• 2022-06-08
    The stone chip is thought to be the most important tool because it ______.
    A: was one of the first tools
    B: developed human capabilities
    C: led to the invention of machines
    D: was crucial to the development of mankind
  • D

    内容

    • 0

      Compared to earlier stone tool industries, what kind of tool begins to become much more frequent in the Middle Paleolithic/Middle Stone Age? A: Bone points B: Bifacially-flaked tools C: Hand axes D: Prepared core tools

    • 1

      The "New Stone Age" around 10,000 years ago saw the invention of metal tools and the wheel.

    • 2

      This chip (芯片) is the most important for a computer.

    • 3

      According to Harari, the three crucial development in human history are _________ Revolution, _________ Revolution, and ________ Revolution.

    • 4

      The "New Stone Age" around 10,000 years ago saw the invention of metal tools and the wheel. A: 正确 B: 错误