worked
D．is working
下列治疗消化性溃疡的药物中，能够增强粘膜防御能力的是
A．硫糖铝
B．雷尼替丁
C．奥美拉唑
D．氢氧化铝
E．吗丁啉
