中老年患者出现肾病综合征时，需要考虑的继发性病因是（） A.糖尿病肾病 B.肾淀粉样

某建筑物采用TN-C-S系统供电，建筑物地下室设有与大地绝缘的防水层。PEN线进户后即分为PE线和N线，并打人工接地极将PE线重复接地，变电所系统接地R_A和建筑物重复接地如阻值分别为4Ω及10Ω。各段线路的电阻值如图1中所示，为简化计算可忽略工频条件下的回路导体电抗和变压器电抗。请回答下列问题：

若建筑物内电气设备发生接地故障，试计算设备外壳的预期接触电压U₁₁应为下列哪项数值（）。

A．97V

B．88V

C．110V

D．64V

男，65岁，陈旧性广泛前壁心肌梗死7年，活动后胸闷、心悸、气短2年，近1周出现夜间阵发性呼吸困难。体检：端坐呼吸，BP160/90mmHg，P120/分。P2亢进，心脏各瓣膜区未闻及杂音。双肺底可闻及细湿啰音，双肺散在哮鸣音。腹平软，肝脾肋下未触及，双下肢无水肿。空腹血糖4.2mmol/L。心电图：V～V导联ST段压低0.05～0.1mV。血清肌钙蛋白正常。

该患者暂不宜立即使用（）

A.西地兰

B.卡维地洛

C.硝普钠

D.硝酸甘油

E.速尿

安全网宽度不得小于3m，长度不得大于6m，网眼直径不得大于( )。

A．7cm
B．8cm
C．9cm
D．10cm

The effect of the baby boom on the schools helped to make possible a shift in thinking about the role of public education in the 1920’s. In the 1920’s, but especially (1) the Depression of the 1930’s, the United States experienced a (2) birth rate. Then with the prosperity (3) on by the Second World War and the economic boom that followed it, young people married and (4) households earlier and began to (5) larger families than had their (6) during the Depression. Birth rates rose to 102 per thousand in 1946, 106.2 in 1950, and 118 in 1955. (7) economics was probably the most important (8) , it is not the only explanation for the baby boom. The increased value placed (9) the idea of the family also helps to (10) this rise in birth rates. The baby boomers began streaming (11) the first grade by the mid-1940’s and became a (12) by 1950. The public school system suddenly found itself (13) The wartime economy meant that few new schools were buih between 1940 and 1945. (14) , large numbers of teachers left their profession during that period for better-paying jobs elsewhere.

(15) , in the 1950’s, the baby boom hit an antiquated and inadequate school system. Consequently, the custodial rhetoric of the 1930’s no longer made (16) ; keeping youths ages sixteen and older out of the labor market by keeping them in school could no longer be a high (17) for an institution unable to find space and staff to teach younger children. With the baby boom, the focus of educators (18) turned toward the lower grades and back to basic academic skills and (19) . The system no longer had much (20) in offering nontraditional, new, and extra services to older youths.

11（）

A.through

B.across

C.into

D.towards

罗格公司2008年年底陷入财务危机，已经拖欠职工工资3个月，共计：300万元。

罗格公司即以较低价格与甲公司签订一份供货合同，收取甲公司预付货款300万元，全数发给职工；另与异地丙公司签订一份200万元的原材料采购合同，约定货到3个月后付款。

2009年1月，罗格公司因不能清偿到期货款被丁商业银行起诉。罗格公司遂向人民法院申请破产清算，人民法院受理了该申请，并指定了管理人。

经查：罗格公司欠丁商业银行到期货款400万元(未设担保)，未到期货款880万元(以罗格公司所有的办公楼及厂房抵押，抵押物市值约为1300万元)，丁商业银行总债权额为1280万元：罗格公司未设抵押的机器设备价值约500万元，库存原材料价值约为100万元，流动资金3万元；应收戊公司货款100万元；欠庚公司运费100万元；欠辛公司原材料款500万元；欠地方税务局税款150万元。2008年6月提前清偿壬公司未到期债务300万元。

根据我国企业破产法，人民法院受理罗格公司破产申请后，甲公司有权（）。

A.向管理人申报债权 

B.参加债权人会议并行使表决权 

C.要求管理人继续履行合同或者提供担保 

D.以欺诈为由起诉罗格公司，要求优先返还付款