毒物的联合作用
参考答案:
两种或两种以上的化学物同时或先后相继进入机体所产生的生物学作用称为联合作用。
If he shouldn’t have been so ________ about his food, he would be healthier now. [ ]
A. special
B. curious
C. particular
D. anxious
发酵工业生产流程: