皮皮学，免费搜题
登录
搜题
【单选题】
某工厂在半径为5cm的球形工艺品上镀一层装饰金属厚度为0.01cm,已知装饰金属的原材料为棱长20cm的正方体锭子,则加工10000个该工艺品需要的锭子数最少为(不考虑加工损耗, )( )A.
2
B.
3
C.
4
D.
5
E.
20
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
【简答题】Supply the missing words or phrases in the following paragraphs. Many of the orphans here had mothers killed by 1______. And without their mothers, these baby elephants would not have 2_______________...
【简答题】The boys looked through the window. Some baby elephants _________________ (play) outside.
【简答题】elephants are different from wild elephants?elephants are different from wild elephants in many aspects, including their tempers. A) Civil B) Tame C) Cultivated D) Regula ...
相关题目：