皮皮学，免费搜题
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【单选题】
数据库系统的核心是A.
数据模型
B.
数据库管理系统
C.
软件工具
D.
数据库
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】全面论述了“贵粟”的重要性,阐明了使民务农,入粟于边,以解决民商贫富悬殊,守边士卒无粮供给的矛盾。
【简答题】王女士,50岁,诊断为 肝炎后肝硬化,腹水,实验室检查已肝表面抗原阳性,作为她的责任护士,请制定出主要的隔离措施。
【简答题】阅读理解。 David and his brother Grey don't go to school in the morning. They go to school after lunch, at one o'clock. They have math at one-fif, David likes math because it's interesting. Gre g doesn...
【单选题】王女士,50岁,诊断为 肝炎后肝硬化,腹水,实验室检查已肝表面抗原阳性,需要做出主要的隔离是
A.
血液传播隔离
B.
空气传播隔离
C.
飞沫传播隔离
D.
接触性隔离
【简答题】王女士，50岁，诊断为肝炎后肝硬化，腹水，实验室检查已肝表面抗原阳性，作为她的责任护士，请制定出主要的隔离措施。
【单选题】阅读理解 : 根据短文内容,判断下列句子正误,正确为 A , 错误为 B 。 I am a girl. My English name is Linda .I am eleven years old. I have eight subjects at school. They are Chinese, math, English, P.E, music, art, science and his...
A.
A
B.
B
【简答题】阅读理解。 David and his brother Greg don't go to school in the morning. They go to school after lunch, at one o'clock. They have math at one-fif. David likes math because it's interesting. Greg doesn'...
【简答题】After his e______( 解释 ),I came to know why he was late for class.
【单选题】王女士,50岁,诊断为 肝炎后肝硬化,腹水,实验室检查已肝表面抗原阳性,下列哪项护理操作正确
A.
同种病原体感染者可同室隔离必要时单人隔离
B.
护理病人时不需穿隔离衣和带手套
C.
不必要时不需要洗手
D.
被血液或体液污染的物品,丢入医疗垃圾
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