液压传动履带行走装置，当两个履带油马达旋转方向相反时，就会（）。
A.向左转
B.向右转
C.原地转弯
D.不动
参考答案：C
弹性导靴
Buying the textbooks for his courses, paying his tuition, and renting a locker took most all the money he had saved from his summer job．He got only little money in his pocket now.
