问题
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Languages and dialects are valued differently and used differently for ()reasons.A.
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_____ are used for cargo handling.A.CranesB.Mooring winchesC.WindlassesD.Foreman
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()are used for backing up large amount of data. A. KeyboardB. Hard disksC. CPUD. Displ
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根据材料,完成题。Air Transportation1. Airplanes are used to carry passengers, cargo and mai
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The competition vehicles______.A.all look the sameB.are used for plowing fieldsC.are trans
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All of the following are some measures for environment protection EXCEPTA.using public tra