You can enlarge your vocabulary by ______.
A.reading more books
B.finding new words in dictionaries
C.writing more
D.using the words in everyday life
You can enlarge your vocabulary by ______.
A.reading more books
B.finding new words in dictionaries
C.writing more
D.using the words in everyday life
A.Primary Key NOTNULL
B.Primary Key
C.Foreign Key
D.Candidate Key
PKI的全称是()。
A.Private Key Intrusion
B.Public Key Intrusion
C.Private Key Infrastructure
D.Public Key Infrastructure
A.PRIMARY KEY
B.FOREIGN KEY
C.FOREIGN KEY (ORDERID) REFERENCES ORDERS
D.FOREIGN KEY (BID) REFERENCES BOOKS
A.Private Key Infrastructure
B.Public Key Infrastructure
C.Public Key Institute
D.Private Key Institute
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