• 2022-06-06
    Chimpanzees are frequently used as stand-ins for human beings in experiment.()
    A: partners
    B: role-models
    C: stand-bys
    D: substitute
  • D

    内容

    • 0

      They _________ what they believe to be right. A: stand B: stand up C: stand up to D: stand up for

    • 1

      2. Why do human beings have a larger brain compared to chimpanzees? A: Human beings always had a big brain that helped us to survive. B: Human beings have a bigger brain by cooking food over the fire. C: Human being have a bigger brain through the evolutionary process. D: Human beings have a bigger brain through eating fruits and berries. E: Human beings have a bigger brain through migration.

    • 2

      Don’t be afraid to _______ your rights. A: stand up B: stand for C: stand up for D: stand by

    • 3

      The red flags ______ against the blue sky. A: stand up B: stand for C: stand out D: stand by

    • 4

      The two tall buildings used to stand right _______ each other.