孕妇开始自觉胎动的时间是（）
A.妊娠12～16周
B.妊娠18～20周
C.妊娠22～24周
D.妊娠25～26周
E.妊娠27周以后
参考答案：B
The _____ look on his face suggested that it was he who had broken into the house. [ ]
A. fright
B. frightened
C. frighten
D. frightening
患者，女性，28岁，外阴瘙痒伴尿频、尿痛就诊。妇科检查： * * 黏膜红肿，可见白色豆渣样分泌物少许。
为进一步确诊，首选的检查是
A．尿常规
B． * * 镜
C．血常规
D．分泌物滴虫检查
E．分泌物真菌检查
