题目内容
关于血小板，正确的是（ ）
2021-10-17
A.在骨髄中形成
B.无核
C.可促进血液凝固
D.平均寿命为2~3天
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25934' and id < 2179377 and id<>'2179377' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25934' and id > 2179377 and id<>'2179377' order by id asc limit 5