由于光电开关的固有特性,即使被检测物在()晃动也不会影响驱动器的输出状态。
A、大范围内
B、小范围内
C、快速
D、任何情况下
参考答案:B
由于光电开关的固有特性,即使被检测物在()晃动也不会影响驱动器的输出状态。
A、大范围内
B、小范围内
C、快速
D、任何情况下
参考答案:B
完形填空。 | |||
An English padre(神父) wanted to become a member of a certain club in Africa.In order to | |||
( )1.A.shoot ( )2.A.eat ( )3.A.minutes ( )4.A.fast ( )5.A.turned ( )6.A.killed ( )7.A.result ( )8.A.acknowledged ( )9.A.inaccurate ( )10.A.last ( )11.A.tell ( )12.A.fell ( )13.A.difficult ( )14.A.counted ( )15.A.drove | B .kill B .walk B .seconds B .immediately B .reappeared B .jumped B .situation B .understood B .unnecessary B .fifteenth B .frighten B .shot B .serious B .waited B .rushed | C.catch C.drink C.days C.once C.returned C.fired C.answer C.believed C.impossible C.sixteenth C.warn C.fired C.exciting C.added C.wandered | D.hurt D.hunt D.hours D.directly D.moved D.tied D.problem D.knew D.indirect D.many D.remain D.missed D.mad D.named D.climbed |