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

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.

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

The term “population” in statistics is defined as _________. A: the whole collection of research objects who are imagined arbitrarily B: the whole collection of research objects who are determined by research objective C: the whole collection of research objects who are determined by period of time D: the whole collection of research objects who are determined by race E: the whole collection of research objects who are determined by region