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移动电话网：由_________、_________、_________和_________组成。
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加氢催化剂装填时，进入反应器内作业的人员，应带上防爆灯、外供风式面罩等，并有专人监护。
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Every country has traffic rules and signs, but are they the same? In most countries, there are street and road signs with 21________ about location,directions,dangers,cautions, and rules of the road. These 22 _________ tell drivers and pedestrians what to do and what not to do,including speed and parking 23 ________,places to stop,when to make turns,and other 24________.However, specific local traffic laws and practices usually differ around the world. For instance, in Japan, Indonesia, South Africa, the United Kingdom, and other countries ,steering 25________are on the right side of vehicles ,and cars and trucks drive on the left side of the road. In other 26 _________,such as the United States,Saudi Arabia,Italy, and Mexico,steering wheels are on the left side of vehicles ,and cars and trucks 27________on the right side of the road. An illustration of a local 28________law is the regulations for pedestrian and school 29 ________ in some Mexican cities:drivers rarely respect the rules,so for safety, people cross streets only at stop lights, on roads with little traffic, or on pedestrian-only 30 _________ across wide avenues.
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Under the White Australia Policy, immigrants to Australia had to take a test in a European language, the failure of which would be given the status of prohibited immigrant.()
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27岁的教师林某从不吃面包、乳酪或任何含有酵母菌的食物，以大量糖分或蜂蜜腌渍的果脯也被拒于千里之外，因为她相信太多酵母菌对身体有害。2年前某医师为林某检查身体认为吃进太多酵母菌，导致体内阴阳严重失调。医师为林某开出一份完全不含酵母菌的菜单。林某在奉行该菜单一年后，患上严重的营养不良症，并对许多食物都产生了过敏反应。她的体重由原先的52kg减至40kg，不时产生晕厥症状，体力也在持续衰退中。从健康道德方面分析，下述哪一项是错误的（）
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女，43岁。咳嗽3个月，偶有痰中带血，近来出现低热、消瘦、乏力，查体：左上肺叩浊音，呼吸音减弱，血沉增快，可能的诊断是（）
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存金通账户提货（）。客户需将签约借记卡交经办人员，填写《中国农业银行贵金属零售业务实物销售／提货（客户买入／提货）凭证》，并告知经办人员所要提取的实物贵金属产品的（），经办人员应根据当日优惠信息，提示客户是否满足客户级别优惠条件。
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氯气纯度98％，意思是什么？
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简述大港油田50525钻井队中4—72井井喷事故原因。
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下列属于行政许可法调整对象的是()。