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问题 填空题

81007640是______位数，最高位是______位，这个数读作：______．

答案

81007640是 8位数，最高位是 千万位，这个数读作：八千一百万零七千六百四十．

故答案为：8，千万，八千一百万零七千六百四十．

填空题

Kofi Annan says helping survivors of last week’ s earthquake and (1) . in the Indian Ocean is (2) . The United Nations secretary-general says countnes that have offered aid must (3) and provide it. The offers add up to around (4) dollars. Unitd Nations officials say (5) of that is needed during the next six months.
The concern about offers of international aid is (6) . For example, the earthquake in Bam, Iran, in (7) of 2003 killed more than (8) people. Countries and groups offered hundreds of millions of dollars (9) . The United Nations says it has (10) only about (11) dollars in aid received so far. Governments and organizations that offered help (12) that, however.
On (13) Mr. Annan met with world leaders in Jakarta, Indonesia to discuss aid for (14) . The leaders discussed and (15) the idea of (16) owed by affected nations. But the leaders did not say they would do so. Some said that (17) to survivors would be more helpful.
Representatives of (18) countries and international organizations attended the meeting in Jakarta. Officials say they will cooperate to develop (19) for the Indian Ocean and the (20) .
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综合

读材料和图，完成下列各题。

材料 下图区域曾经是中国文明的中心地之一，由于快速增长的人口，对土地资源造成了巨大压力。由于缺少其他经济来源，为了生存只得向陡坡地、林地、草地要粮，造成一定时期内生态、经济的恶性循环。

（1）图中沙障（K处）保护的铁路线是___              ____铁路，阻隔的沙漠名称是___            ____ 。（4分）

（2）Q山脉是____             ，在古代称之为“朔方之保障，沙漠之咽喉”，原因是什么？（6分）

（3）P山脉是重要的地理分界线，其名称是________，下图景观常在该山以_______（填南或北）欣赏到。（4分）

（4）该地区具有全国意义的自然资源是___________。分析在开采该资源过程中，可能导致的环境问题。（10分）

（5）结合所学地理知识，比较图中M、N两河段水文特征的差异。（6分）

（6）从环境保护的角度分析，该地区在国土整治中应该做的三项工作是什么？（6分）
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