单项选择题 Graciella is making a persuasive complaint at work. Which of these sentences will be most effective in achieving her goal? A、If you can't be bothered with maintaining our equipment in good working order, how can I be confident that you care about your employees? I can't be bothered filing repeated repair requests either. B、I have put up with a broken fax in Workroom 223 for three weeks, and I am just fed up with this waste of my time. Repair the fax or else! C、Did you realize that Bill has still not fixed the fax in Workroom 223 despite the work request I completed two weeks ago? Make Bill fix it soon. D、For the past two weeks, fax machine No. 223- 51 has been unavailable to complete essential business for 25 of our employees due to incomplete service. Please ensure our equipment is repaired by Friday.

单项选择题 列车运行进路控制采用( )控制。 A、一级 B、二级 C、三级 D、四级

多项选择题 边防检查的内容主要包括（       ） A、护照检查 B、证件检查 C、签证检查 D、出入境登记卡检查 E、行李物品检查