女,42岁,胸骨后疼痛伴反胃2年,服胃舒平能缓解症状,多次心电图检查正常。
最可能的诊断是( ) An investigation of the circulation of
blood in the eyes of diver has produced the strongest evidence that tissue
damage caused by diving is more common and more severe than had been previously
thought. Of the 26 professional divers studied, all had abnormal retinas. None
of the divers taking part in the study had visual problems as a result of their
damaged retinas but Alan Bird of Moorfields Eye Hospital in London said that he
"would not be surprised to find divers whose damage has progressed far enough to
affect their vision". Evidence has mounted during recent years to show that exposure to pressure during diving subtly damages the central nervous system. Doctors believe that the damage is due to obstruction in the flow of blood through the tissues. People who take up diving as a sport know they are at risk of getting "the b A. low blood pressure can cause eye problems in divers B. diving is becoming more and more dangerous C. eyes can be severely harmed as a result of diving D. many divers experience approximately 50% vision loss [单项选择]两个开关控制一盏灯,只有两个开关都闭合时灯才不亮,则该电路的逻辑关系是()。
A. 与非 B. 或非 C. 同或 D. 异或 [单项选择]普查宫颈癌时最有实用价值的检查方法是( )。
A. 宫颈刮片细胞学检查 B. 宫颈碘试验 C. 妇科三合诊检查 D. 阴道镜检查 E. 宫颈活组织检查 [单项选择]女,15岁,凸面型,鼻唇角小,面下1/3长,磨牙中性关系,尖牙远中关系,前牙Ⅲ度深覆,覆盖6mm,上颌前牙段拥挤4mm,下颌前牙段拥挤6mm,ANB5.5度。内收前牙需在何种钢丝上进行()
A. 0.016英寸NiTi圆丝 B. 0.016英寸不锈钢圆丝 C. 0.018英寸NiTi圆丝 D. 0.019英寸×O.025英寸NiTi方丝 E. 0.019英寸×0.025英寸不锈钢方丝 [多项选择]针对企业套期保值交易,可设置()部门,分别构成套期保值业务的前台、中台和后台。
A. 财务部 B. 交易部 C. 结算部 D. 风险控制部门 [单选题]行政许可是行政机关的()行为。
A.认定 B.批准 C.允许 D.认可 [单项选择]珍珠母的功效是()
A. 平肝潜阳,降逆,凉血止血 B. 平肝潜阳,清肝明目,收湿敛疮 C. 平肝清热,降血压,利水 D. 平肝疏肝,祛风明目,散风止痒 E. 平肝潜阳,清肝明目 [判断题]计费服务器实现计费中心话单的分拣、超长话单的分割过滤及利用备份话单文件重新生成计费中心话单文件等功能。( )
A.正确 B.错误 [判断题]综合录井仪钻井液液位(超声波池体积)传感器标定, 传感器高度匀速增大和匀速减小各进行一个量程。( )[1分]
A.正确 B.错误 [判断题]二次系统和照明等回路上的工作,需要将高压设备停电者或做安全措施者,应填用第一种工作票。( )
A.正确 B.错误 [单选题]单选题:A级演练为公司级演练,由( )组织协调,相关中心/办公室配合开展的演练。
A.培训管理办公室 B.技术办公室 C.调度指挥中心 D.安全保卫办公室 [单项选择]客户对当日交易结算结果的确认,应当视为对()的确认,所产生的交易后果由客户自行承担。
A. 该日所有持仓和交易结算结果 B. 该日所有交易结算结果 C. 该日之前所有交易结算结果 D. 该日之前所有持仓和交易结算结果 [单选题]验算基础裂缝宽度时,基础底面压力应取下列何值?( )
A.225kPa B.223kPa C.165kPa D.180kPa [判断题]确认工作的必要性和安全性是工作负责人的安全责任。
A.正确 B.错误 我来回答: 提交
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