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旅鼠啃食植物,其数量增长。植物遭破坏后,会引起旅鼠外迁或因饥

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  • 【名词&注释】

    季节性(seasonal)、渗透性(permeability)、真菌性败血症(fungal septicemia)、博士学位(doctoral degree)、巴斯德(louis pasteur)

  • [单选题]旅鼠啃食植物,其数量增长。植物遭破坏后,会引起旅鼠外迁或因饥饿而死亡及遭到捕食。旅鼠的减少,使植物量增多,这为存活的旅鼠提供了充足的食物,旅鼠的数量又逐渐增长。旅鼠的这种增长现象是( )

  • A. 指数增长
    B. 季节性增长
    C. 周期增长
    D. 逻辑斯谛增长

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [单选题]肠道炎症时腹泻属于 ( )
  • A. 渗出性腹泻
    B. 渗透性腹泻
    C. 分泌性腹泻
    D. 动力性腹泻
    E. 吸收不良性腹泻

  • [多选题]临床上对疑有真菌性败血症应做哪些检查( )
  • A. 抽髓培养
    B. 尿培养
    C. 血培养
    D. 眼底镜检查
    E. 血涂片检查

  • [单选题]认为教育起源于人与人之间的模仿这一本能的观点是()
  • A. 神话起源说
    B. 生物起源说
    C. 心理起源说
    D. 交往起源说

  • [单选题]Which of the following statements is NOT TRUE?
  • A. Louis was famous for his discovery.
    B. Though his left arm and leg were disabled(残疾的), he worked even harder than before.
    C. In his childhood he made up his mind to become a doctor.
    D. His disabled left arm and leg had nothing to do with the mad dogs.

  • [单选题]After careful investigation we find that one of the statement has ____ to be untrue.
  • A. turned out
    B. turned off
    C. turned up
    D. turned down

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