已有字典DD = {'aa':{'bb':1,'cc':5},'bb':2,'cc':3},下列选项中能够输出5的是______() A: print(DD ['cc']) B: print(DD['aa']['cc']) C: print(DD['aa'][5]) D: print(DD['aa'][1])

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2022-05-27 问题

已有字典DD = {'aa':{'bb':1,'cc':5},'bb':2,'cc':3},下列选项中能够输出5的是______() A: print(DD ['cc']) B: print(DD['aa']['cc']) C: print(DD['aa'][5]) D: print(DD['aa'][1])

2022-06-27 问题

标准麻花钻横刃处前角为（）。 A: -54°～-60° B: -10°～-20° C: 0° D: 5°

2022-06-06 问题

阅读下列代码，输出结果正确的是()Vark=0;Vari=0;While(I<5){k＋＋;If(k>5){break;}}Document.write(I,k); A: 54 B: 45 C: 55 D: 44

2022-05-29 问题

下列程序的运行结果是（）。t = 0 while t < 5: print(t, " is less than 5") t = t + 1else: print(t, " is not less than 5") A: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 55 is not less than 5 B: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 55 is not less than 5 C: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 5 D: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 5

下列程序的运行结果是（）。t = 0 while t < 5: print(t, " is less than 5") t = t + 1else: print(t, " is not less than 5") A: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 55 is not less than 5 B: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 55 is not less than 5 C: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 5 D: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 5

2022-07-02 问题

安装于起居和服务处所的喷水器的动作温度为： A: 57℃ B: 68℃～79℃ C: 54℃ D: 87℃

2022-06-04 问题

假定对有序表：（3，4，5，7，24，30，42，54，63，72，87，95）进行折半查找，若查找元素54，需依次与哪些元素比较？ A: 3，4，5，7 B: 24，30，42，54 C: 30, 63, 42, 87 D: 30, 63, 42, 54

假定对有序表：（3，4，5，7，24，30，42，54，63，72，87，95）进行折半查找，若查找元素54，需依次与哪些元素比较？ A: 3，4，5，7 B: 24，30，42，54 C: 30, 63, 42, 87 D: 30, 63, 42, 54

2022-06-04 问题