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问题 单项选择题

你目睹了一位45岁男性倒下。你让人呼叫120后，为他进行心肺复苏。你尽力确保了他生存下来的前两个重要环节已立即完成，第三个环节和提高此人生存机会最有效的是

A．医护人员到达，他们会给予药物

B．送此人去医院

C．带有除颤器的救护人员到达

D．急救人员到达，他们会进行心肺复苏

E．及时建立静脉通路

答案

参考答案：C

单项选择题

In the United States, older people rarely live with their adult children. But in many other cultures children are expected to care (1) their aged parents. In some parts of Italy, the percentage of adult children who (2) with their parents (3) 65 to 70 percent. In Thailand, too, children are expected to take care of their elderly parents; few Thai elderly live (4) . What explains these differences in living arrangements (5) cultures Modernization theory (6) the extended family household to low levels of economic development. In traditional societies, the elderly live with their children in large extended family units for economic reasons. But with modernization, children move to urban areas, leaving old people (7) in (8) rural areas. Yet modernization theory cannot explain why extended family households were never common in the United States or England, or why families in Italy, which is fully modernized, (9) a p tradition of intergenerational living. Clearly, economic development alone cannot explain (10) living arrangements. Another theory associated intergenerational living arrangements with inheritance patterns. In some cultures, the stem family pattern of inheritance (11) . (12) this system, parents live with a married child, usually the oldest son, who then (13) their property when they die. The stem family system was once common in Japan, but changes in inheritance laws, (14) broader social changes brought (15) by industrialization and urbanization, have (16) the (17) .In 1960 about 80 percent of Japanese over 65 lived with their children; by 1990 only 60 percent did-a figure that is still high (18) U.S. standards, but which has been (19) steadily. In Korea, too, traditional living arrangements are (20) : the percentage of aged Koreans who live with a son declined from 77 percent in 1984 to 50 percent just 10 years later. Although most elderly Koreans still expect to live with a son, their adult children do not expect to live with their children when they grow old.

7（）

A.aside

B.after

C.over

D.behind
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单项选择题

射孔取心施工时，井场内应有稳定的220V交流电，其功率必须大于（）。

A、12kW

B、24kW

C、36kW

D、48kW
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