为目前取代天然油脂的较理想的栓剂基质（）
A.可可豆酯
B.Poloxamer
C.甘油明胶
D.半合成脂肪酸甘油酯
E.聚乙二醇类
参考答案：D
适用普通税率的进口货物也适用暂定税率。 ( )
—_____?
—I want to buy a skirt.[ ]
A. How much is your skirt
B. Where did you buy the skirt
C. How Will you go to the shop
D. What can I do for you
