商业助学贷款采取保证担保方式的，贷款银行在贷前调查中应（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26780' and id < 2227971 and id<>'2227971' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26780' and id > 2227971 and id<>'2227971' order by id asc limit 5