已知圆O在平面α内,PO⊥平面α,A在圆O上,如果圆O的周长与PA长之比为π,那 发布时间:2017-05-16 03:16 │ 来源:www.tikuol.com 题型:选择题 问题: 已知圆O在平面α内,PO⊥平面α,A在圆O上,如果圆O的周长与PA长之比为π,那么AP与平面α所成角[ ]A.30° B.45° C.60° D.90°
题型:选择题 根据要求完成句子。1. hat, his, have, sister, does, a, red (连词成句) _________________?2. What can I do for you? (改为同义句) Can I _____ _____?3. What's the price of this ruler? (改为同义句) _____ _____ is this ruler?4. Can I look at this photo? (改为同义句) Can I _____ a _____ _____ this photo?5. Mrs Green sells two books to Paul. (改为同义句) Paul _____ two books _____ Mrs Green. 查看答案