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【单选题】
选择 4-4 、 最先发现病毒的是A.
巴斯德
B.
C.
伊万诺夫斯基
D.
列文虎克
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举一反三
【简答题】Streptococcus pneumoniae (斜体)
【单选题】Hemolytic streptococcus, which causes human diseases, is 90%
A.
Group A hemolytic streptococcus
B.
Group B hemolytic streptococcus
C.
Group C hemolytic streptococcus
D.
Group D hemolytic streptococcus
【简答题】Streptococcus pneumoniae
【简答题】Which statement is not right about streptococcus?A. It is arranged in chain, B. β-Hemolytic streptococcus is more virulent than α-hemolytic one. C. 90% pathogenic streptococcus is in Group B. D. Nonh...
【单选题】Each statement is right about group A streptococcus EXCEPT___?
A.
Most streptococcus in Group A cause α- hemolysis .
B.
Group A Streptococcus, which is synonymously known as S.pyogenes
C.
90% pathogenic streptococcus is in Group
D.
Most streptococci containing the group A antigen are S pyogenes .
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