下列药物中不属于抑酸药的是（）.
A.雷尼替丁
B.阿托品
C.丙谷胺
D.奥美拉唑
E.碳酸氢钠
参考答案：E
—The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job
— （） my students have a try
A. Shall
B. Must
C. Will
D. May
挂车轮胎胎冠上花纹的深度应不小于（）
A.1.2mm
B.1.4mm
C.1.6mm
