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网卡中的 MAC 地址是( )位的。
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【单选题】There have been many great【21】. The first great invention was one that is still very important to day--the wheel. This made it easier to carry【22】things and to travel long distances. In the early 1800...
A.
discoveries
B.
creations
C.
invention
D.
inventions
【单选题】创建一个名为 ‘Customers’ 的新表,同时要求新表中包含表 ‘clients’ 的所有记录, sql 语句是()。(选择一项)
A.
Select * into customers from clients
B.
Select into customers from clients
C.
Insert into customers select * from clients
D.
Insert customers select * from clients
【单选题】创建一个名为‘Customers’的新表,同时要求新表中包含表‘clients’的所有记录,sql语句是
A.
Select * into customers from clients
B.
Select into customers from clients
C.
Insert into customers select * from clients
D.
Insert customers select * from clients
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