下图甲、乙都是时钟在平面镜中成的像,它们的实际时间是甲: ;乙: 。
3:40,12:05
I would have come earlier, but I ________ that you were waiting for me.
A.hadn’t known
B.didn’t know
C.would have known
D.haven’t know
患者女,63岁。Ⅱ度松动;残根,残根。拟分次拔除患牙,患者血压160/90mmHg,心电图正常。
拔除时最适合采用的麻醉方法是()
A.左侧眶下孔和切牙孔阻滞麻醉
B.唇侧局部浸润麻醉和切牙孔阻滞麻醉
C.唇、腭侧局部浸润麻醉
D.左侧上颌结节和腭大孔阻滞麻醉
E.左侧眶下孔和腭大孔阻滞麻醉