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【单选题】
( )是从阿维菌素 B1合成的一种新型高效半合成杀虫剂。
A.
伊维菌素
B.
甲氨基阿维菌素苯甲酸盐
C.
氯丹
D.
氟虫腈
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【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.