下列关于“人民币”的正确认识是（）
①能够履行货币的基本职能
②是由国家发行的、强制使用的价值符号
③从商品中分离出来固定地充当一般等价物的商品
④保持人民币币值稳定，对世界金融稳定、经济发展具有重要意义
| One of the good things for men in
women’s liberation is that men no longer have to pay women the old-fashioned
courtesies. In an article on the new manners, Ms. Holmes says that a perfectly able woman no longer has to act helplessly in public as if she were a model. For example, she doesn’t need help getting in and out of cars. "Women get in and out of cars twenty .times a day with babies and dogs. Surely they can get out by themselves at night just as easily." She also says there is no reason why a man should walk on the outside of a woman on the sidewalk. "Historically the man walked on the inside so he caught the garbage thrown out of a window. Today a man is supposed to walk on the outside. A man should walk where he wants to. So should a woman. If, out of love and respect, he actually wants to take the blows, he sh A. he got to the chair first B. he happened to like the seat C. his wife ordered him to do so D. he’d walked ahead of his wife [单选题]在超过（）深的基坑内作业时.向坑外抛掷土石应防止土石回落坑内.并做好防止土层塌方的临边防护措施。
A.1m B.1.5m C.2m D.2.5m [单项选择]瓶（桶）装饮用纯净水样品微生物检验应做（）。
A. 细菌总数、大肠菌群、真菌和酵母、致病菌 B. 细菌总数、大肠菌群、致病菌 C. 大肠菌群、致病菌 D. 细菌总数、致病菌 E. 真菌和酵母、致病菌 [判断题]PIS系统的列车到站信息是通过综合监控系统获得。( )
A.正确 B.错误 [单项选择]慢性粒细胞白血病的临床特点是（）。
A. 头痛、呕吐，脑脊液可检出白血病细胞 B. 寒战、高热、出血并迅速衰竭 C. 低热、贫血、巨脾 D. 低热、乏力、颈部淋巴结肿大，切口不愈合 E. 贫血、发热、无痛性淋巴结进行性肿大 [单选题]压力性损伤评分10分应多久评估一次?( )
A.每天 B.每三天 C.每周 [多选题]开票需要附哪些附件？( )
A.合同&订单 B.进账画面 C.对账单 D.开票信息 [单项选择]尽量提高抽放负压，孔口负压不小于（）kPa。
A. 13 B. 15 C. 20 [单项选择]在夏季向体育馆内一侧通过圆形送风口水平送入冷风，冷风射流在体育馆内将( )。
A. 向上弯曲 B. 向下弯曲 C. 水平左侧弯曲 D. 水平右侧弯曲 [单项选择]选择呼叫的信号起始于哪里（）
A. 由VHF或HF来 B. 由选择译码器来 C. 由HF或VHF的天线来 D. 由地面台发射的呼叫信号而来 [单选题]下列影响施工质量的生产要素中，只能通过采取预测预防的控制方法以消除其对施工质量不利影响的是（ ）。
A.环境因素 B.施工人员 C.机具设备 D.施工机械 我来回答: 提交
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