体外受精常用的采卵方法有:
①用促性腺素处理后,从输卵管冲取卵子 ②化学诱导法 ③电刺激法 ④从活体动物卵巢吸取卵母细胞 [ ]
A.①②
B.②③
C.③④
D.①④
答案:D
I don't know the result _____, but _____, I don't think our team won an advantage over theirs in
yesterday competition. [ ]
A. for sure, honestly speaking
B. of sure, to be honest with you
C. for certain, honestly spoken
D. certainly, to be honest to you
关于盆腔炎的传染途径,下列哪项是正确的
A.产褥及流产后感染主要是血行性播散
B.结核性盆腔炎主要是沿粘膜上行性感染
C.沙眼衣原体是沿生殖器粘膜上行蔓延
D.阑尾炎等消化道炎症可通过淋巴系统蔓延到内生殖器
E.淋球菌是通过性接触后先入侵泌尿系统后再蔓延到生殖道