感冒初期的鼻炎属()
A.化脓性卡他
B.疏松结缔组织的浆液性炎
C.浆液性卡他
D.黏液性卡他
参考答案:C
自体骨移植最常取自髂骨,其优点是什么?
Our school is ____ the park. [ ]
A. in
B. of
C. near