题目内容
消极优生措施的是
2021-09-18
A.避免近亲结婚
B.人工授精
C.试管婴儿
D.重组DNA
E.克隆技术
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='23750' and id < 2063427 and id<>'2063427' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23750' and id > 2063427 and id<>'2063427' order by id asc limit 5