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【判断题】
即文档类型声明,它的作用就是告诉浏览器的解析器应该以什么样的文档类型定义(DTD)来解析文档。A.
正确
B.
错误
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举一反三
【单选题】Shadowy phantom figures in both Union and Confederate uniforms still pace the battlefield and cemetery.
A.
fearsome
B.
ghostly
C.
horrible
D.
ghastful
【单选题】Understanding________cultural habits of another nation is_______ difficult thing.
A.
a; the
B.
the ; the
C.
the; a
D.
/; a
【单选题】Mike spent time with ____native people to gain ____ better understanding of the country.
A.
the; a
B.
the; /
C.
a; the
D.
/; a
【简答题】在关系模式分解中,若要保证不丢失信息,则分解应具有____。
【单选题】下列表示式中称为偏摩尔体积的是 :
A.
( ∂ V / ∂ n B ) T,P, n C
B.
( ∂ V / ∂ n B ) T,P, n B
C.
( ∂ V / ∂ n C ) T,P, n C
D.
( ∂ V / ∂ n 1 ) T,P, n 1
【单选题】Through a series of experiments, an American scientist has obtained an understanding of the social structure of the most complex of ant societies. The ants examined are the only creatures other than m...
A.
They do not need to search for food.
B.
They do not need to look for shelter.
C.
Individuals vary in social status.
D.
Individuals perform. different functions.
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