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问题 选择题

下列关于我国地理位置和疆域的叙述，正确的是（　　）

A．我国位于东半球，亚洲东部，东临大西洋

B．我国领土广大，南北之间跨越热带、北温带、北寒带

C．我国领土最北端在漠河，最南端在曾母暗沙

D．我国陆上国界线长约18000千米，大陆海岸线长约20000多千米

答案

A、我国位于东半球，亚洲东部，东临太平洋．故不符合题意．

B、我国领土广大，南北之间跨越热带、北温带、没有寒带．故不符合题意．

C、我国领土最北端在漠河，最南端在曾母暗沙．故符合题意．

D、我国陆上国界线长约20000千米，大陆海岸线长约18000多千米．故不符合题意．

故选：C．

单项选择题

有抗震设防的框架-剪力墙结构计算所得框架各层剪力Vf应按下列方法调整：
(1)Vf≥0.2V0的楼层不必调整，Vf可按计算值采用；
(2)Vf＜0.2V0的楼层，设计时Vf取1.5Vmaxf和0.2V0的较小值，V0为底部总剪力。
做上述调整的是属于下列______类框架-剪力墙结构

A．规则的框架-剪力墙结构
B．平面、立面不论规则与否的框架-剪力墙结构
C．平面规则立面变化较大的框架-剪力墙结构
D．平面很不规则立面也不规则的框架-剪力墙结构。
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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 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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