地籍资料的标准化又包括地籍文件的撰写、编制的标准化和信息载体的标准化两个方面。( )

属于不溶性骨架材料的是（）

A.蜡类
B.乙基纤维素
C.羟丙基甲基纤维素
D.环糊精
E.淀粉

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M: Let me carry that for you. It looks like you’ve bought a lot of gifts for your family!W: Some, but not that many. The gifts are in that small suitcase. You know I take a lot of luggage with me when I go away.Q: Where is the conversation most probably taking place?（）

A．At the airport.
B．In an office.
C．In a shop.
D．In a car.

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