脊柱的体表定位标志，与胸骨剑突在同一平面的椎体是A．第10胸椎 B．第11胸椎 C．

A 7-year-old boy is hospitalized with cystic fibrosis. To help him manage secretions and avoid respiratory distress, the nurse should （）.

A．perform chest physiotherapy every 4 hours.

B．give pancreatic enzymes as ordered.

C．place the child in an oxygen tent and have oxygen administered continuously.

D．serve a high-calorie diet.

架空敷设的供热管道安装高度的规定不包括( )。

A．人行地区，不小于2.5m

B．通行车辆地区，不小于3.5m

C．通行车辆地区，不小于4.5m

D．跨越铁路，距轨顶不小于5.5m

E．跨越铁路，距轨顶不小于6m

对于转角杆塔，当为宽横担时，仍按原杆塔中心分坑，将改变原设计角度，应将转角杆塔中心沿（）方向位移一段距离，才是分坑的实际中心。

A.顺线路

B.内角平分线

C.外角平分线

D.横线路