Dear Editor,(编辑)
   I am unhappy these days. I am a student in Grade 3 of a middle school. I want to be a policewoman in the future. (未来) But my mother doesn't like  the job. She always says it is too dangerous for a girl to work as a policewoman. She thinks girls should work in the office. She hopes that I can work as a doctor. But I really dislike being a doctor. It's terrible for me to work in the hospital.  When I talk with her about it, she is often angry. She always thinks she is right. I don't know what to do. Can you help me?
                                                                                                                                                         Yours,
                                                                                                                                                         Nancy

如图是直流电铃的原理图，关于电铃工作时的说法不正确的是

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电影《捉妖记》根据中国神话故事改编，构建了一个人与妖共存的奇幻世界，将水墨山水中国风元素和妖的形象创新结合。结合最新的特效技术，给观众带来了一道文化大餐。《捉妖记》获得高票房的原因在于（    ）

①重视中西文化的交流、借鉴和融合 ②在历史与现实的交汇点上积极创新

③能够保障人民群众的基本文化权益 ④科学技术是文化传播的重要途径

指出下面比喻句是用什么比喻什么。

①老师像一把火炬，时刻把光明洒向人间，让自己的生命燃烧不止。

②笔直的公路上，一对对玉兰花灯柱，像等待检阅的依仗队，整整齐齐地站着。

③漓江的水真绿啊，绿得仿佛那是一块无瑕的翡翠。

④玉屑似的雪末随风飘扬。