2，1，10，22，31，43，（），64
A: 51
B: 52
C: 53
D: 55
A: 51
B: 52
C: 53
D: 55
举一反三
- 成人‘听小骨、颅骨、躯干骨、四肢骨’各有（ ）块。 A: 10、19、51、126 B: 6、23、52、125 C: 5、22、53、104 D: 6、23、51、126 E: 8、24、48、126
- 29，35，41，47，( ) A: 52 B: 55 C: 53 D: 50
- 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
- 二进制数（110101）2转换成十进制数是（）。 A: 43 B: 63 C: 51 D: 53
- 按照目前世界平均开采强度，全球煤炭、石油和天然气分别可开采（）年。 A: 112、52、53 B: 113、53、55 C: 114、52、53 D: 115、53、55