明线要求缉线顺直()。
A.缉线顺直
B.宽窄一致
C.边线自然圆顺
D.其他
参考答案:B
Questions 30 to 32 are based on the passage you have just heard.
A.A platform worker.
B.A computer.
C.The command spot.
D.A machine.
下列程序段的输出结果是ACCEPT TO AIF A=[123]S=0ENDIFS=1?S
A.0
B.1
C.123
D.由A的值决定