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【单选题】

洗纯毛大衣避免用加什么酶的洗衣粉去洗

A.
脂肪酶
B.
蛋白酶
C.
淀粉酶
D.
氧化酶
题目标签:洗衣粉去洗
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参考解析:
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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