()是指在整个关节运动范围内肌肉以恒定的速度进行的用力收缩,由于收缩速度是恒定的,因此也称为等速收缩。
A、向心收缩
B、等长收缩
C、离心收缩
D、等动收缩
参考答案:D
From the time each of my children started school, I packed their lunches.... Since I was still making
lunch for his younger brother, I one for Marc, too. [ ]
A. packed
B. fetched
C. bought
D. filled
保险合同解释的原则主要是()
A.文义解释
B.图文解释
C.补充解释
D.习惯解释