搜题请搜索小程序“爱下问搜题”
问题 填空题

如图，△ABC中，∠C=90°，∠BAC的平分线交BC于点D，若CD=4，则点D到AB的距离是______．

答案

如图，过点D作DE⊥AB于点E，

∵AD是∠BAC的平分线，

∴DE=CD，

∵CD=4，

∴DE=4．

故答案为：4．

填空题
用所给词的适当形式填空。
Salt,      used to,     tradition,      no more,      danger
1. The traffic here is very     ___   for children.
2. I didn’t    ___    like him much when we were at school.
3. The water became very    ____    in the Aral Sea.
4. There are      ___  fish in the river.
5. London is     ___   than Los Angeles.
查看答案
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)________.
查看答案