Write a memo in about 50 words. You are a department manager. A new copying machine has been installed in your department. Write a memo to tell your staff members to be careful in using the newly-installed photocopier. Your instructions should include the following particulars: ·Ask them not to use it for too long at a time. ·Ask them to switch off the machine after use. ·Encourage them to offer suggestions for the care of the machine.
押韵
下列不属于隐身武器的是：（） F-22。 F-15。 幻影2000。 F-117。
关于《油类记录簿》的填写，下述说法正确的（） ①《油类记录簿》应逐行、逐页使用，不得留有空白 ②《油类记录簿》所要求记录的细节，应按年月日顺序记录 ①。 ②。 ①和②。 以上都不对。
With regard to syllabus design, the Communicative Approach emphasizes topics.（）
正常情况下，25T型客车转向架上空气弹簧用风由（）提供。
