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【单选题】
下列各种起重机中能负载行走的是( )。A.
桅杆式起重机
B.
汽车式起重机
C.
轮胎式起重机
D.
轨道式塔式起重机
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反馈参考答案：
举一反三
【简答题】在纱穗成形时，每一升降过程由两层纱组成，即（）卷绕层和束缚层。
【单选题】Now the world’s attention ______ the stocking markets, as they have great influence in the world’s economy.
A.
is fixing on
B.
has fixed on
C.
is being fixed on
D.
had been fixed on
【单选题】Now the world’s attention ________ the stock markets，as they have a great influence on the world’s economy.
A.
is fixing on
B.
has fixed on
C.
is being fixed on
D.
had been fixed on
【简答题】From the world’s heaviest apple, the oldest lady to the world’s smallest dog, these are all parts of a group of the world’s strangest people and things. And they are all in the Guinness Book of Record...
【简答题】卷绕层/束缚层
【单选题】EMI is ______.
A.
the world's first major music company
B.
the world's third largest record company
C.
the world's largest on -line music provider
D.
the world's largest software company
【单选题】Japanese Computer Is World's Fastest, as U.S. Falls Back The world's fastest computer A Japanese laboratory has built the world's fastest computer, a machine so powerful that it matches the raw proces...
A.
Y
B.
N
C.
NG
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