I’ll buy the same coatyou wear.
A. that
B. which
C. as
D. like
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This is the first timehe has been here.
A. that
B. when
C. at which
D. which
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