2級第一套全國青少年軟件編程（python）等級測試卷二級附答案

1、2級第一套全國青少年軟件編程（python）等級測試卷（二級)您的姓名： 填空題 *_一.單項選擇題(70分)1. print(12 * 3)表達(dá)式輸出結(jié)果為 單選題 *3612*3121212(正確答案)“12”*32. num = input(輸入一個數(shù)字)num2 = input(輸入另一個數(shù)字)print(“結(jié)果為”+ (num + num2)程序是否會報錯？單選題 *不會，輸出為兩個數(shù)字的和不會，輸出為兩個數(shù)字的連接(正確答案)會，input返回的是字符串，字符串之間不能做加法運算會，字符串和數(shù)字不能做加法運算3. s = vipjrs3 = Jprint(s)輸出結(jié)果為單選題 *v

2、ipJrvipjr報錯(正確答案)J4. s = vipjr,pythonprint(s0 + s-1) 輸出結(jié)果為單選題 *vivpvn(正確答案)on5. lst = 1,2,3,a,b,cprint(lst3:)輸出結(jié)果為單選題 *1,2,3a,b,c(正確答案)3,a,b,c1,26. lst = 1,2,3,a,b,cprint(lst2:4)輸出結(jié)果為單選題 *3,a(正確答案)2,32,3,a2,a7. lst = 1,2,3,a,b,cprint(lst2:-2)輸出結(jié)果為單選題 *3,a(正確答案)2,32,3,a2,a8. lst = 1,2,3,a,b,cprint(ls

3、t1:-1:2)輸出結(jié)果為單選題 *3,a2,32,3,a2,a(正確答案)9. lst = 1, 2, 3, a, b, cprint(lst-2 : 3 : -1)輸出結(jié)果為單選題 *a,bab(正確答案)b,a10. year = 2019if (year % 4) = 0: if (year % 100) = 0: if (year % 400) = 0: print(是閏年) else: print(不是閏年) else: print(是閏年) else: print(不是閏年)輸出結(jié)果為不是閏年單選題 *正確(正確答案)錯誤不知道題目錯誤11. num = 7for i in ra

4、nge(2,num): if (num % i) = 0: print(a) breakelse: print(b) 輸出結(jié)果為單選題 *ab(正確答案)a b無輸出結(jié)果12. s = vipjr_pythonprint(s:5:-1) 輸出結(jié)果為單選題 *pythonnohtyp(正確答案)ythonohtyp13. lst=lst.append(1, 3)print(len(lst)輸出結(jié)果為單選題 *21報錯(正確答案)1,314. lst=lst.append(1, 3)print(len(lst)輸出結(jié)果為單選題 *21(正確答案)1,31,315. lst=lst.append(1

5、, 3)print(lst)輸出結(jié)果為單選題 *211,31,3(正確答案)16. lst=1, 2, 3, a, b, clst.insert(1, 4)print(lst)輸出結(jié)果為單選題 *1,2,3,4,a,b,c1,4,2,3,a,b,c1,2,4,3,a,b,c(正確答案)1,2,3,a,1,b,c17. lst=1, 2, 3, a, b, clst.insert(-2, 5)print(lst)輸出結(jié)果為單選題 *1,2,3,5,a,b,c1,2,3,a,5,b,c(正確答案)1,2,3,a,b,5,c報錯18. x = 2y = 3num = 0if x y: smaller

6、 = yelse: smaller = xfor i in range(1,smaller + 1): if(x % i = 0) and (y % i = 0): num = i continueprint(num) 輸出結(jié)果為單選題 *321(正確答案)019. lst = 1, 2, 3, 4lst.remove(2)print(lst)輸出結(jié)果為單選題 *1,21,3,4(正確答案)2,3,4220. c1 = 1, 2, 3, 4lst = 1,2,6,2c1 = c1.union(lst)print(c1)輸出結(jié)果為單選題 *1,2,3,4,61,21,2,3,4,6(正確答案)1

7、,221. lst = 2, 1, 2, 6lst.sort(reverse=True)print(lst) 輸出結(jié)果為單選題 *1,2,2,66,2,2,1(正確答案)1,2,66,2,122. c1 = 2, 1, 2, 6c2 = 1, 2, 3print(c1 & c2) 輸出結(jié)果為單選題 *1,2,21,2(正確答案)1,2(1,2,2)23. lst = 2, 1, 2, 6lst.sort()print(lst.index(1) 輸出結(jié)果為單選題 *10(正確答案)2324. index = 0while index 4: print(index, end= )index +=

8、1 輸出結(jié)果為單選題 *0 1 2 30 0 0 0 0.直到資源耗盡(正確答案)1 2 31 2 3 425. index = 0while index 6: if index % 2 = 0: print(index, end= ) index += 1單選題 *0 2 4(正確答案)0 2 3 42 3 41 3 526. 下列程序運行結(jié)果是什么kvps=1:1,2:2 thecopy=kvpskvps1=5sum=kvps1+thecopy1print(sum) 單選題 *67110(正確答案)27. 功能：打印比10小且大于或等于0的偶數(shù)，程序如下：x = 10while x:x =

9、 x-1if x%2!=0:_ print (x)橫線處為 單選題 *breakcontinue(正確答案)yieldflag28. index = 0while index 1:s = s1: print(s)輸出結(jié)果為 單選題 *vr(正確答案)ji31. import turtleindex = 0while index 4:if index % 2 = 0:turtle.forward(100)else:turtle.left(90)index += 1turtle.done()上述程序執(zhí)行結(jié)果是什么 單選題 *一個正方形一個直角(正確答案)一個十字一條直線32. import turtlenum = 0while num 10:turtle.left(60)turtle.pencolor(red)elif a num1: print(1)輸出結(jié)果為1單選題 *正確錯誤(正確答案)44. lst = for i in range(5): lst.append(i)print(lst)輸出結(jié)果是1,2,3,4,5單選題 *正確錯誤(正確答案)45. 集合的元素不可以用索引來獲取 判斷題 *正確(正確答案)錯