• 2021-04-14
    ________ engineer Richard Trevithick invented the first steam locomotive.
  • English

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      James Watt ()the steam engine in 1796. A: discovered B: had discovered C: invented D: had invented

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      Who was renowned as “The Father of Railways” ? A: George Stephenson B: Richard Trevithick C: President Lincoln D: James Harvey Strowbridge

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      Choose the correct word for the definition:a person who operates a train A: locomotive engineer B: conductor C: track laborer

    • 3

      The first integrated circuit was invented by ( )

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      The scientist and engineer ____ (have) invented a new machine. A: are B: was C: has D: were