The principle of selecting the currency of account in the payment for goods in international trade is [ ] A: hard currency for collection and payment B: hard currency for collection and soft currency for payment C: soft currency for collection and hard currency for payment D: soft currency for collection and payment

ETC is the abbreviation of .（ ）。 A: Electronic Toll Collection B: Electricity Toll Collection C: Electronic Tear Collection D: Electrical Toll Collection

以下关于Collection描述正确的是（） A: newCollection（）可以创建对象 B: Collection是抽象类 C: Collection是接口 D: Collection中有构造方法

[resultMap]的子元素[association]和[collection]用于处理多表时的关联关系。（ ）

In international trade clean collection is more frequently used than documentary collection。（ ）

智慧职教: Collection接口中实现将指定的collection中的元素加入到指定collection的方法是____

以下对Collection的描述中错误的是（）。 A: Collection是一个接口 B: List是Collection的一个子接口 C: Collection没有父接口 D: ArrayList实现了List接口，从而也实现了Collection接口

托收（Collection）

What is a collection? ______．

雨课堂: Tax collection and administration law is the general term of relevant laws and regulations on tax collection and administration, including relevant laws, regulations and rules on tax collection and administration.