| Americans’ passion for living large is growing, even
if their incomes aren’t, a Census survey released Thursday
indicates. Since the beginning of the decade, their homes have gotten substantially bigger and more expensive. Almost half of all homes, about 46%, have six or more rooms. More than 15% have eight rooms or more. Almost one in five families have three or more cars. And more workers are opting out of carpools and mass transit to drive to work alone. But this lifestyle comes at a cost when incomes are stagnating and housing prices are soaring. A. A．less than $150,000 B．from $150,000 to $300,000 C．from $300,000 to $499,999 D．more than $500,000 [填空题]We have all seen such films in which robots are superior to man. Compared with those{{U}} (36) {{/U}}machines, man appears both physically and{{U}} (37) {{/U}}weaker.{{U}} (38) {{/U}}by robots, man is no longer the master of the world.{{U}} (39) {{/U}}by the dark future, some people object to the research on{{U}} (40) {{/U}}intellect. But could the{{U}} (41) {{/U}}ever become reality I believe the answer is "no". Robots are not our enemy, but our friend. We have no reason to be afraid of them.
Surely, nowadays,{{U}} (42) {{/U}}robots have replaced men in many aspects. Especially under the working{{U}} (43) {{/U}}too hard or dangerous for human beings, robots perform tasks superbly.
{{U}} (44) {{/U}}.However, it is man who tells them how to apply these. Without program, robots are nothing but a highly complex device.{{U}} (45) {{/U}}. Therefore, no matter how advanced robots may become one day,{{U}} (46) {{/U}}. Then how can a product be the master of its
[判断题]锅壳式锅炉有两种:一是立式锅壳锅炉(锅壳的纵向轴线垂直于地面的锅炉);二是卧式锅壳锅炉(锅壳的纵向轴线平行于地面的锅炉)。( )
A.正确 B.错误 [单选题] 我国被称为“杂交水稻之父”的科学家是( )
A.钱学森 B.袁隆平 C.鲁班 D.邓稼先 [单项选择]单纯性肠梗阻发生后，肠腔内的气体大部分来源于（）
A. 肠道内容物发酵产生 B. 肠道内容物经细菌分解产生 C. 咽下的空气 D. 血液弥散至肠腔内 E. 肠道感染产生 [简答题]在用乙醇沉淀DNA时，为什么要加一定量的NaAc或NaCl
[单选题]依据《石油化工设计防火规范》，闪点>45℃至<60℃为（ ）。
A.甲 A B.甲 B C.乙A D.乙 B [判断题]联结组标号相同、电压比相同（差值不得超过±0.5%）、阻抗电压值偏差小于15%的变压器，可以并列运行
A.正确 B.错误 [填空题]市场调研方法常用的有（）、观察法、（）和问卷调查法等四种。
[多选题]《国务院关于预防煤矿生产安全事故的特别规定》规定：县级以上地方人民政府负责煤矿安全生产监督管理的部门、煤矿安全监察机构在监督检查中，，应当提请有关地方人民政府对该煤矿予以关闭。
A. 1年内3次或者3次以上发现煤矿企业未依照国家有关规定对井下（入坑）作业人员进行安全生产教育和培训的 B.1个月内3次或者3次以上发现煤矿企业未依照国家有关规定对井下（入坑）作业人员进行安全生产教育和培训的 C.1个月内3次或者3次以上发现煤矿企业特种作业人员无证上岗的 D.1年内3次或者3次以上发现煤矿企业特种作业人员无证上岗的 [判断题]船舶进行供受油作业，作业前必须由供受油双方共同签署船岸安全检查表。
[判断题]进出站的铁路箱使用“铁路箱出站单”管理，保管期限为半年。
A.正确 B.错误 [判断题]公司未依法为员工缴纳社会保险费的,员工可以与公司解除劳动合同。( )
A.正确 B.错误 [简答题]
Love means growth for both myself and the person I love. If I love you, I am growing as a result of my love. You are a stimulant for me to become more fully what I might become, and my loving enhances your being as well. {{U}}We each grow as a result of caring and being cared for; we each share in an enriching experience that doesn’t detract from our being. Love means making a commitment to the person I love. This commitment doesn’t entail surrendering our total selves to each other; nor does it imply that the relationship is necessarily permanent. It does entail a willingness to stay with each other in times of pain, uncertainty, struggle, and despair, as well as in times of calm and enjoyment. Love means trusting the person I love. If I love you, I trust that you will accept my caring and my love and that you won’t deliberately hurt me; I trust that you will find me lovable and that you won’t abandon me; 1 trust the reciprocal nature of our love. If we trust each other, we are [单选题]LC串联谐振回路发生谐振时，回路电抗为零，回路总阻抗为最小值，回路电流达到（）。
A.最大值 B.最小值 C.零 D.不能确定 我来回答: 提交
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