早期妊娠期一侧卵巢小于4cm直径的囊肿多是
A．皮样囊肿B．黄素囊肿C．卵巢冠囊肿D．黄体囊肿E．卵巢囊腺瘤
参考答案：D
Jenny nearly missed the flight＿＿doing too much shopping.
A．as a result of
B．on top of
C．in front of
D．in need of
防喷器通径共有（）
A、5种
B、7种
C、9种
D、11种
