题目内容

绒毛膜促性腺激素的分泌量达高峰的时间是

A. 停经11~15天
B. 妊娠8~10周
C. 妊娠16周
D. 妊娠32~34周
E. 临产时

查看答案
更多问题

正常足月妊娠,子宫腔容量平均比未孕时增加

A. 100
B. 300
C. 500
D. 800
E. 1000

What are the letter or letters that can be pronounced as /3:/?

A. e
B. ear
C. er
D. o

What are the letter or letters that can be pronounced as /ə/?

A. a
B. e
C. i
D. o

What’s the feature of pronouncing the central vowels?They are made with the tongue around the ___________ of the mouth. (答案要求为纯小写字母。)

答案查题题库