ZD6系列电动转辙机锁闭齿轮圆弧与动作齿条削尖齿圆弧应吻合，无明显磨耗，接触面不大于50％。（）
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患者，女性，50岁，因脑外伤，需在全麻下行开颅探查术。患者手术后，护士为其准备的床位是（）。
A. 暂空床，橡胶单、中单上缘距床头30～40cm
B. 麻醉床，根据病情铺橡胶单及中单，中单应遮住橡皮单
C. 备用床，床中部和床上部各加一橡胶中单、中单
D. 暂空床，床中部和床尾部各加一橡胶中单、中单
E. 麻醉床，被扇形折叠置于床的一侧，开口向里
新生儿出生1分钟时心率92次/分，无呼吸，四肢稍屈，吸痰时喉部有轻度反射，全身青紫，Apgar平分为()
A. 1分
B. 2分
C. 3分
D. 4分
E. 5分
患者，女，49岁，症见胸胁胀痛，喜叹息，性情急噪，胸闷，舌质淡红苔薄白，脉弦。用药宜首选（）
A. 活血化瘀药
B. 补血养阴药
C. 疏肝理气药
D. 理肝和胃药
E. 利水渗湿药
When verifying the OSPF link state database, which type of LSAs should you expect to see within the different OS PF area types?（）
All OSPF routers in stubby areas can have type 3 LSAs in their database.
B. All OSPF routers in stubby areas can have type 7 LSAs in their database.
C. All OSPF routers in totally stubby areas can have type 3 LSAs in their database.
D. All OSPF routers in totally stubby areas can have type 7 LSAs in their database.
E. All OSPF routers in NSSA areas can have type 3 LSAs in their database.
F. All OSPF routers in NSSA areas can have type 7 LSAs in their database.
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