Linux系统调用是通过软中断____ A: int<br/>60h B: int<br/>80h C: sys_call_table D: LKM

城市轨道交通车站间的距离在市区宜为lkm左右，在郊区不宜大于（）。 A: 0.5km B: 1km C: 1.5km D: 2km

智慧职教: 34XLGLX．普通线路正线设置爬行观测桩时有防爬设备地段每0.5km设置1对，无防爬设备地段每lkm设置1对。

土方路基每一双车道评定路段(不超过lkm)检查80~100个点,多车道公路须按车道数与双车道之比,相应增加测点

根据现行部颁规定，自卸汽车运输运距超过l0km时，应按（）公式调整定额的汽车台时数量。 A: 5km值+(运距一5)×增运1km值 B: 10km值+(运距一10)×增运1km值 C: 5km值×增运1km值 D: 5km值+5×增运lkm值+(运距-10)×增运lkm值×0.75

生物圈的范围大致包括 A: 1lkm深的地壳、海洋及15km以内的地表大气层 B: 15km深的地壳、海洋及llkm以内的地表大气层 C: 5km深的地壳、海洋及lOkm以内的地表大气层 D: 20km深的地壳、海洋及30km以内的地表大气层 E: 1km深的地壳、海洋及5km以内的地表大气层

for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是：__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1

for i in range(1,11): for j in range(1,11): b.cell(row=i,column=j).value=1 #b是一个工作表对象for i in range(1,11): for j in range(1,11): print(b.cell(row=i,column=j).value,end=" ") print()上面程序代码运行的结果是（）。 A: 1 B: 1 1 1 1 1 1 1 1 1 1 C: 1111111111 D: 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1

下列哪个码片序列不能用于CDMA通信 A: ( -1 -1 -1 +1 +1 -1 +1 +1 ) B: ( -1 -1 +1 -1 +1 +1 +1 -1 ) C: ( -1 +1 -1 +1 +1 -1 -1 -1 ) D: ( -1 +1 -1 -1 -1 -1 +1 -1 )