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【单选题】
柏油样便不是由下列何种原因引起?A.
上消化道出血
B.
钡剂
C.
吃草莓或动物血
D.
铁剂
E.
胃癌
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反馈参考答案：
举一反三
【单选题】关于地西泮，以下说法错误的是
A.
有抗焦虑作用
B.
毒性较巴比妥类小，不良反应少
C.
癫痫持续状态治疗首选静脉注射地西泮
D.
此药不易通过胎盘屏障，不会在胎儿体内蓄积
【单选题】Yesterday, the couple went downtown and bought ______ .
A.
two furnitures
B.
two pieces of furnitures
C.
the furnitres
D.
two pieces of furniture
【单选题】She went to American two years ago .She ____there for half a year and then went to Japan.
A.
would work
B.
worked
C.
would be working
D.
has been working
【单选题】My cousin went to Canada two yours ago. He _____ there for a few months and then went to America. [ ]
A.
worked
B.
would work
C.
would be working
D.
has been working
【单选题】About ______ students went to the show yesterday.
A.
hundreds of
B.
two hundreds
C.
two hundred of
D.
two hundred
【单选题】关于地西泮,以下说法错误的是
A.
有抗焦虑作用
B.
毒性较巴比妥类小，不良反应少
C.
癫痫持续状态治疗首选静脉注射地西泮
D.
长期口服有依赖性，突然停药可出现戒断症状
E.
此药不易通过胎盘屏障，不会在胎儿体内蓄积
【单选题】He went there as a volunteer on a ________ program.
A.
two-year
B.
two-years
C.
two-year’s
D.
two years
【单选题】吸收过程能够进行的条件是( )。
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