皮皮学，免费搜题
登录
搜题
【单选题】
将半径相同,质量相同的圆环、圆柱和实心球从一个斜面的顶端同时释放,已知它们沿斜面无滑动的沿斜面向下滚动,先到达斜面底部的是( )A.
圆柱
B.
圆环
C.
实心球
D.
同时达到底部
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】Choose the words that need to be capitalized in the following titles. (1) rules to abide by
A.
rules
B.
to
C.
abide
D.
by
【多选题】Choose the words that need to be capitalized in the following titles. 2) rules to abide by
A.
rules
B.
to
C.
abide
D.
by
【简答题】Task 1 The conversation is most probably taking place between a(n) ____1___ and a(n) ___2____. Kate is from ___3____ company. Leo cannot decide between Yangtian and Kaitian ___4______.