中和胃酸而降低胃内酸度()
A.奥美拉唑
B.西米替丁
C.硫糖铝
D.哌仑西平
E.氢氧化铝
参考答案:E
-You’re dropped __________ “s” in the word “across”.
-Oh, you are right, __________ letter “s” should be doubled like this “cross”.
A.a, a
B.an, a
C.an, the
D.the, a
内因子与哪种维生素的吸收有关()
A.维生素A
B.维生素C
C.维生素D
D.维生素E
E.维生素B12