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???? Questions 6 to 10 are based on the following passage: ??The poverty line is the minimum income that people need for an acceptable standard of living. People with incomes below the poverty line are considered poor. Economists study the causes of poverty in order to find solutions to the problem. As the general standard of living in the country rises, the poverty line does, too. Therefore, even with today&39;s relatively high standard of living, about tenpercent of the people in the United States are below the poverty line. However, if these people had stable jobs, they could have an acceptable standard of living. Economist ssuggest several reasons why poor people do not have jobs. For one thing, more than half of the poor people in the United States are not qualified to work. Over 40 percent of the poor people are children. By law, children less than 16 years old cannot work in many industries. A large number of poor people are old. Many companies do not hire people over 65 years old, the normal retirement age. Some poor adults do not look for jobs for avariety of personal reasons: they are sick, they do not have any motivation, they have family problems, or they do not believe that they can find a job. Other poor people look for a job but cannot find one. Many poor adults never went to high school. Therefore, when they look for jobs, they have few skills that they can offer. At the present time, the government thinks it can reduce poverty in the country in the following ways. First, if the national economy grows, businesses and industries will hire more workers. Some of the poor who are qualified to look for jobs may fund employment. Then they will no longer be below the poverty line. Second, if society invests in the poor, the poor will become more productive. If the government spends money on social programs, education, and training for poor people, the poor will have the skills to offer, and then it is more likely that they can find jobs.?? Finally, if the government distributes society&39;s income differently, it will raise some poor people above the poverty line. The government collects taxes from the non-poor and gives money to the poor. These payments to the poor are called welfare. In 1975 over 18 million people in the United States received welfare. Some economists are looking for better solution to the poverty problem. However, at the present time, many people depend on welfare for a minimally acceptable standard of living. The author&39;s main purpose to write this articleis___. ?? ??A.to define what the poverty line is B.to explain why some people live below the poverty line C.to find solutions to the problem of poverty D.to show sympathy for those poor people More than 40 percent of the poor people are children.This is mainly because ___.A.they do not have enough motivation B.they are so young that they are deprived of chances to work C.they fail to get enough education D.they are very poor in experience Most of the American poor people are not qualified for employment because___.A.they do not have any motivation to work B.they are not very self-confident C.they are too young or too old to work D.they have physical and family problems Which of the following is NOT true? A.Ten percent of the Americans live a poor life. B.Poor people are those who live below the poverty line. C.The poverty line rises as the general standard of living rises. D.The poverty line tends to be at the same level. We may conclude from the passage that___.A.better solutions to the poverty problem are not yet found B.welfare will enable people to be rich C.poor people are bound to go out of the poverty line of they have chances to do business D.Employment is the best solution to the poverty problem
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【单选题】胡某,女,30岁。胸背痛3个月,体温37.4C,夜间盗汗查体:胸顶棘突叩击痛,X线片见胸9、10椎体溶骨性破坏,椎间盘受累,最可能的诊断是
A.
椎体巨细胞瘤
B.
椎体血管瘤
C.
体结核
D.
化脓性脊柱炎
E.
脊柱骨折
【判断题】无线射频识别(RFID)技术中的数据安全和个人隐私问题日益突出,成为了阻碍RFID进一步发展的“瓶颈”。
A.
正确
B.
错误
【单选题】10棘突叩击痛,X 线片见胸9、10椎体溶骨性破坏,椎间盘受累,最可能的诊断是
A.
椎体巨细胞瘤
B.
椎体血管瘤
C.
椎体结核
D.
化脓性脊柱炎
E.
脊柱骨折
【单选题】许先生,30岁,腰痛3个月,低热,疲乏,夜间盗汗,查体:腰1~2棘突叩击痛,X线片可见腰1~2椎体有溶骨性破坏,椎间盘受累,应首先考虑腰1~2椎
A.
骨折
B.
结核
C.
血管瘤
D.
巨细胞瘤
E.
化脓性脊柱炎
【单选题】患者男性,30岁,腰痛3个月,体温37.9℃,疲乏,夜间盗汗。体检:L1、2棘突叩击痛,X线片可见L1、2椎体有溶骨性破坏,椎间盘受累,最可能的诊断是
A.
L1~2椎体巨细胞瘤
B.
L1、2椎体血管瘤
C.
L1、2椎体结核
D.
L1、2化脓性脊髓炎
E.
L1、2脊柱骨折
【单选题】胡某,女,30岁。胸背痛3个月,体温37.4oC,夜间盗汗。查体:胸9、10棘突叩击痛,X线片见胸9、10椎体溶骨性破坏,椎间盘受累,最可能的诊断是
A.
椎体巨细胞瘤
B.
椎体血管瘤
C.
椎体结核
D.
化脓性脊柱炎
E.
脊柱骨折
【单选题】患者男,30岁,发热,乏力,食欲减退,腰部钝痛,且有腰部棘突压痛及叩击痛,腰椎平片示:L3椎体下缘及L4椎体上缘终板骨质模糊不规则,L3~4椎间隙正常,腰大肌增厚,腰部CT示:L3椎体下部及L4椎体上部溶骨性骨质破坏,之中可见散在细小钙化,邻近椎体骨质疏松,L3~4椎间隙正常,L3~4椎旁软组织肿胀。成人的椎体结核和椎体肿瘤在X线片上的主要鉴别点是()
A.
椎体破坏程度
B.
是否有死骨形成
C.
椎旁软组织肿块
D.
椎体骨质疏松程度
E.
椎间隙是否变窄或消失
【单选题】空调控制单元根据哪一个具体信号精确调整空调压缩机的输出
A.
室外温度传感器
B.
蒸发器温度传感器
C.
中央出风口温度传感器
D.
仪表板温度传感器
【单选题】物流企业推销人员运用刺激-反应策略使( )。
A.
使客户开始对服务项目感兴趣
B.
推销员搞清楚了客户的需求
C.
使推销员说服了客户
D.
使客户搞清楚了自己的需求
【单选题】女性,30岁,胸背痛3个月,体温37.4℃,夜间盗汗。查体:胸9、10棘突叩击痛,X线片见胸9、10椎体溶骨性破坏,椎间盘受累,最可能的诊断是
A.
椎体巨细胞瘤
B.
椎体血管瘤
C.
椎体结核
D.
化脓性脊柱炎
E.
脊柱骨折
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