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【简答题】

洗衣粉,除垢剂(名)( )

题目标签:洗衣粉除垢剂
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参考解析:
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刷刷题刷刷变学霸
举一反三

【单选题】推广使用无磷洗衣粉的主要原因是()

A.
防止水体富营养化
B.
防止“白色污染”
C.
防止温室效应
D.
防止水体重金属离子污染

【单选题】浓缩洗衣粉的主要生产工艺是( )。

A.
复配自然干燥法
B.
附聚成型法
C.
高塔喷雾干燥法

【单选题】How to Use the Sense of Smell Our sense of smell, which we normally take for granted, is nowadays being increasingly used for purposes which might surprise us if we aware of them. One area in which sm...

A.
3) preferred ______.A. the smell of shoes to that of flowersB. the smell of flowers to that of shoesC. the shoes in the room with purified airD. the shoes in the room with appealing smells