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【单选题】
男性患者,56岁,有急性心肌梗死病史,经治疗好转后,停药月余,昨夜突发剧咳 而憋醒,不能平卧,咳粉红色泡沫样痰,烦躁不安,心率 130 次分,血压 21.3/12.6kPa 两肺有小水泡音。诊断为急性衰竭,心源性哮喘,问用哪组药物治疗适宜A.
氢氯噻嗪+地高辛
B.
吗啡+毒毛花苷 K
C.
氢氯噻嗪+硝普钠
D.
氢氯噻嗪+卡托普利
E.
氢氯噻嗪+氨茶碱
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举一反三
【单选题】一个操纵子通常含有
A.
一个启动序列和一个编码序列
B.
一个启动序列和数个编码序列
C.
数个启动序列和一个编码序列
D.
数个启动序列和数个编码序列
E.
两个启动序列和数个编码序列
【单选题】启动序列是指
A.
DNA聚合酶结合并启动转录的特异性DNA序列
B.
RNA聚合酶结合并启动转录的特异性DNA序列
C.
在-10区和-35区存在的共有序列
D.
可结合激活蛋白的特异性DNA序列
【简答题】Americans are not strangers to war. The United States was bom of the Revolutionary War (1775-1783), which freed us from British rule. We fought the British again during the War of 1812 (1812-1815). Th...
【简答题】In 1783, the British and the American made a formal peace and they signed the treaty of _____. The U.S. won its independence.
【判断题】In 1783, the British army was defeated and the British government recognized the independence of the United States.
A.
正确
B.
错误
【简答题】Americans are not strangers to war. The United States was born of the Revolutionary War (1775–1783), which freed us from British rule. We fought the British again during the War of 1812 (1812–1815). T...
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