第一章测试
1.What is the fundamental question of computer science? （ ）
A:How much money can a programmer make?
B:How fast can a computer compute?
C:What can be computed?
D:What is the most effective programming language?
答案:C
2.A statement is （ ）
A:a preci description of a problem
B:a complete computer command
C:a translation of machine language
D:a ction of an algorithm
答案:B
3.The items listed in the parenthes of a function definition are called （ ）
A:parentheticals
B:both B and C are correct
五大宝石C:arguments
D:parameters
答案:B
糖醋鸡米花
4.All information that a computer is currently working on is stored in main memory. （ ）
A:对
椒盐豆腐B:错
答案:A
5.A loop is ud to skip over a ction of a program. （ ）
A:错
B:对
答案:A
第二章测试
6.Which of the following is not a legal identifier？ （ ）
A:spam
B:2spam
C:spam4U
D:spAm
答案:A
7.In Python, getting ur input is done with a special expression called （ ）
A:input
B:for
C:read
D:simultaneous assignment
答案:A
8.The process of describing exactly what a computer program will do to solve a problem is called （ ）
A:programming
B:implementation
C:specification
D:Design
答案:C
9.In Python, x = x + 1 is a legal statement. （ ）
卖酒A:错
B:对
答案:B
10.The best way to write a program is to immediately type in some code and then debug it until it works. （ ）
A:错
B:对
答案:A
第三章测试
11.Which of the following is not a built-in Python data type? （ ）
A:float
B:rational
C:string
D:int
答案:B
12.The most appropriate data type for storing the value of pi is （ ）
A:string
B:irrational
C:int
D:float
答案:D
13.The pattern ud to compute factorials is （ ）
A:counted loop
B:input, process, output
C:accumulator
D:plaid
答案:C
14.In Python, 4+5 produces the same result type as 4.0+5.0. （ ）
A:错
B:对
答案:A
15.Definite loops are loops that execute a known number of times. （ ）
A:对
B:错
答案:A
第四章测试
16.A method that changes the state of an object is called a(n) （ ）
A:accessor
B:function
C:mutator
D:constructor
答案:C
17.Which of the following computes the horizontal distance between points p1 and p2? （ ）
X( ) - p1.getX( )
B:Y( ) - p2.getY( ))
C:abs (p1-p2)
D:X( ) - p2.getX( ))
答案:D
18.What color is color_rgb (0,255,255)? （ ）
A:Orange
B:Cyan
C:Magenta
D:Yellow
答案:B
19.The situation where two variables refer to the same object is called aliasing. （ ）
A:错
梅花树简笔画B:对
答案:B
20.A single point on a graphics screen is called a pixel. （ ）
A:对
B:错
答案:A
第五章测试
21.Which of the following is the same as s [0:-1]? （ ）
A:s[0:len(s)]
B:s[:]
C:s[:len(s)-1]
D:s[-1]
答案:C
22.Which of the following cannot be ud to convert a string of digits into a number? （ ）
A:eval
B:float
C:str
D:int
答案:C
23.Which string method converts all the characters of a string to upper ca? （ ）
A:capwords
一年级音乐歌曲B:upperca
C:capitalize
D:upper
答案:D
24.In Python “4”+“5”is “45”. （ ）
A:对
B:错
答案:A
25.The last character of a strings is at position len(s)-1. （ ）
A:对
B:错
答案:A
第六章测试
26.A Python function definition begins with （ ）
A:function
B:def
C:define
D:defun
答案:B
27.Which of the following is not a reason to u functions? （ ）
A:to make a program more modular
B:to demonstrate intellectual superiority
C:to make a program more lf-documenting
D:to reduce code duplication意识淡薄
答案:B
28.A function with no return statement returns （ ）
A:None
B:nothing
C:its variables
D:its parameters
答案:A
29.The scope of a variable is the area of the program where it may be referenced. （ ）
A:对
B:错
答案:A
30.In Python, a function can return only one value. （ ）
A:错
B:对
答案:A
第七章测试
31.In Python, the body of a decision is indicated by （ ）
A:parenthes
B:curly braces
C:a colon
D:indentation
答案:D
32.Placing a decision inside of another decision is an example of （ ）
A:nesting
B:spooning
C:procrastination
D:cloning
答案:A
33.Find a correct algorithm to solve a problem and then strive for （ ）
A:scalability
行政主管的工作内容和职责B:efficiency
C:clarity
D:simplicity
答案:ABCD
