BFN1型负荷开关具有()特点。
A、结构紧凑
B、设计合理
C、联锁可靠
D、绝缘水平高
参考答案:A, B, C, D
I always drink _______ before I go to bed at night.[ ]
A. two glass of water
B. two glasses of water
C. two glass of waters
D. two glasses water
患者因视力障碍、内分泌紊乱就诊,头颅MRI发现垂体肿瘤。病变压迫视交叉中部,最可能的视野缺损是()
A.同向偏盲
B.象限盲
C.两眼颡侧偏盲
D.周边视野缺损