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【判断题】

软性洗衣粉是非直链烷基苯磺酸盐。

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
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举一反三

【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