• 2022-05-31
    23. To work __________with the machine,you must read theinstructions carefully.A) firstlyB) naturallyC) efficientlyD) generally
    A: firstly
    B: naturally
    C: efficiently
    D: generally
  • C

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    • 0

      Generally, when you use the phrase “work out”, you mean that you follow a routine of different exercises( )

    • 1

      _____are generally considered to be the oldest machine tools and were developed in the 1750s.

    • 2

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    • 3

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    • 4

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