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问题 单项选择题

麦老先生，65岁，因心功能不全收入院，出现心音强弱不等，心律不规则，心率快慢不一，脉搏细数。同时测心率、脉率，发现心率120次/分，脉率114次/分。此病人目前可能为

A．心室早搏
B．间歇脉
C．三联律
D．脉短绌
E．二联律

答案

参考答案：D

单项选择题

使用面弓的目的是( )。

A．固定和转移上颌牙托到合架上
B．将下颌对上颌的关系转移到架上
C．将髁道斜度转移到合架上
D．记录上下合托的关系
E．转移上颌对颞下颌关系的三维位置关系
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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）是（）

A.aside

B.after

C.over

D.behind
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