• 2022-05-30
    The germs of influenza can only exist in an acid condition.
    A: bacterium.
    B: mold
    C: bacteria
    D: medium
  • C

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    • 0

      Which of the following material can be synthesized at liver only? () A: fat B: cholesterol C: protein D: fatty acid E: urea

    • 1

      If the pH value of foods is in the range of 3.7 to 4.5, we can call this kind of foods as food. A: medium acidity B: low-acid foods C: high- acid foods D: None of the above

    • 2

      What's wrong about influenza prevention A: Good personal hygiene can also prevent influenza B: Drug prevention cannot replace vaccination C: Taking antibiotics as soon as possible can effectively prevent influenza D: Influenza vaccination is the most effective way to prevent influenza

    • 3

      The commonest bacterium for community-acquired pneumonia is () A: alpha hemolytic streptococcus B: staphylococcus aureus C: streptococcus pneumoniae D: klebsiella pneumoniae E: hemophilus influenza

    • 4

      A differential medium is one in which A: Fungi and viruses grow differently. B: Two different bacteria can be distinguished. C: A particular nutrient is used differently by two different bacteria. D: Two different temperatures are utilized in the incubation period.