属于雌孕激素协同作用的是
A．子宫收缩
B． * * 的发育
C．输卵管蠕动
D．宫颈黏液的变化
E． * * 上皮角化现象的变化
参考答案：B
根据情景会话排序，并把标号写在横线上。
A. Let's go on a trip tomorrow.
B. Hi, Li Ming.
C. Where are you going?
D. OK, let's go.
E. Beijing is so great.
F. I am going to go to Beijing.
G. How much is a ticket?
H. When does a train leave?
I. Hi, Mum.
J. It's about sixty yuan.
K. It leaves at ten in the morning.
正确的顺序：
单克隆丙种球蛋白鉴定（）.
A.单向免疫扩散
B.双向免疫扩散
C.免疫电泳
D.免疫比浊法
E.免疫荧光法
