可用于伤寒、副伤寒的药物有 A: SMZ+TMP B: Ampicillin C: Chloramphenicol(Chloromycetin) D: Penicillin E: Erythromycin

草绿色链球菌引起心内膜炎首选： A: Penicillin G B: Penicillin G + Streptomycin C: 青霉素 G(penicillin G) + 庆 大霉 (gentamicin) D: 青霉素(penicillin) +氯霉素 (chloramphenicol) E: 青霉素(penicillin) + 氨苄西林(ampicillin)

下列哪些药属于[tex=0.571x1.214]DXE2qJe9QayJDT2HOCKrUg==[/tex]-内酰胺类抗生素： A: Ampicillin B: 棒酸(clavulanic acid) C: 硫霉素(thienamycin) D: 萘啶酸(nalidisic acid) E: 头孢唑啉(cephazolin)

Bacteria that contain ”empty” plasmid, (plasmid without the eukaryotic gene) would grow? in all four types of broth.|only in the broth containing both antibiotics.|in the broth containing tetracycline, but not in the broth containing ampicillin.|in the nutrient broth plus ampicillin, but not in the broth containing tetracycline.

梭状芽孢杆菌感染的首选药 A: 青霉素(penicillin) B: 青霉素 (penicillin) + 抗毒血清 C: 青霉素(penicillin) + 庆大霉素(gentamicin) D: 青霉素(penicillin) +妥布霉 素(tobramycin) E: 氨苄西林(ampicillin) +氯霉 素(chloramphenicol)