婴幼儿上颌骨骨髓炎的感染途径主要是()
A.血源性感染
B.外伤性感染
C.牙源性感染
D.腺源性感染
E.接触性感染
参考答案:A, B, E
I’ll talk about a newly-opened market ______ you may get all _______ you need.
A.in which; which
B.where; that
C.where; what
D.which; that
寒滞肝脉证的临床特征是()
A.头晕目眩,胸胁胀闷
B.少腹冷痛,睾丸坠胀
C.阴囊湿疹,外阴瘙痒
D.胁肋冷痛,得温则减
E.形寒肢冷,舌淡脉弦