Do you know the girl ____________ brown hair? [ ]
A. have
B. has
C. with
答案：C
受精卵开始着床在受精后
A．Chadwick征B．蒙氏结节C．HegarsignD．Braxton Hicks收缩E．乳腺增生
慢性肺心病缓解期临床表现可有（）
A.呼吸衰竭表现
B.肺动脉高压表现
C.右心衰竭表现
D.右心室肥厚
E.慢性阻塞性肺部疾病
