熔化石蜡样品时,可将其放在()进行加热。
A、烘箱或水浴中
B、电热板上
C、电炉上
D、油浴中
参考答案:A
— What happened to the young trees we planted last week?
—The trees______well, but I didn’t water them.
A.might grow
B.needn’t have grown
C.would grow
D.would have grown
仪表自动化工程设计的基本任务是为生产过程和机组设计一套完整的监视和控制系统。