A.腦脊液可經(jīng)鼻咽部漏入鼻咽 B.腦脊液可經(jīng)中耳經(jīng)咽鼓管至鼻腔 C.腦脊液可經(jīng)額竇進(jìn)入鼻腔 D.腦脊液可經(jīng)篩竇進(jìn)入鼻腔 E.腦脊液可經(jīng)上頜竇進(jìn)入鼻腔
A.出發(fā)點(diǎn)B.維持點(diǎn)C.立足點(diǎn)D.基礎(chǔ)點(diǎn)
A.推動(dòng)B.發(fā)展C.支撐D.競爭