【多选题】食品毒理学之所以是食品安全评价的基础是因为( )。
A.
从毒理学的角度,研究食品中可能含有的外源化学物质对食用者的毒作用机理
B.
检验和评价食品(包括食品添加剂)的安全性或安全范围,从而确保人类的健康
C.
现代食品毒理学着重于通过化学和生物学领域的知识找寻毒性反应的详细机理
D.
研究特定物质产生的特定的化学或生物学反应机制,为食品安全性评估和监控提供详细和确凿的理论依据
【单选题】华为中兴EPON系统中ONU的PON口尾纤类型是()
【判断题】食品安全性科学评价方法的建立是保障食品安全的基础。()
【单选题】It is clearly stated on the bulletin that ______ throws the rubbish away at will will be punished.
【单选题】Which of the following was not clearly stated?
A.
Photographs of the faces to be recognized were given to the subjects.
B.
Remembering can be tested in different ways.
C.
Faces were easier to remember than names.
D.
Faces were more difficult to remember than names.
【判断题】安全毒理学评价是功能性食品功能评价的基础,功能性食品或功能因子首先必须保证其食用安全性。
【单选题】The first essential step in writing a successful essay is to formualte a clearly stated thesis.