探究一种条件对研究对象的影响时,所进行的某种条件不同以外,其他条件都相同的实验,叫做_______。
对照实验
After cleaning the skin, she softly __________ an appropriate amount of face-cream to the face and neck, and then gently massaged until it was fully absorbed.[ ]
A. pressed
B. poured
C. processed
D. applied
农产品价格合理化的意义?