A.32℃~33℃B.33.6℃~35.7℃C.38.5℃~39.5℃D.36.8℃~37.5℃
A.培育品種B.專門化品種C.過渡品種D.原始品種
A.真菌和纖毛蟲B.細菌和真菌C.放線菌和纖毛蟲D.細菌和纖毛蟲