下列现象,属于人类特有的神经调节方式的是 [ ]
A.婴儿吸吮动作
B.看见酸梅,分泌唾液
C.看见酸梅两字,分泌唾液
D.强光刺激,立即闭眼
答案:C
慢性骨髓炎,死骨形成,出现红、肿、热,应采用()
A.死骨摘除术
B.切开引流术
C.骨钻孔引流术
D.开窗引流术
E.窦道切除术
Parks are _____ of the few places where people in cities may have sports.
A.one
B.first
C.none
D.those