【单选题】( )是将系统化的、规范化的、可定量的方法应用于软件的开发、运行和维护的过程。
【单选题】All the mobile phones must __________ before the meeting begins.
【简答题】某场效应管的转移特性如右图b)所示,由此D可知该管是____沟道____型的绝缘栅场效应管, ____, ____。
【单选题】Before starting an engine by air, the engine must .
A.
be turned by a turning gear for at least one minute
B.
be turned by a turning gear for at least two minutes
C.
be turned at least one complete turn
D.
be turned at least two complete turns
【单选题】Remember off the lights before going out. [ ]
【单选题】Do remember to remind her_________the gas before she leaves.
【多选题】经济新常态将给中国带来新的发展机遇是( )
A.
新常态下的经济增长更趋平稳,增长动力更为多元
【单选题】Before turning the main engine. the turning gear should be
【多选题】经济新常态将给中国带来新的发展机遇是( )
B.
新常态下的经济增长更趋平稳,增长动力更为多元