中国造纸术传入印度是在()
A、东汉时期
B、三国两晋时期
C、南北朝时期
D、唐朝时期
参考答案:D
China. one of the largest countries in the world. which used to _____ resources is facing the
problem of the resource shortage. [ ]
A. lack of
B. be abundant in
C. be covered with
D. being full of
鼻源性头痛的敏感部位依次为()
A.上颌窦自然孔和鼻额管的粘膜,鼻顶和鼻甲,鼻中隔和鼻窦粘膜
B.鼻顶和鼻甲,上颌窦自然孔和鼻额管的粘膜,鼻中隔和鼻窦粘膜
C.上颌窦自然孔和鼻额管的粘膜,鼻中隔和鼻窦粘膜,鼻顶和鼻甲
D.鼻顶和鼻甲,鼻中隔和鼻窦粘膜,上颌窦自然孔和鼻额管的粘膜
E.以上都不对