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【判断题】

铝碳质制品抗氧化剂有金属铝粉、硅粉、碳化硅粉。

A.
B.
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参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】注射液中常加入的抗氧化剂有

A.
硫酸钠
B.
碳酸钠
C.
磷酸氢二钠
D.
亚硫酸氢钠
E.
氯化钠

【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 prevent 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

【单选题】(单选)下列属于化妆品中的抗氧化剂的是( )

A.
叔丁基羟基苯甲酸(BHA)
B.
乙二醇
C.
乙醇
D.
甘油