男性，55岁，既往有肝炎病史，因呕血一天来急诊。体检：贫血貌，血红蛋白80g/L，血小板计数50×109/L，白细胞计数4.0×109/L，以下哪项为其主要临床表现（）。
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{{B}}Happy Therapy (诊疗){{/B}} Norman Cousins was a businessman from the United States who often traveled around the world on business. He enjoyed his work and traveling. Then, after returning to the United States from a busy and tiring trip to Russia, Mr. Cousins got sick. Because he had pushed his body to the limit of its strength on the trip, a chemical change began to take place inside him. The material between his bones became weak. In less than one week after his return, he could not stand. Every move that he made was painful. He was not able to sleep at night. The doctors told Mr. Cousins that they did not know how to cure his problems and he might never get over the illness. Mr. Cousins, however, refused to give up hope. Mr. Cousins thought that unhappy th A. by laughing at others. B. by acting in funny shows. C. by taking a happy therapy. D. by writing funny stories. [判断题]101、依据《行政处罚法》规定，对当事人同一个违法行为，不得给予两次行政处罚。
A.正确 B.错误 [单项选择]三相电接法分为星形接法和三角型接法，下列说法正确的是（）。
A. 当相电压为220V时，星形接法的电源端线电压也为220V B. 当相电压为220V时，三角形接法的电源端线电压也为220V C. 电动机软启动时，电动机先是三角形接法，后是星形接法 [判断题]146. 中队通常每日出早操，每次时间通常为30分钟。（ ）
A.正确 B.错误 [单选题]电力线路、光电缆、管路等跨越电气化铁路施工时，须在接触网停电并做好（ ）防护措施后进行 。
A.宣传 B.引导 C.安全 D.设备 [单项选择]用于从文本文件中导入和导出数据的宏命令是______。
A. Input Text B. Add Text C. Transfer Text D. In Text [多项选择]下列道德的说法中，错误的是（）
A. 道德是有一定的阶级性 B. 道德没有阶级性 C. 道德是有一定的社会性 D. 道德没有社会性 [单选题]地震发生后，消防救援队伍遂行任务应携行( )小时自我保障物资。
A. 12 B. 24 C. 48 D. 72 [单选题]对于轻度和中度AECOPD患者，主要致病菌为
A.铜绿假单胞菌、MRSA B.军团菌 C.肺炎链球菌、流感嗜血杆菌、卡他莫拉菌 D.多重耐药肠杆菌 E.鲍曼不动杆菌 [判断题]推拉闸刀开关时，必须戴绝缘手套，同时善需偏斜
A.正确 B.错误 [单项选择]我国对法律溯及力问题，实行的原则是( )。
A. 法在任何情况下均溯及既往 B. 法在任何情况下均不溯及既往 C. 法在一般情况下均溯及既往，但为了更好地保护公民、法人或者其他组织的权利和利益而作的特别规定除外 D. 法在一般情况下不溯及既往，但为了更好地保护公民、法人或者其他组织的权利和利益而作的特别规定除外 [单选题]160t电炉炉渣中Cr2O3含量一般为（ ）。
A.0～1% B.1～6% C.8～15% D.18～20% [填空题]All over the world, your chances of success in school and life depend more on your family circumstances than on any other factor. By age three, kids with professional parents are already a full year ahead of their poorer peers. They know twice as many words and score 40 points higher on IQ tests. By age 10, the gap is three years. By then, some poor children have not mastered basic reading and math skills, and many never will. this is the age at which failure starts to become unchangeable.
A few school systems seem to have figured out how to erase these gaps. Finland ensures that every child completes basic education and meets a rigorous standard. In the United States, KIPP charter schools enroll students from the poorest families and ensure that almost every one of them graduates high school--80 percent make it to college. These success stories offer lessons for the rest of us. First, get children into school early. High- quality preschooling does more for a child’s chan [单选题]换流站直流系统应采用程序操作，程序操作不成功，在查明原因并经值班调控人员许可后可进行（ ）操作。
A.遥控步进 B.就地 C.监护 D.检修人员 [单选题] 一般检修动火，动火时间不得超过（ ），特殊情况可适当延长。
A.一天 B.两天 C.三天 D.四天 [单项选择]职业病诊断须由几名取得职业病诊断资格的执业医师集体诊断（）。
A. 2名以上 B. 3名以上 C. 4名以上 D. 5名以上 E. 6名以上 [多选题]下列可在天窗点外进行的维修作业有( )。
A.速度v<160km/h的列车与前一趟列车之间的间隔时间进行线路标志、标记涂刷;整理道床。 B.螺栓扣件涂油。 C.速度v<160km/h的列车与前一趟列车之间的间隔时间进行预卸路料的加固。 D.更换桥梁挡砟块。 [多项选择]用干粉灭火器灭火时，不应将喷嘴对准（）.
A. 火焰根部 B. 火焰上部 C. 火焰中部 [单选题] 硝酸铵具有助燃性和( )性。
A.挥发 B.爆炸 C.吸水 D.氧化 [多选题]建筑结构倒塌破坏的征兆。( )
A. 玻璃破碎 B. 墙体晃动 C. 结构变形 D. 异常声响 [判断题]消费者在购买商品或者接受服务时,有权拒绝经营者的强制交易行为。( )
A.正确 B.错误 [单项选择]下列关于会员卡的描述错误的是（）
A. 按照公司规定，除店长外，其它任何人不允许免费赠送会员卡给客人 B. 酒店前台和客房内摆放《会员手册》登记资料，前台员工及其他部门人员要做好宣传工作 C. 会员卡有前厅部发放和管理，总台员工在交接班时要清点张数和种类 D. 客人如果遗失会员卡，可为客人免费补办 我来回答: 提交
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