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【判断题】
虫酰肼、灭幼脲、灭蝇胺属昆虫生长调节剂类杀虫剂。
A.
正确
B.
错误
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【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.
【单选题】下列有关植物激素及植物生长调节剂应用的叙述，不正确的是[ ]
A.
用适宜浓度乙烯利处理香蕉，可加快果实成熟
B.
用适宜浓度赤霉素处理生长期的芹菜，可提高产量
C.
用适宜浓度细胞分裂素处理水稻，可促进细胞分裂
D.
用适宜浓度2、4—D处理插条两端，可促进插条两端生根
相关题目：
【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.
【单选题】下列有关植物激素及植物生长调节剂应用的叙述，不正确的是[ ]
A.
用适宜浓度乙烯利处理香蕉，可加快果实成熟
B.
用适宜浓度赤霉素处理生长期的芹菜，可提高产量
C.
用适宜浓度细胞分裂素处理水稻，可促进细胞分裂
D.
用适宜浓度2、4—D处理插条两端，可促进插条两端生根
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