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【判断题】

MTBE是一种高辛烷值的汽油添加剂,它能够与水混溶。()

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】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】治疗地高辛引起的室性期前收缩(室早)的首选药是

A.
奎尼丁
B.
苯妥英钠
C.
利多卡因
D.
胺碘酮
E.
普鲁卡因胺

【单选题】地高辛治疗心房纤颤的机制是

A.
延长心房的有效不应期
B.
缩短心房的有效不应期
C.
减慢房室传导
D.
抑制窦房结

【单选题】地高辛的作用机制是抑制

A.
磷酸二酯酶
B.
鸟苷酸环化酶
C.
腺苷酸环化酶
D.
Na+,K+-ATP酶
E.
血管紧张素Ⅰ转化酶

【多选题】下列属于食品添加剂的是()。

A.
防腐剂
B.
酸味剂
C.
漂白剂
D.
凝固剂