There seems never to have been a
civilization without toys, but when and how they developed is unknown. They
probably came about just to five children something to do. In the ancient world, as is today, most boys played with some kinds of toys and most girls with another. In societies where social roles are rigidly determined, boys pattern their play after the activities of their fathers and girls after the tasks o~ their mothers. This is true because boys and girls are being prepared, even in play, to step into the roles and responsibilities of the adult world. What is remarkable about the history of toys is not so much how they changed over the centuries but how much they have remained the same. The changes have been mostly in terms of craftsmanship, mechanics, and technology. It is the universality of toys with regard to their development in all A. their social roles are rigidly determined B. most boys would like to follow their fathers’ professions C. boys like to play with their fathers while girls with their mothers D. they like challenging activities [多选题]根据化学品的危险程度,化学防护服可分为 ( ) 。
A.特级 B.一级 C.二级 D.三级 [单选题]患者,男,28岁。餐后突发性右上腹痛,疑为十二指肠,溃疡穿孔。下列检查中,最具有诊断意义的是
A.肠鸣音消失 B.腹腔穿刺 C.肠鸣音亢进 D.上腹压痛、反跳痛 E.立位腹部平片可见膈下游离气体 [单选题]( )车站应开展旅客携带品搬运业务。
A.客流量较大的 B.三等以上 C.特、一等 D.一等 [单选题]谬论:结论
A.纠纷:纠葛 B.相识:见识 C.承认:否认 D.否决:表决 [多项选择]完善公平贸易政策,健全贸易运行( )机制,增强应对贸易争端能力,维护企业合法权益和国家利益。
A. 监测预警 B. 摩擦应对 C. 反倾销 D. 反补贴 E. 行业保障 [多选题]1.65.第65题
受电工程设计审核时限,自受理申请之日起,低压供电客户不超过()个工作日,高压供电客户不超过()个工作日。未在规定时限内完成的,应及时向客户做好沟通解释工作。 A.5 B.8 C.10 D.20 [判断题]清理皮带卫生时可以不停机、上锁、挂牌
A.正确 B.错误 [单项选择]提示胎儿储备功能丧失()
A. 胎儿心率每分钟持续在150次以上 B. 胎儿心率每分钟持续在120次,历时10分钟 C. 胎儿心率有基线摆动 D. 胎儿心率静止型 E. 胎儿心率有变异 [多选题]69:768) 下列关于检查的说法正确的是( )。
A.对卖淫人员进行性病检查,应当由医生进行 B.被检查人拒绝在检查笔录上签名的,人民警察应当在笔录上注明 C.检查妇女的身体,应当由女性工作人员进行 D.对有必要立即对某场所开展检查时,也应经领导审批,持审批文件进行检查 [判断题]在高压试验中,对于未装接地线的大电容被试设备,应直接做试验。
A.正确 B.错误 [判断题]教唆、帮助无民事行为能力人、限制民事行为能力人实施侵权行为的,应当与无民事行为能力人、限制民事行为能力人承担连带责任()
A.正确 B.错误 [单选题]被称为动能武器的“眼睛”的是( )
A.超高速发射装置 B.探测系统 C.制导系统 D.射弹 [判断题]
推算导线边方位角时,若推算α前>360°应减去360°;若α前<0°则应加上360°。() [单选题]AM96 型转向架保证良好的垂向振动的稳定性二系悬挂安装了空气弹簧( )。
A.抗蛇行减振器 B.牵引拉杆 C.垂向减振器 D.横向减振器 [单选题]对首次创办小微企业或从事个体经营,且所创办企业或个体工商户自工商登记注册之日起正常运营1年以上的( )高校毕业生,试点给予一次性创业补贴。
A.毕业学年 B.毕业年度 C.离校1年内 D.离校2年内 [单选题]接触网夜间升弓手信号是:( )
A.白色灯光上下左右重复摆动 B.绿色灯光上下左右重复摆动 C.绿色灯光作圆圈转动 D.白色灯光作圆圈转动 [单选题]下列不属于呼吸保护器具的是( )。
