读图，在横线上填出图中字母所表示的地理事物名称：

A、　____ 　；B、　____ 　；C、　____ 　；D、　____ 　．

结合图（如图）文资料，分析回答下列问题．

20世纪60﹣80年代，随着人口急剧增长，土地与资源需求膨胀，巴西政府开始实施大规模的公路建造、农场、牧牛场、伐木、矿产开采计划，加快西部与北部地区广大疆土的开发，实行人口均衡发展政策，并把首都从沿海（M城市）迁往内陆高原上（N城市），1970年，该国政府又正式公布了北部亚马孙河流域大规模开发计划．

    Writing text messages (短信）while walking is dangerous. A study says it is more dangerous than texting while driving. Researchers found that there are more____(injure) to texting pedestrians (行人) than there are to texting motorists. Their report says walking is not as easy____we think. We must focus on many things at the same time to walk safely in a straight line. The researchers said that people forget how to walk____(proper), so dangerous things happen to them. They bump into walls and other people. They walk into cars, fall over things in the street, and even fall into holes____down stairs.

    A professor said walking is a difficult action. There are several reasons ____texting makes walking dangerous.____is that people cannot see the street. Another is that they focus on their phone keyboard instead of their feet. A final reason is that their minds are somewhere else — they are not thinking about____(walk) from A to B safely. The professor said over 6,000 people____(visit) his hospital last year because of texting. He said____worst cases are head damage. When a pedestrian is tossed into the air he/she has nothing____(protect) the head. The damage can be serious.