银行面临的信用风险存在于（）中。I.贷款业务 II.债券投资业务III.票据买卖业务IV.承兑业务

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30068' and id < 2434590 and id<>'2434590' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30068' and id > 2434590 and id<>'2434590' order by id asc limit 5