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问题 填空题

车轮踏面缺损相对车轮轮缘外侧至（）不得小于1508mm。

答案

参考答案：缺损部之距离

单项选择题

E


It was December 25. Marie, a 13-year-old Australian girl, was happy. It was Christmas and Marie’s mother was making a very special cake. She put four small coins into the cake and then baked it. The four coins were for good luck. After dinner, Marie and her family ate the cake. They found three coins in the cake and put them on the table. Where was the fourth one It was missing(找不到的), but Marie’s mother didn’t notice.
After Christmas, Marie got sick. She coughed and couldn’t speak. Marie’s parents took her to hospital. Doctors at the hospital looked her over and then said," We are sorry, but we can’t help her. "For 12 years, Marie didn’t speak. But like other common people, she grew up, she got a job, she got married. One day, when Marie was 25 years old, she got a sore throat. She began to cough. She coughed up something small and black. What was it Marie didn’t know. She took it to a hospital. A doctor at the hospital said," This is a coin!" The doctor told Marie," I think you can speak again. \

When did the story begin ( )

A．During Christmas.

B．On Marie’s birthday.

C．Before Christmas.

D．After Christmas.
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单项选择题

执勤装备管理要求建立（），实时掌握执勤装备的数量、种类和运行状态。

A、器材清单

B、出入库清单

C、执勤装备数据库

D、使用清单
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