将钥匙开关从STOP状态转到（）位置，可复位存储器，使CPU回到初始状态。 A: RUN B: MRES C: STOP D: RUN-P

S7-200PLC将编程器内编写好的程序写入PLC时,PLC须处在______模式。 A: RUN B: STOP C: RUN-P D: B和C

CPU的模式选择开关在位置时不仅可以执行用户程序,在运行用户程序时还可通过编程软件读出和修改用户程序,以及改变运行方式。 A: MRES B: RUN-P C: RUN D: STOP

In the long run, a monopolistic competitor A: sets P>MC B: produces where P=AC C: sets MR=MC D: earns zero profit

【单选题】已知协程方法Run,下列组合,能正常结束协程的是() A. StartCoroutine(Run()); StopCoroutine(Run()); B. StartCoroutine(Run()); StopCoroutine("Run"); C. StartCoroutine("Run"); StopCoroutine(Run()); D. StartCoroutine("Run"); StopCoroutine("Run");

It pays ______ to buy goods of high quality. A: in the long run B: in the short run C: at a run D: on the run

He didn't expect to ______ some of his friends here. A: run for B: run over C: run off D: run into

The contract will______at the end of the year. A new one will have to be drawn. A: run out B: run into C: run on D: run after

“跑了和尚,跑不了庙.” 一句正确的译文为( ). A: The monk may run away, but the temple cannot run away with him. B: The monk may run away, the temple cannot run away with him. C: The temple may run away, but the monk cannot run away with it D: Run the monk, run not the temple.

"run up against" = "run out of".( )