标准桥枕在铺轨范围内的得有()个以上的直径大于3mm的虫眼。
A.3
B.5
C.8
D.12
参考答案:B
作用于壁细胞胃酸分泌终末步骤中的H-K-ATP酶的药物是()促进胃肠动力的药物是()保护胃黏膜的药物是()可破坏胃黏膜屏障的药物是()
A.硫糖铝
B.西沙必利
C.雷尼替丁
D.非甾体抗炎药
E.雷贝拉唑
If you let challenges and difficulties benefit depress you, much more can be accomplished than you thought possible.
A.more than
B.rather than
C.less than
D.other than