题目内容

请将下表规范化为第二、第三范式。（7分）关系R1

查看答案

搜索结果不匹配？点我反馈

更多问题

Jane was scolded by the director because he left the office with the door ________.

A. unlocking
B. not being locked
C. unlocked
D. not locking

__________ in ancient times, the book still appeals to readers now.

A. Though it written
B. Though written
C. It was written
D. Written it was

I saw a lot of children playing in the garden, most of them ________ girls.

A. are
B. were
C. being
D. been

Television has become a major instrument of communication, _________ us to see as well as to hear all kinds of programmes.

A. to permit
B. permitted
C. being permitted
D. permitting