流感嗜血杆菌生长时需要“Ⅹ”因子，是因为它在合成下列哪种酶时需要

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24320' and id < 2098947 and id<>'2098947' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24320' and id > 2098947 and id<>'2098947' order by id asc limit 5