logo - 刷刷题
下载APP
【判断题】

防治病虫害的化学药剂有杀虫剂、杀菌剂、防腐剂、杀螨剂四种。

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】以下哪种药物属于静止期杀菌剂

A.
链霉素
B.
青霉素
C.
头孢菌素
D.
四环素
E.
林可霉素

【多选题】常用 的土壤消毒 的杀菌剂有哪些?

A.
噁霉灵
B.
敌克松
C.
敌磺.福美霜
D.
阿维菌素

【单选题】Many Americans harbor a grossly distorted and exaggerated view of most of the risks surrounding food.Fergus Clydesdale, head of the department of food science and nutrition at the University of Massac...

A.
They overlook the risks of the food they eat.
B.
They overestimate the hazards of their food.
C.
They are overoptimistic about the safety of their food.
D.
They overstate the government's interference with the food industry.

【多选题】下列哪一种药物为气体杀菌剂()

A.
过氧醋酸
B.
尼泊金乙酯
C.
甲醛
D.
75%乙醇
E.
环氧乙烷