A. 尿道 B. 附睾 C. 输精管 D. 射精管
A. 成对,位于小骨盆侧壁的卵巢窝内 B. 不仅是生殖器官,而且是外分泌腺之一 C. 外分泌部分泌雌激素 D. 随着年龄增大而体积增大
A. 对 B. 错
A. Fixing his iPod earphones. B. Preparing for tomorrow's exam. C. Listening to some loud music. D. Complaining to the woman.