汽车在曲线上行驶时的横向稳定性包括横向倾覆稳定性和横向()稳定性。
参考答案:滑移
下列现象是数学中的平移的是( )
A.秋天的树叶从树上随风飘落
B.电梯由一楼升到顶楼
C.DVD片在光驱中运行
D.“神舟”六号宇宙飞船绕地球运动
I'd like _____ history, but my brother enjoys _____ sports. [ ]
A. reading, reading
B. to read, reading
C. to read, to read
D. reading, to read