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【判断题】
电缆外护层中加入碳黑和抗氧化剂的目的是防止外护层老化。
A.
正确
B.
错误
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【单选题】下列电缆外护层的选择正确的是( )。
A.
放射性作用场所的电缆宜采用钢铠
B.
移动式电气设备应采用橡胶外套加钢铠C
C.
铺设于江河、湖海中的电缆，钢铠应满足受力条件
D.
敷设于保护管中的电缆，一般不作要求
【简答题】下列四个电对中φθ(I2/I-)=0.536V，φθ(Br2/Br-)=1.066V，φθ(Cl2/Cl-)= 1.358V，φθ(Fe3+/Fe2+)=0.771V，最强的氧化剂( ) 。
【单选题】If those "mad moments"— when you can’t recall what your friend has told you or where you left your keys—are becoming more frequent, mental exercises and a healthy brain diet may help. Just as bodies r...
A.
everyone can be forgetful sometimes regardless of one’s age
B.
we can pr our sound mind from aging with certain methods
C.
brain aging starts from the time when we are in our 20s and 30s
D.
memory loss is a sign that shows we are getting old
相关题目：
【单选题】下列电缆外护层的选择正确的是( )。
A.
放射性作用场所的电缆宜采用钢铠
B.
移动式电气设备应采用橡胶外套加钢铠C
C.
铺设于江河、湖海中的电缆，钢铠应满足受力条件
D.
敷设于保护管中的电缆，一般不作要求
【简答题】下列四个电对中φθ(I2/I-)=0.536V，φθ(Br2/Br-)=1.066V，φθ(Cl2/Cl-)= 1.358V，φθ(Fe3+/Fe2+)=0.771V，最强的氧化剂( ) 。
【单选题】If those "mad moments"— when you can’t recall what your friend has told you or where you left your keys—are becoming more frequent, mental exercises and a healthy brain diet may help. Just as bodies r...
A.
everyone can be forgetful sometimes regardless of one’s age
B.
we can pr our sound mind from aging with certain methods
C.
brain aging starts from the time when we are in our 20s and 30s
D.
memory loss is a sign that shows we are getting old
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