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【判断题】
临床医学是研究疾病的病因、诊断、治疗和预后,提高临床治疗水平,促进人体健康的科学;是直接面对疾病、病人,对病人直接实施治疗的科学。____
A.
正确
B.
错误
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举一反三
【简答题】Jane Austen, a famous English writer, was born in Ston, Hampshire, on December 16, 1775, and died on July 18,1817. She began writing early in life, although the prejudices(偏见)of her times forced ...
【判断题】实际中,只有轴向柱塞泵和轴向柱塞马达可以互换使用
A.
正确
B.
错误
【单选题】关系中任何一个候选关键字的属性称为( )。
A.
非主属性
B.
主属性
C.
关键属性
D.
候选属性
【单选题】组成候选关键字的属性称为
A.
非主属性
B.
主属性
C.
组合属性
D.
关键属性
【简答题】()又称自动空气开关,是一种可以自动切断故障线路的保护开关。
【简答题】Tim Longman wants to have a general knowledge of the development of Ireland.
【单选题】—Is here? —No , Boband Tim have asked for leave .
A.
. anybody      
B.
. somebody        
C.
. everybody              
D.
. nobody
【简答题】Jane Austen, a famous English writer, was born at Ston, Hampshire, on December 16, 1775, and died on July 18, 1817. She began writing early in life, although the prejudices(偏见) of her times force...
【单选题】候选关键字的属性称为()
A.
非主属性
B.
主属性
C.
复合属性
D.
关键属性
【单选题】David:Hi,Jane,do you have some change with you?I have to make a call on thepay phone. Jane:Pay phone?Why not use my mobile phone?__________.
A.
Here you are
B.
You are welcome
C.
It is OK
D.
Don’t worry
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