题目内容

既能增强心肌兴奋性,又能降低神经肌肉兴奋性的离子是().

A. 钠离子
B. 钾离子
C. 钙离子
D. 镁离子
E. 氢氧根离子

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LKJ2000型监控装置可以记录前方信号机种类,但不能记录编号。

A. 正确
B. 错误

女性,30岁,面部刀刺伤12小时,目前最适当的处理措施是()

A. 清创缝合
B. 延期缝合
C. 换药
D. 红外线照射
E. 伤口留置引流后包扎

You are ready to implement RMAN in the backup and recover strategy for your company. Which system privilege must the RMAN user have to be able to connect and execute RMAN commands on a target database?()

A. SYSDBA
B. SYSOPER
C. No system privileges are required for the RMAN user.
D. Only SYS user can connect and execute RMAN commands on a target database.

给下列汉字注音并组词。旨

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