用QJ23型直流单壁电桥测量500Ω的电阻时,电桥比例臂应选择在()档位置。
A、×0.001;
B、×0.01;
C、×0.1;
D、×1。
参考答案:C
One day while a girl was walking in the woods she found two starving songbirds. She took them home and put them in a small (31) . She cared for them and felt great love for them.
Once the (32) and per of the two birds flew from the cage. Therefore, (33) he flew close, she grasped him (34) . She felt glad, but suddenly she felt the bird go limp. She opened her hand and (35) in horror at the dead bird.
She noticed the other bird moving back and forth on the edge of the cage. She could feel his great need for (36) . She lifted him from the cage and (37) him softly into the air. The bird circled once, twice, three times.
The girl watched delightedly at the bird’ s enjoyment. Her heart was no longer (38) with her loss. Suddenly the bird flew closer and (39) softly on her shoulder. It sang the sweetest melody that she had ever heard.
The fastest way to (40) love is to hold on it too tightly, while the best way to keep love is to give it WINGS!
(33)()
A.landed
B.sat
C.slept
D.stood
3~6岁患儿,髋臼指数小于45°,诊断为先天性髋脱位,治疗实施( )
A.全麻下手法闭合复位,髋人字石膏固定B.股骨近端旋转截胃术C.髋关节支具固定D.Salter骨盆截骨术E.Pemberton髋臼成形术