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【单选题】
关于安全性评价的说法错误的是( )。A.
食品毒理学安全性评价的第一急性毒性试验。
B.
慢性毒性（包括致癌）试验中，若NOEL≤人的可能摄入量的50倍，表示毒性较强，应放弃将该受试物应用于食品。
C.
急性毒性试验中，当LD50剂量小于人的可能摄入量的10倍时，应放弃将该受试物用于食品，不再继续其他的毒理学试验。
D.
外来化合物的毒理学安全性也是绝对的。
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举一反三
【单选题】Which of the following statements is NOT mentioned in this passage?
A.
Both journal articles and conference papers are reported in a brief and informative way.
B.
All the theses or dissertations and conference papers are reported in spoken languages.
C.
Both the journal articles and conference papers are influenced greatly by the intended receivers.
D.
The various formats of research reports may be presented in different ways.
【单选题】Flying bridge means a good communication style. that made the scientific articles easy to be read.
A.
Y
B.
N
C.
NG
【单选题】The articles made of leather cost much more than ______ made of plastic.
A.
that
B.
those
C.
ones
D.
it
【单选题】Which of the following statements is not mentioned in this passage?
A.
Both journal articles and conference papers are written in a brief and informative way.
B.
All the theses or dissertations and conference papers are reported in spoken languages.
C.
Both the journal articles and conference papers are influenced greatly by the intended receivers.
D.
The various formats of research reports may be presented in different ways
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