下列繁殖方法中,()的繁殖系数最大。
A、扦插
B、分株
C、压条
D、空中压条
参考答案:A
--Would you like some tea?
--Yes, please. By the way, do you have any milk? I prefer tea_______ milk.
A.from
B.with
C.to
D.for
长期放置IUD异常出血的处理错误的是:()
A.超声检查有无IUD下移
B.超声检查有无IUD嵌顿
C.妇科查体有无盆腔炎
D.立即取出节育器