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【单选题】
增值税的三种类型中,( )最符合按增值额征税的原理。A.
生产型增值税
B.
收入型增值税
C.
消费型增值税
D.
积累型增值税
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举一反三
【单选题】关于抗结核分枝杆菌药叙述错误的是（）
A.
合成抗结核药物的代表是异烟肼及其腙的衍生物
B.
异烟肼与食物和各种耐酸药物，特别是含有铝的耐酸药物等同时服用时，可以干扰或延误吸收
C.
异烟肼在包括病灶在内的各种组织中均能很好吸收，大部分代谢产物为失活物质
D.
吡嗪酰胺能使药物在感染部位被释放，能穿透结核菌的细胞，在作用部位易水解，而在其他部位不易水解
E.
乙胺丁醇含两个构型相同的手性碳，分子呈对称性仅有三个旋光异构体，药用为左旋体
【单选题】Passage 1Traffic jam and cities, it seems, go hand in hand. Everyone complains about being stuck in traffic; but, like the weather, no one seems to do anything about it. In particular, traffic enginee...
A.
traffic jam and weather are the two factors preventing the development of the big city
B.
traffic jam seems to be very difficult to deal with
C.
if traffic engineers try their best, traffic jam can be solved
D.
public officials are always criticized for misusing their power
【简答题】测量表面粗糙度时,规定取样长度的目的是为了限制和减弱 对测量结果的影响。
【单选题】Passage 1Traffic jam and cities, it seems, go hand in hand. Everyone complains about being stuck in traffic; but, like the weather, no one seems to do anything about it. In particular, traffic enginee...
A.
In cities, traffic jam is unavoidable.
B.
Traffic jam is both a sign of failure and a sign of success.
C.
Traffic jam is the consequence of successful cities.
D.
For a successful city, traffic jam is not unpreventable.
【简答题】Traffic jam and cities, it seems, go hand in hand. Everyone complains about being stuck in traffic; but, like the weather, no one seems to do anything about it. In particular, traffic engineers, trans...
【单选题】21岁女性,右拇指外伤3天,查体末节皮肤缺损,指骨外露,治疗方法是
A.
清创后作游离植皮
B.
缩短指骨，缝合皮肤
C.
三角皮瓣缝合
D.
清除坏死组织，伤口敞开，保持湿润，延期作植皮术
E.
吻合血管的游离皮瓣
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