属于常染色体隐性遗传的是()
A.21-三体综合征
B.苯丙酮尿症
C.糖尿病
D.先天性肾上腺皮质增生症
E.糖原累积病
参考答案:B, D, E
Is it in this room in _____ the great writer once lived ____ he finished his last works?
A.which; that
B.that, where
C.that; which
D.where; that
关于Na2S的功用,不正确的是()。
A、可作抑制剂
B、可作活化剂
C、可作絮凝剂
D、可作分散剂
E、可作脱药剂