风流的全压、静压、动压的正确关系是()。
A.压入式通风时,
B.压入式通风时,
C.抽出式通风时,
D.抽出式通风时,
参考答案:A, C
女,65岁,右面部发作性疼痛2年,诊断为原发性三叉神经痛。治疗先用()。
A.卡马西平
B.周围支神经纯乙醇封闭
C.三叉神经节射频热凝
D.周围支神经切断术
E.三叉神经感觉根切断术
Last week, only two people came to look at the house, _______wanted to buy it. [ ]
A. none of them
B. both of them
C. none of whom
D. neither of whom