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【多选题】
下列关于苯甲酸与苯甲酸钠的正确表述为 ( ) 。A.
分子态苯甲酸抑菌作用强
B.
相同浓度的苯甲酸与苯甲酸钠抑菌能力相同
C.
苯甲酸与苯甲酸钠在pH为6菌活性最强
D.
苯甲酸抑制酵母菌的能力较金类强
E.
苯甲酸与苯甲酸钠随着溶液pH的降低抑菌能力增强
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反馈参考答案：
举一反三
【单选题】addition, subtraction, multiplication, integration
A.
积累、减除、累积、集成
B.
加、减、乘、积分
C.
加、减、乘、除
D.
加、减、乘、计数
【简答题】What is necessary to the flourishing and multiplication of the animals kept in captivity?
【单选题】Comparing the “traditional multiplication method” and the lattice method,
A.
More space is required by the lattice method
B.
Each individual step in the lattice method is simpler
C.
The total amount of addition and multiplication operations needed are the same
D.
All of the options given
【简答题】stadia multiplication constant
【单选题】How does Booth's Algorithm improve binary multiplication?
A.
It prevents overflow.
B.
It prevents underflow.
C.
It preserves the sign of the multiplication operation.
D.
It enhances the speed of the operation significantly.
【简答题】scalar multiplication
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