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项目2、快速生成树协议.doc
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【单选题】_____ sci-fi movies ____, Avatar can be called a classic.
A.
As ... talk
B.
As ... like
C.
As ... go
D.
As ... set
【单选题】Nothing else_______more important than water in the place like a desert.
A.
we can’t find
B.
can’t we find
C.
can we find
D.
we can find
【简答题】As we all know, the environment around us is getting worse and worse. In some places we can’t see fish 1 in the river or trees on the hills. Some people even have no clean water to drink. Recently, a ...
【单选题】We can learn from the fourth paragraph that
A.
a substantial cut in annual revenue is called for.
B.
defense and social welfare programs should undergo cuts.
C.
we should leave intact programs for bettering people's living.
D.
we should exercise less control over monetary policy.
【单选题】The sounds we call words can be called a language only if ______.
A.
each sound has a different meaning
B.
each sound is different from the other
C.
there is a system of writing
D.
they have a structure or grammar
【单选题】The type of assimilation of the word “ this year ∕'Tis ' jiə∕-----∕TiF Fiə∕can be called _____ .
A.
Progressive Assimilation
B.
Regressive Assimilation
C.
Reciprocal Assimilation
【简答题】试用4选1数据选择器74HC153产生逻辑函数L( A,B,C )= ∑ m ( 1,2,6,7 )。
【简答题】在实际的数据库设计中,通常要用范式对关系进行规范化,其中,第一范式:( )、第二范式: ( ) ;第三范式:( )。一般达到 ( ) 即可。
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