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【判断题】
唯一标识实体的最小的属性或属性集，或简称为码（Key）、键 。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Charles did what he could _____ the servant, although he himself was in danger.
A.
rescue
B.
rescued
C.
to rescue
D.
rescuing
【单选题】What did Charles Dickens do when he began his literature career?
A.
A doctor.
B.
A lawyer.
C.
A journalist.
D.
A designer.
【单选题】What did King Charles want to do according to the story?
A.
Bring ice cream recipes from China.
B.
Make ice cream popular.
C.
Develop new kinds of ice cream.
D.
Keep the secret of ice cream for him.
【简答题】What question did Charles Rangel raise at the forum?
【简答题】在5･12汶川地震中英勇献身且被评为“100位新中国成立以来感动中国人物”之一的湘籍教师是谁？
【单选题】Charles did what he could _____ the drowning man, although he himself was in danger. [ ]
A.
rescue
B.
rescued
C.
to rescue
D.
rescuing
【单选题】Molly: Charles, would you like to go to a party this Saturday? Charles: ___________.What kind of party? Molly: It ’s a birthday party.
A.
Looks nice
B.
Feels excellent
C.
Seems all right
D.
Sounds good
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