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问题 计算题

如图所示，轿车从某地往南宁方向匀速行驶．当到达A地时，车内的钟表显示为10时15分；到达B地时，钟表显示为10时45分．求：

（1）轿车从A地到B地用多少小时？

（2）轿车从A地到B地的速度．

答案

解：（1）轿车从A地到B地所用时间：t=30min=0.5h；

（2）轿车从A地到B地的路程：s=120km﹣70km=50km，轿车从A地到B地的速度：

v===100km/h

选择题

下图著作者提出的思想是

[ ]

A．师夷长技以制夷

B．物竞天择，适者生存

C．教学做合一

D．不怀疑不能见真理
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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 countries that have offered aid must (3) and provide it. The offers add up to around (4) dollars. United 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 Barn, 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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