根据推理的思维进程方向的不同，把推理分为（） A.因果推理 B.演绎推理 C

试述Ⅰ型超敏反应的原理、特点及其常见疾病。

把下列词语补充完整。

群芳(     )(     )    (     )紫(     )红    落英(     )(     ) 

郁郁(     )( )    喷(     )欲(     )     旭日(     )(     ) 

夕阳( )(     )    (     )月当(     )     崇(     )峻(     ) 

悬(     )峭(     )    层( )叠(     )     苍翠(     )(     )

秤台的安装高度低于引导高度，则载重车辆上衡时主要会对衡器产生（）冲击力。

自动开关能自动切断（）、严重过载、电压过低等故障电路，有效地保护接在它后面的电气设备。

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)________.