侧向运动试验是检查（）损伤的重要方法。
A、膝关节半月板
B、膝关节侧副韧带
C、十字韧带
D、髌骨劳损
参考答案：B
Qian Xuesen is known as China's "father of space technology" and "king and rockets".
He died _____ October 21 at the age of 98. [ ]
A. in
B. on
C. at
D. of
在下列指标中，属于反映企业营运能力的指标有( )。
A．总资产周转率
B．流动资产周转率
C．速动比率
D．存货周转率
E．资本积累率
