用于分析HBV核酸的血浆抗凝剂为().
A.FnTA-K2
B.肝素
C.草酸钠
D.SPS
E.ACD
参考答案:A
_______ makes the school famous is_______more than 90% of the students have been admitted to universities.
A.What;because
B.That;because
C.That;what
D.What;that
关于功能性子宫出血,错误的是()
A.常表现为月经周期正常,月经量过多,经期缩短
B.是由于调节生殖的神经内分泌功能失常引起的异常子宫出血,内外生殖器无器质性病变
C.卵巢功能性肿瘤所致的不规则 * * 出血
D.无排卵性功血多见于生育期妇女
E.无排卵性功血可以使子宫内膜不规则脱落