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问题 选择题

下列现象中质量发生变化的是（　　）

A．把菜刀表面磨光

B．机器从北京运到广州

C．铁水凝固成铁块

D．将铁丝通过拉伸机拉长

答案

A、把菜刀表面磨光．所含有的铁物质在减小，质量也会变小．符合题意．

B、机器从北京运到广州．物体的位置发生了变化，但质量不变．不合题意．

C、铁水凝固成铁块．物体的状态发生了变化，但质量不变．不合题意．

D、铁丝通过拉伸机拉长．物体的形状发生了变化，但质量不变．不合题意．

故选A．

单项选择题

隐匿或故意销毁依法应当保存的会计凭证、会计账簿、财务会计报告，情节严重的，处五年以下有期徒刑或拘役，并处或单处( )罚金。

A．2万元以上10万元以下

B．2万元以上20万元以下

C．5万元以上10万元以下

D．5万元以上20万元以下
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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.

1（）

A.about

B.after

C.for

D.over
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