试分析如下化妆品配方方中各成份的作用,回答问题。 A相: 硬脂酸 11.3g 单硬脂酸甘油酯 7.0g 凡士林 8.5g B相: 十二烷基硫酸钠 1.0 g 甘油 8.5 g 尼泊酯 0.1 g 尿素 15.0g 蒸馏水 48.8 g 在以上配方中主要的防腐剂是_______,主要功效成分是_______,主要功效是______。
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【单选题】You have just been asked out to dinner but you really don't want to go with the person who invited you. According to American English culture, you might say: ____________
【单选题】You have just been hired as a business consultant to determine what pricing policy would be appropriate in order to increase the total revenue of a bakery. The first step you would take would be to
A.
increase the price of every loaf of bread in the store.
B.
look for ways to cut costs and increase profit for the bakery.
C.
determine the price elasticity of demand for the bakery's products.
D.
determine the price elasticity of supply for the bakery’s products.