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问题 单项选择题 A1/A2型题

最常见的膀胱恶性肿瘤的病理类型是（）。

A.鳞癌

B.尿路上皮癌

C.黏液腺癌

D.腺癌

E.透明细胞癌

答案

参考答案：B

解析：最常见的膀胱恶性肿瘤的病理类型是尿路上皮癌，占95%以上，且绝大多数是移行细胞 * * 状肿瘤，鳞癌和腺癌各占20A～3%。

单项选择题

下列哪项不是呼吸道解剖特点

A．气管隆突黏膜内有丰富的迷走神经

B．成人喉腔最狭窄处位于声门裂

C．胸骨柄上缘的颈静脉切迹相当于声门和气管隆突之间

D．右支气管与气管所成的夹角大

E．气管的分叉部位于胸骨角平面
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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.

（16）是（）

A.undermined

B.decreased

C.diminished

D.defeated
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