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【单选题】
三极管的三个极分别为发射极、基极、集电极，按这一顺序它们所对应的表示符号应为（）。A.
e、b、c
B.
c、e、b
C.
b、e、c
D.
e、c、b
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反馈参考答案：
举一反三
【单选题】普通商业企业可以零售的药品是
A.
处方药
B.
处方药和甲类非处方药
C.
乙类非处方药
D.
甲类非处方药
E.
非处方药 根据《处方药与非处方药分类管理办法(试行)》
【单选题】What is one of the problems in Biramichi River?
A.
Lack of oxygen.
B.
Overgrowth of water plants.
C.
Low water level.
D.
Serious pollution upstream.
【单选题】Phase I reactions for xenobiotic detoxification require a reduced cofactor to donate electrons to oxygen as one atom of oxygen is incorporated into the substrate and the other atom of oxygen is incorp...
A.
Hexose monophosphate shunt
B.
Glycolysis
C.
Fatty acid biosynthesis
D.
TCA cycle
E.
Fatty acid oxidation
【简答题】Unit 1 More reading. For health and beauty. Read the article below from a website on exercise. Aerobics is one of the most beneficial and also one of the most beautiful forms of exercise. Any physical...
【简答题】与普通光源相比，激光的优点是速度快、单色性和方向性强。（ ）
【简答题】与普通光源相比，激光的优点是速度快、单色性和方向性强。( )
【单选题】When athletes expend vast amounts of energy, they are sometimes seen on the sidelines using supplemental oxygen. More than 90% of the O2 webreathe is used for the generation of which one of the follow...
A.
ATP
B.
ADP
C.
NAD+
D.
FAD
E.
Acetyl-CoA
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