题目内容
下列为A型的亚型，其抗原性较强的是( )
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SQL Error: select id,body,options from ***_enewstiku where sourceid='24752' and id < 2119500 and id<>'2119500' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24752' and id > 2119500 and id<>'2119500' order by id asc limit 5