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【判断题】
在用餐时，餐巾应该挂在胸前，可以用来擦嘴，但不可以用来擦鼻子。 （ ）A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
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A.
SQL 语言是关系数据库的国际标准语言
B.
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C.
SQL语言可以自动实现关系数据库的规范化
D.
SQL语言称为结构化查询语言
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A.
registration
B.
workplace clothing
C.
schedule
D.
application
【简答题】下列四项中,不正确的提法是()
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【简答题】因为高频保护不反应被保护线路以外的故障，所以不能作为（）的后备保护。
【单选题】Ann: Hello! Joe: Hi, Ann. It's Joe. I'm calling to make an appointment for Cindy. She wants to meet with Miles next week sometime. Ann: Let me take a look at his appointment schedule. Let's see, can C...
A.
A boss and his secretary.
B.
Two secretaries.
C.
A doctor and his patient.
D.
A boss and his customer.
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