问题 综合

读图,完成问题。

中国水资源丰缺地域差异略图

(1)我国水资源的空间分布规律是___________________。

(2)形成缺水带和少水带最主要的自然原因是_____________________________。

(3)多水带地区也时常受到水资源紧张困扰,最主要的原因是_____________________。

(4)我国经济受水资源限制明显的地区分布在_________带,原因是_________________________。

答案

(1)南多北少,东多西少

(2)属于干旱、半干旱地区

(3)水污染严重

(4)过渡 人口多,工农业发达,用水量大

我国水资源的空间分布规律和我国降水量的分布规律一致。由于我国是季风气候,深受来自太平洋的东南季风的影响,位于非季风区的西北内陆地区降水稀少,属于干旱、半干旱地区,形成缺水带和少水带;多水带缺水主要是人为污染所导致的;我国水资源过渡带,人口众多,工农业比较发达,需水量大,而水资源供给不足。

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.

18()

A.by

B.on

C.with

D.in

单项选择题