The horse and carriage is a thing of the past, but love and marriage are still with us and still closely interrelated. Most American marriages, particularly first marriages (21) young couples, are the result of (22) attraction and affection (23) than practical considerations.
In the United States parents do not arrange marriages for their children. Teenagers begin (24) in high school and usually find mates through their own academic and social (25) . Though young people feel (26) to choose their friends from (27) groups, most choose a mate of similar background, This is (28) in part to parental guidance. Parents cannot select spouses for their children, but they can usually (29) choices by (30) disapproval of someone they consider unsuitable.
(31) , marriages between members of different groups (interclass, interfaith, and inter racial marriages) are increasing, probably because of the gr
A. refering
B. showing
C. taking
D. working
| People in the United States in the
nineteenth century were {{U}} (21) {{/U}} by the {{U}} (22) {{/U}}
that unprecedented change in the nation’s economy would bring social
{{U}} (23) {{/U}} . In the years following 1820, after several decades of
relative stability, the economy {{U}} (24) {{/U}} a period of
{{U}} (25) {{/U}} and extremely rapid growth that continued to the end of
the nineteenth century. {{U}} (26) {{/U}} that growth was a structural
change that {{U}} (27) {{/U}} by increasing economic diversification and
a gradual shift in the nation’s labor force from agriculture to manufacturing
and other nonagricultural pursuits. Although the birth rate continued to decline from its high level of the eighteenth and early nineteenth centuries, the population roughly doubled every generation during the rest of the nineteenth century. A. confusion B. chaos C. disorder D. muddle [单项选择]男性，35岁。反复发作右肾绞痛，B超检查发现右上段输尿管结石影0.6cm，IVU可见右肾轻度积水，上段输尿管轻度扩张。该患者下列哪一项治疗是不正确的。（）
A. 输尿管镜下取石 B. 体外震波碎石 C. 中药排石治疗 D. 经皮肾镜取石 E. 大量饮水，促进结石排出 [多选题]从资本主义向社会主义过渡是一个长期的历史过程，这是因为（ ）。
A.任何社会形态从产生到衰亡都要经过相当长的时间跨度 B.资本主义发展不平衡性决定了过渡的长期性 C.当代资本主义的发展还显示出生产关系对生产力容纳的空间 D.社会主义发展阶段是漫长曲折的 [单项选择]癌的概念是来自
A. 肌肉组织的恶性肿瘤 B. 上皮组织的恶性肿瘤 C. 神经组织的肿瘤 D. 结缔组织的肿瘤 E. 间叶组织的恶性肿瘤 [单项选择]运算结果不是2010的表达式是( )。
A. int(2010.9) B. round(2010.1，0) C. ceiling(2010.1) D. floor(2010.9) [单项选择]小叶性肺炎
A. 肺实变体征 B. 湿性哕音 C. 反复咳血 D. 桶状胸 E. 肺褐色硬变 [判断题]《空调列车服务质量规范》锐器、易碎品、杆状物品及重物等放在席（铺）位下面。
A.正确 B.错误 [单项选择]关于原发性癫痫，哪项不正确
A. 有家族遗传倾向 B. 同一家系可有不同发作类型的癫痫 C. 抗癫癎药物治疗反应相对较好 D. 智力可以不受影响 E. 脑电图常表现为背景活动异常 [单选题] 连杆弯曲使柴油机的( )。
A.活塞行程变短 B.活塞行程变长 C.压缩比变大 D.压缩比变小 [判断题]七氟丙烷灭火系统适用于扑救可熔固体火灾。（ ）
A.正确 B.错误 [多选题]安装单位应当建立下列那些建筑起重机械安装、拆卸工程档案：（ ）。
A.安装、拆卸合同及安全协议书 B.安装、拆卸工程专项施工方案 C.安全施工技术交底的有关资料 D.安装工程验收资料 E.安装、拆卸工程生产安全事故应急救援预案 [填空题]
Fire Instruction
The person discovering a fire will: 我来回答: 提交
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