【单选题】听力原文:W: Can I help you? I'm Nancy, the clerk of Human Resources Department. M: My name is Wang Fang, how do you do? W: I see by your resume that you have been working? M: Yes, I have worked for four y...
【判断题】In a typic NC system the numerical data which is required for producing a part is maintained on a punched tape and is called the automatic program.