面颊部有短暂的反复发作的剧痛,检查时除"触发点"外无阳性体征,常见于()
A.特发性面神经麻痹
B.三叉神经痛
C.症状性癫痫
D.面肌抽搐
E.典型偏头痛
参考答案:B
He looks forwards every afternoon to _____ the flower-lined garden.
A.visit
B.paying a visit
C.walk in
D.walking in
一只普通日光灯正常工作时,通过它的电流约为:( )
A.2A
B.200mA
C.20 mA
D.2mA