A.过滤式防毒面具 B.强式送风机 C.氧气呼吸器 D.空气呼吸器 [单项选择]下列不是本期供给量的构成因素的是()。
A. 期初库存量 B. 期末库存量 C. 当期国内生产量 D. 当期进口量 [填空题]发现旅客携带()进站乘车时,站车应提前沟通,做好服务准备。
[多选题]客户开立借记卡时,以下证件为有效证件( )。
A.居民身份证 B.驾驶证 C.台湾居民往来大陆通行证 D.中国护照 E.结婚证 F.居民身份证复印件 [单选题]根据《突发事件应对法》,社会安全事件发生后,应由人民政府组织,并由公安机关采取的应急处置措施是()。
A.立即抢修被损坏的交通、通信、供水、排水、供电、供气、供热等公共设施 B.实施医疗救护和卫生防疫措施 C.对特定区域内的建筑物、交通工具、设施以及电力、水等供应进行控制 D.保障食品、饮用水、燃料等基本生活必需品的供应 [填空题]专责监护人临时离开时,应通知被监护人员()或离开工作现场,待专责监护人()方可恢复工作。
[填空题]OOSE分析阶段所要做的事就是建立 【20】 和分析模型。
[判断题]M8013是1s脉冲。( )
A.正确 B.错误 [填空题]
:[听力原文]11-15 The cottage was built() [单选题]高压断路器的额定电流是指()。
A.断路器长期运行电流 B.断路器长期运行电流的有效值 C.断路器运行中的峰值电流 D.断路器长期运行电流的最大值 [单项选择]The world is going through the biggest wave of mergers and acquisitions ever witnessed. The process sweeps from hyperactive America to Europe and reaches the emerging countries with unsurpassed might. Many in these countries are looking at this process and worrying: "Won’’ t the wave of business concentration turn into an uncontrollable anti-competitive force"
There’’s no question that the big are getting bigger and more powerful. Multinational corporations accounted for less than 20% of international trade in 1982. Today the figure is more than 25% and growing rapidly. International affiliates account for a fast-growing segment of production in economies that open up and welcome foreign investment. In Argentina, for instance, after the reforms of the early 1990s, multinationals went from 43% to almost 70% of the industrial production of the 200 largest firms. This phenomenon has created serious concerns over the role of smaller economic firms, of national businessmen and over th
A. optimistic B. objective C. pessimistic D. biased [单选题]区别油脂和挥发油,一般可采取
A.升华试验 B.挥发试验 C.泡沫试验 D.沉淀试验 E.显色试验 [判断题]单双线电话闭塞无联锁中,首列使用电话闭塞法时,须与邻站核对改用电话闭塞法行车的调度命令。
A.正确 B.错误 [多选题]通过台、小走廊未安装不锈钢花纹板但存在______、______、_______等不良情况的客车进行整治。
A. 地板软弱 B.塌陷 C.地板布破损 D.压条松动 [单项选择]片剂的生产实例:红毒素片。将红毒素与淀粉搅拌均匀,加淀粉浆继续搅拌使成软材,用12目筛制粒,80-90℃通风干燥,干粒加入硬脂酸镁和干淀粉,整粒,混匀,压片(直径9mm)。提示:掌握新剂型微囊的性质。以下哪种说法是错误的().
A. 理想的微囊应是大小均匀的球形,囊与囊之间不粘连,分散性好 B. 微囊的囊经大小直接影响药物的释放生物利用度 C. 微囊是利用天然或合成高分子材料,将固体或液体药物包嵌成直径5-250um的微小胶囊 D. 制备方法直接影响微囊的大小 E. 搅拌速度快,微囊囊粒细,搅拌慢则粗 [单选题]CCTV系统IPSAN一般采用RAID5存储模式对图像进行存储,设置RAID5最少需要( )硬盘。
A.2 B.3 C.4 D.6 我来回答: 提交
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