客货运站
温度不变时，气体的体积（V）与压强（P）的关系是（） ["V1<\/sub>\/V2<\/sub>=P2<\/sub>\/P1<\/sub>","V1<\/sub>\/V2<\/sub>=P1<\/sub>\/P2<\/sub>","V1<\/sub>=K·V2<\/sub>P1<\/sub>\/P1、2<\/sub>","V1<\/sub>=K·V2<\/sub>P\/P1<\/sub>","V1<\/sub>·V2<\/sub>=P1<\/sub>.P2<\/sub>"]
X线片上密度最高的组织是（） ["釉质","牙本质","牙骨质","牙髓","牙槽骨"]
拔牙后易引起感染的是（） ["血友病","高血压","糖尿病","心绞痛","肝炎"]
以轻宣凉燥、理肺化痰为主要功用的方剂是（）。 ["香苏散","桑杏汤","杏苏散","清燥救肺汤","百合固金汤"]
人口规律
