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【单选题】
( )是关系数据库中的最基本结构?A.
记录
B.
字段
C.
表
D.
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举一反三
【简答题】Which of the following is the purpose of the first paragraph?
【单选题】The purpose of the economists research at the University of Iowa is to
A.
predict the outcome of American presidential election.
B.
predict the sales result of best-sellers.
C.
predict future s.
D.
predict diseases like influenza.
【单选题】下列关于硝普钠药理作用的叙述中哪一项是错误的
A.
降压作用快、强、短
B.
降低冠脉血流、肾血流及肾小球率过滤
C.
在血管平滑肌内代谢产生NO
D.
用于高血压急症的治疗和手术麻醉时的控制性低血压
E.
使用前需新鲜配制并避光
【单选题】下列关于硝普钠药理作用的叙述中哪一项是错误的?
A.
降压作用快、强、短
B.
降压作用缓慢、温和
C.
降低收缩压和舒张压
D.
用于高血压危象和急慢性心功能不全
E.
使用前需新鲜配制并避光
【单选题】The purpose of the American court system is to protect the rights of the people. According to American law, if someone is accused of a crime, he or she is considered innocent until the court proves th...
A.
The American court system requires that a suspect prove that he or she is innocent.
B.
The US court system is designed to protect the rights of the people.
C.
Under the American court system, judge decides if a suspect is innocent or guilty.
D.
The US court system is designed to help the police present a case against the suspect.
【单选题】下列关于硝普钠药理作用的叙述中哪一项是错误的:
A.
降压作用快、强、短
B.
降压作用缓慢温和
C.
降低收缩压和舒张压
D.
用于高血压危象和急慢性心功能不全
E.
使用前需新鲜配制及避光
【单选题】According to the woman, the purpose of The Times campaign of saving the childrens hospital is to
A.
do something worthwhile and rewarding.
B.
scare the people walking in the street.
C.
attract people's attention.
D.
criticize the authorities.
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