在综合录井资料解释中，当资料出现异常时，应先检查排除地面因素，再确定是否为井下异常。（）
参考答案：对
肌肉收缩的长度-张力关系是指肌肉收缩前的初长度对肌肉收缩时产生的张力影响。
If the coxswain of your lifeboat gives the command HOLD WATER you should（）.
A.complete the stroke，raise your oar slightly，swinging the oar slightly forward，and place it in the boat
B.lift the oar in a vertical position
C.complete the stroke and hold the oar out of the water
D.dip the blade of your oar into the water vertically and hold it perpendicular to the keel line
