在进行性肌营养不良症患者发病中起主导作用的因素为_________即病理基因所引起的一系列酶及生化改变。
参考答案：遗传因素
I have advised him not to do like that, but he still insists on doing it that way. I think he has his own opinion _________.
A．above all
B．first of all
C．in all
D．after all
关于败血症的病原学检查正确的是（）
A.尽量在应用抗菌药物前及寒战高热时进行血培养
B.宜反复多次采血送检，采血量至少5～10ml
C.血培养阴性可排外败血症
D.已用抗菌药物的病例可加氨苯甲酸等破坏抗生素
E.有条件可做厌氧菌和真菌培养
