【简答题】阅读以下说明和C语言函数。 [说明] 函数change(int num)的功能是对四位以内(含四位)的十进制num进行如下的变换:将num的每一位数字重复一次,并返回变换结果。例如,若num=5234,则函数的返回值为55223344,其变换过程可描述为: (4*10+4)*1+(3*10+3)*100+(2*10+2)*10000+(5*10+5)*1000000=55223344 [C语...
【单选题】Public transit. In North America, public transportation has been the major casualty of the commitment to the automobile. Ridership on public transportation declined in the United States from 23 billio...
A.
Commuter railroad service, trolleys and buses have been reduced in the U. S.
B.
Subways have largely been maintained.
C.
Fares usually can not cover operating costs.
D.
U.S. officials think it worthwhile to subsidize public transportation.
【单选题】昭君墓联“青冢有情犹识路,平沙无处可招魂”的作者是( )。
【单选题】下面学者中( )对昆虫的命名贡献最大( )?
【单选题】《昭君墓联》 “青冢有情犹识路,平沙无处可招魂”其作者是( )
【单选题】《昭君墓联》“青冢有情犹识路,平沙无处可招魂”其作者是()
【判断题】1946年,Helm和Trolle建立并完善了“区别检验法”。
【单选题】在服务开发的设计和再设计阶段,( )最为有用。