This is the first timehe has been here.
A. that
B. when
C. at which
D. which
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The man showed us so heavy a stoneno man can lift.
A. that
B. as
C. which
D. and
H2受体阻断药对下列何种病疗效最好?
A. 结肠溃疡
B. 十二指肠溃疡
C. 卓-艾综合征
D. 口腔溃疡
E. 胃溃疡
对幽门螺旋杆菌有杀灭作用的抗溃疡药为
A. 哌仑西平
B. 甲氧氯普胺
C. 枸橼酸铋钾
D. 硫糖铝
E. 法莫替丁
伴有便秘的溃疡病患者不宜应用
A. 碳酸氢钠
B. 三硅酸镁
C. 果导
D. 氢氧化镁
E. 氢氧化铝
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