The teacher said the earth ________ around the sun. [ ]
A. go
B. goes
C. went
D. going
答案:B
翼腭窝内侧()
A.直接与颞下窝相连
B.经翼腭管孔与口腔相通
C.经蝶腭管孔与鼻腔相通
D.从外向内分别为圆孔、翼管和咽管部,分别与中颅窝、破裂孔和咽腭部相连
E.经眶下裂通向眶尖
心力衰竭的X线表现有哪些?