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【简答题】
数据0.003080有效数字的位数为 位。
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举一反三
【单选题】In 1878 Frederick W. Taylor invented a concept called scientific management,___of obtaining as much efficiency from workers and machines as possible.
A.
it is a method
B.
a method which
C.
called a method
D.
a method
【单选题】In 1878 Frederick W. Taylor invited a concept called scientific management, ____ of obtaining as much efficiency from workers and machines as possible.
A.
it is a method
B.
a method which
C.
called a method
D.
a method
【单选题】String、StingBuffer都是（ ）类，都不能被继承。A.staticB.abstractC.final###SX
A.
String、StingBuffer都是（ ）类，都不能被继承。 A.static
B.
abstract
C.
final
D.
private
【简答题】A literary device called _____________ is employed in the following part of the poem. “The fair breeze blew, the white foam flew, The furrow followed free; We were the first that ever burst Into that ...
【简答题】The number called_________ Caller's name: Lucy Taylor Message: Mr. Brown's mother had a(n) _________and she is in hospital now.
【单选题】（ 29 ） String 、 StingBuffer 都是 ______ 类，都不能被继承。
A.
） static
B.
） abstract
C.
） final
D.
） private
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