超星 - Quiz for Unit 8.1 - 查题吧

单选题

The index of an array starts from ( ).

A. 0
B. 1
C. 2
D. -1

单选题

Assume an array “list” contains 5 elements: [1, 2, 3, 4, 5]. The value of the subscripted variable “list[3]” is ( ).

A. 1
B. 2
C. 3
D. 4

单选题

Assume an array “list” contains 5 elements: [1, 2, 3, 4, 5]. The value of the subscripted variable “list[2 - 1]” is ( ).

A. 1
B. 2
C. 3
D. 4

单选题

The subscript “x” contained within square brackets “list[x]” can be any expression that evaluates a ( ).

A. integer
B. single-precision float
C. double-precision float
D. character

多选题

The declaration of an array should contain ( ).

A. The data type of the items in the array.
B. The array name.
C. The number of items in the array.
D. Values of the items in the array.

判断题

Each scalar variable can only store a single value at a time.

A. 对
B. 错

判断题

Values of a data structure can be decomposed into individual data elements.

A. 对
B. 错

判断题

Values in an array can have different data types.

A. 对
B. 错

判断题

We can scan all the elements in an array with the help of a for loop.

A. 对
B. 错

判断题

C checks the value of the index being used within the bound automatically.

A. 对
B. 错

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