Which one of the following statements about diphtheria bacilli is not correct:
All corynebacteria diphtheria can cause disease
B. It has granules on its terminals;
C. It can form black colony in tellurites blood agar plate;
D. Administration of toxoid of diphtheria toxin can prevent disease.
查看答案
Which statement is right about entry route of diphtheria bacilli ?
A. fecal - oral route;
B. respiratory route;
C. sexual contact
D. blood transfusion
Which is right about gene location of diphtheria toxin ?
A. It is in a virulent plasmid;
B. It is in the transposon;
C. It is in a R plasmid
D. It is in the prophage;
Which systemic infection of diphtheria bacilli may cause heart failure?
A. toxemia
B. septicemia
C. endotoxemia
D. bacteriemia
若已知BCWS=220元，BCWP=200元，ACWP=250元，则此项目的CPI和项目的成本绩效是（）
A. 0.2，实际成本与计划一致
B. 0.8，实际成本比计划成本低
C. 0.8，实际成本超过计划成本
D. 1.2，实际成本比计划成本低
微信支付 
支付宝支付