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单项选择题

W: This machine has so many buttons.I can’t figure out which one makes it run.
M: You’d better read the instructions first Pressing the buttons at random may cause the machine to break down.
Q: What would the woman most probably do first?()

    A.Read the operational manual.
    B.Try the buttons one by one.
    C.Make the machine run slowly.
    D.Ask her instructor for advice.

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