强直
参考答案:
或称僵直,是指在肢体运动的全范围中,原动、拮抗肌群同时收缩,对被动牵张的阻抗增高,它与运动速度无关。
离子交换树脂合成时通常所用交联剂为()。
We give dogs time, space and love we can spare, and ________, dogs give us their all. [ ]
A. in all
B. in fact
C. in short
D. in return