不等式﹣4x≤5的解集是（　　）

教育部在全国中小学推行优秀文化典籍进课堂，典籍内容包括《三字经》、《千字文》、《声律启蒙》等。推行优秀文化典籍进课堂旨在（    ）

①加强文化传播与交流，展示世界最优秀的文化                   ②传承中华优秀文化，增强对民族文化的认同感

③全面继承中华传统文化，防止文化迷失的现象                   ④坚持文化自觉和文化自信，增强民族的自豪感

 豆浆机由于快捷方便而进入千家万户．如图是豆浆机示意图．请回答相关问题：

（1）豆浆机的制作材料中属于有机合成材料的是　____ （填序号）；

（2）用铜质材料制作电源插头的插脚是利用铜的____性；

（3）“科学膳食”是人类健康的保障，营养学家建议每天早晨喝一杯豆浆，主要是为了摄入____ （填序号）．

①维生素   ②蛋白质   ③油脂．

    An officer（军官）is at a bus stop. He wants to see his girlfriend by bus. He wants to tell his girlfriend the time of his bus, and then she can meet him at the stop in her car. He wants to call his girlfriend on a pay phone（付费电话）,but he doesn't have a coin（硬币）for the phone. He wants someone to help him.

    A soldier（士兵）is near the stop. The officer walks to the soldier and asks,“Do you have any coins for the phone?”

    “Let me have a look,” says the soldier. “I'll see if I can help you.”

    “Don't you know how to speak to an officer?” says the officer. “Now let's say it. Do you have any coins for the phone?”

    “No, sir,” says the soldier.