问题 综合

下图是“我国东北满洲里(49.5°,117.5°E)—绥芬河(44.5°,131°E)”一线的地形剖面图,读图完成下列问题。

(1)这条剖面线的走向是________。

(2)填出地形区名称:C________,D________。

(3)A、B、C、D四地自然景观有明显差异,这种地域分异规律以________为基础。

(4)A地草原区常可以看见斑点状的土地荒漠化现象,其原因是________________。

答案

(1)西北—东南

(2)东北平原 长白山

(3)水分

(4)过度放牧

第(1)题,考查对经纬度知识的应用能力。根据题目所给的地理坐标可在草纸上画出简单经纬网图,一目了然。第(2)题,考查了对东北地区地形的熟悉程度,三面环山,中部是广阔的平原。第(3)题,根据上题中确定走向,可断定D—C—B—A是由沿海向内陆递变,属于经度地带性分布规律,主要是由水分差异决定的。第(4)题,斑点状的荒漠化圈在我国主要分布在内蒙古草原东部,水井的周围,因牲畜较多过牧造成的一种荒漠化现象。

单项选择题 A1型题
单项选择题

Who won the World Cup 1994 football game What happened at the United Nations How did the critics like the new play (1) an event takes place, newspapers are on the streets (2) the details. Wherever anything happens in the world, reporters are on the spot to (3) the news.
Newspapers have one basic (4) , to get the news as quickly as possible from its source, from those who make it to those who want to (5) it.
Radio, telegraph, television, and (6) inventions brought competition for newspaper. So did the development of magazines and other means of communication. (7) , this competition merely spurred the newspapers on. They quickly made use of the newer and faster means of communication to improve the (8) and thus the efficiency of their own operations. Today more newspapers are (9) and read than ever before. Competition also led newspapers to branch out into many other fields. Besides keeping readers (10) of the latest news, today’s newspapers (11) and influence readers about politics and other important and serious matters. Newspapers influence readers’ economic choices (12) advertising. Most newspapers depend on advertising for very (13) .
Newspapers are sold at a price that (14) even a small fraction of the cost of production. The main (15) of income for most newspapers is commercial advertising. The (16) in selling advertising depends on a newspaper’s value to advertisers. This (17) in terms of circulation. How many people read the newspaper
Circulation depends (18) on the work of the circulation department and on the services or entertainment (19) in a newspaper’s pages. But for the most part, circulation depends on a newspaper’s value to readers as a source of information (20) the community, city, county, state, nation, and world—and even outer space.

[A] on [B] through[C] with [D] of