There is no difference between high school life and college life.
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At college, we should rely on ourselves and play online games all the day.
A. 对
B. 错
We have to learn how to get along with our classmates and roommates at college.
A. 对
B. 错
College life is a great time to figure out not only who you are, but who you want to be.
A. 对
B. 错
双作用叶片泵配流盘上的三角槽是为使()。
A. 叶片底部和顶部的液体压力相互平衡
B. 油液从吸油区进入压油区时,避免压力突变,减少流量脉动
C. 转子和叶片能自由旋转,使它们与配流盘之间保持一定的间隙
D. 叶片在转子槽中作径向运动时速度没有突变,而减小叶片泵的冲击
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