当今世界各国之间的联系日益密切，相互依存的趋势越来越强，国际社会已经成为一个不可分割

下列家用电器中，功率最接近1KW的是 [ ]

A.

B.

C.

D.

原核生物中参与DNA损伤修复的酶是（）

A．DNA聚合酶Ⅲ

B．DNA聚合酶Ⅰ

C．DNA聚合酶Ⅱ

D．引物酶

急性重度一氧化碳中毒最主要的死因是（）

A.高热

B.抽搐

C.呼吸循环衰竭

D.吸入性肺炎

E.脑灶性损害

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.

10（）

A.appointed

B.assigned

C.preserved

D.preferred

物料准备是指安装资料的准备，包括（）和质量验评标准及有关材料手册等。

A、施工图

B、常用标准图

C、自控安装图册

D、《自动化仪表工程施工及验收规范》