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【多选题】
下列属于立体仓库中运用的主要作业设备的有（）A.
有轨巷道堆垛起重机
B.
无轨巷道堆垛起重机
C.
普通叉车
D.
牵引车
E.
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举一反三
【单选题】Do you know many man-made satellites _____ space by our scientists since the middle of the twentieth century? [ ]
A.
have sent into
B.
were carried into
C.
have been sent into
D.
have been brought into
【简答题】A. 下列选项中,正确的IP地址格式是( )。 B. 202.202.1 C. 202.2.2.2.2 D. 202.118.118.1 E. 202.258.14.13
【简答题】Man-made beauty is a new word in recent years. Many people, mostly young girls, beautify themselves by various operations. How do you comment on this phenomenon? Write a composition of about 200 words...
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