用指压止血法控制头顶部、额部出血时,需用拇指按压()。
A.尺动脉
B.锁骨下动脉
C.颈总动脉
D.颞浅动脉
E.面动脉
参考答案:D
对设备润滑,按润滑装置位置可分为()润滑。
A.连续和间歇
B.间歇和集中
C.集中和分散
D.分散和连续
A promising note is a written agreement to pay a certain sum of money at some time future .
A.time futures
B.futures
C.futures time
D.future time