关于人类遗传病监测和预防，不正确的措施是（）
A.禁止近亲结婚
B.广泛开展遗传咨询
C.提高产前诊断的覆盖面
D.禁止有遗传病家族史的人结婚
参考答案：D
–Did you visit the 23rd National Books Expo last month?
–Yes, it was really ______. We saw many famous people, like Mo Yan, Ni Ping and Yu Dan.
A．excited
B．exciting
C．bored
D．boring
在全焦冶炼时，原料条件、风温、焦比等不变时，一定的风量相应有一定的料速，料速过快过慢都是炉况变化的征兆。
