题目内容
产前通过下列哪种检查可筛查Down综合征胎儿
2021-09-28
A.甲胎蛋白
B.雌三醇
C.过氧化氢酶
D.酪氨酸酶
E.绒毛膜促性腺激素
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='24545' and id < 2107698 and id<>'2107698' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24545' and id > 2107698 and id<>'2107698' order by id asc limit 5