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【单选题】
目前我国允许使用并制定有 ( ) 的仪器添加剂有防腐剂、抗氧化剂、发色剂、漂白剂、酸味剂、凝固剂、疏松剂、增稠剂、消泡剂、着色剂、乳化剂、品质改良剂、抗结剂、香料、营养强化剂、酶制剂、鲜味剂等 20 多类。
A.
国家标准
B.
化工标准
C.
卫生标准
D.
地方标准
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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】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】泡沫的生成在钻井液中可能带来不少麻烦，因而需要用消泡剂消泡，消泡剂在溶液表面铺展得越快，则使液膜变得越( )，消泡作用也就越( )。
A.
薄，弱
B.
薄，强
C.
厚，弱
D.
厚，强