【单选题】尺神经损伤后出现患手爪状畸形的机制是()
A.
指深屈肌腱的尺侧半由尺神经供应,尺神经损伤后3、4指深屈肌腱功能障碍出现爪状
B.
示指及中指不呈爪状是因为支配两指的指深屈肌受正中神经支配
C.
主要是因为手内肌的瘫痪,出现掌指关节过伸,指间关节屈曲所致
D.
主要是因为手内肌的损伤,出现掌指关节屈曲,指间关节过伸所致
【单选题】舱内液体很满,测深孔在舱正浮长中尾倾点后部,则船舶____________时可能测不出液面空档高度。 (41872:第十一章_液体散货运输:2298)
【单选题】The North American Catawba Indians of the Southeast and Tlingit of the Northwest both see the rainbow as a kind of bridge between heaven and earth.______
【单选题】Every morning Mrs. Clemens placed a large basin full of water on the window-sill, and as soon as the sun’s rays fell on the water the rainbow appeared as clearly as it had ever done in the fountain, w...
【判断题】非结构粘接主要是指表面粘涂、密封和功能性粘接,典型的非结构胶包括表面粘接用胶粘剂、密封和导电胶粘剂等。
【单选题】闭口系统由初态1分别经过可逆过程a和不可逆过程b到达相同的终态2,则【图片】—— 【图片】