妊娠24周末：
A．Chadwick征B．蒙氏结节C．HegarsignD．Braxton Hicks收缩E．乳腺增生
参考答案：C
______your judgement, we should have a good summer.[ ]
A. By
B. With
C. On
D. From
风力发电机偏航系统的功能是什么？
