• 2022-06-06
    For years, biologists have known that chimpanzees and even some monkeys produce apantingsound akin to human laughter.
    A: rocking
    B: gasping
    C: vibrating
    D: resonating
  • B

    内容

    • 0

      Even saints have been known to resort to violence. A: resource B: use C: resist

    • 1

      Under what circumstance would chimpanzees collapse the table of other chimpanzees? A: Other chimpanzees happened to have more food. B: Other chimpanzees wanted to have a. fight. C: Other chimpanzees took or stole food from them. D: Other chimpanzees entered their terrority.

    • 2

      News OneUnder what circumstance would chimpanzees collapse the table of other chimpanzees? A: Other chimpanzees happened to have more food. B: Other chimpanzees wanted to have a fight. C: Other chimpanzees took or stole food from them. D: Other chimpanzees entered their territory.

    • 3

      Some simple human actions, such as the handshake, have countless variations.

    • 4

      In recent years viruses have been shown to cause cancer in chickens. Viruses have also been shown to cause cancer in mice, cats, and even in some primates. Viruses might cause cancer in humans.This is a reasonable hypothesis.