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. Nonhemolytic streptococcus is less virulent.
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【判断题】The land of Goshen is a land flowing with milk and honey.