单选题 To traverse a list, you need a () pointer.
A. null
B. walking
C. beginning
D. insertion
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填空题 We can access the individual elements of an element of an array using the array ____and the ____.
填空题 A ____is a collection of related element, possibly of different types, having a single name, each element in it is called a ____.
填空题 A linked list is an ordered collection of data in which each element contains the location of the next element; that is , each element contains two parts: ____and ____.
填空题 A ____is an ordered collection of data, each element contains two parts: data an address.