关于口腔流行病学的现况调查，恰当的描述是
患者在拔8后出现疼痛开口困难。检查左颧弓上及颊部肿胀、充血。左上颌结节及翼下颌皱襞红肿压痛。左下颌角内侧红肿压痛。体温39℃，白细胞计数16×109/L，诊断可能是
走行通过腹股沟管的结构是()。
肩关节外展困难可能损伤的神经是()。
I hesitated for a long time, and in the end I decided to _________ the job.
When I am confronted with such questions, my mind goes __, and I can hardly remember myown date of birth.
地役权属于()。
The ukulele is a ________ instru ment, which resembles a guitar.
乘人之危所订立的买卖合同()。
社会主义建设的根本保证是（）
_ is known to the world, Mark Twain was a great American writer.