| At the beginning of the twentieth
century, North American society held, as an ideal, the Nuclear Family. This
presumably perfect residential, social, and economic unit consisted of an adult
male, an adult female and their minor children. This structure was thought to be
stable and long lasting. However, a few decades later, the structure of that ideal family was being altered radically even while it was being touted as the structure to be aimed for. Popular magazines bemoaned the loss of the Nuclear Family and its replacement with inferior forms. There are a number of factors that are acting in concert to apply pressure on the Nuclear Family and generate a variety of new structures. Some of these are: The definition of marriage has changed somewhat in that few people now consider it to last "until death do us part." The concept of mo A. until death B. to the particular person until death C. to one person at a time D. until one leaves [判断题] 在NP结处发生多数载流子扩散运行,少数载流子漂移运动,结果形成了空间电荷区。
A.正确 B.错误 [单项选择]It is implied in the last paragraph that, in approaching socio-cultural content in a dictionary, special thought should be given to ______.
A. the language levels of its users B. the number of its prospective purchasers C. the different tastes of its users D. the various cultural backgrounds of its users [单项选择]P型半导体是在本征半导体中加入微量的（）元素构成的。
A. 三价 B. 四价 C. 五价 D. 六价 [多项选择]绿化面积指标的确定取决于( )。
A. 立地条件所容许的最大绿化量 B. 水土保持需求的绿化量 C. 建设项目破坏的植被量和相应补偿的植被面积 D. 建设项目自身绿化美化需求和城市规划应达到的绿化指标 [判断题]大风天气巡线，应沿线路下风侧前进，以免触及断落的导线。
A.正确 B.错误 [单选题] 溺水死亡大多是( )发生,由于水灌入呼吸道内引起窒息,即刻致死。
A.迅速 B.缓慢 C.逐步 D.延迟 [单项选择]验收测试的定义是（）。
A. 由用户按照用户手册对软件进行测试以决定是否接收 B. 由某个测试机构代表用户按照需求说明书和用户手册对软件进行测试以决定是否接收 C. 按照软件任务书或合同，供需双方约定的验收依据进行测试，决定是否接收 D. 由开发方和用户按照用户手册执行软件验收 [判断题]设备停电作业工作票发出前,运行人员必须发手触试停电设备,以向检修人员证明设备以停电。( )
A.正确 B.错误 [单项选择]输血出现循环超负荷时，下列处理措施中不正确的是（）。
A. 立即停止输血 B. 半卧位，面罩吸氧 C. 平卧位，头偏侧，以防止血性泡沫痰误吸 D. 使用强心剂、利尿剂 E. 四肢轮流扎止血带，减少回心血量 [多选题]对氯气进行稀释,不宜采用( )。
A.水雾 B.惰性气体 C.水幕 D.直流水 我来回答: 提交
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