题目

如图，⊙O的直径AB=12，CD是⊙O的弦，CD⊥AB，垂足为P，且BP：AP=1：5，则CD的长为（ ）A．                          4                           B． 8                    C．   2       D． 4 答案：D．根据句子意思和所给汉语提示、首字母或音标提示完成句子。（7分）1.Her designer clothes were from the pages of a famous fashion______. (杂志)2.The birds are flying in a __________ (晴朗的) sky.3.The father took a pair of __________ (剪刀) and cut her hair.4.You’ll find differences between two _________ (文化) .5.I saw the White House where the P_________ of the USA lives6.They __________ ['fain?li] won the match and the whole class cheered for them.7.National English Proficiency __________(竞赛) is coming. We are looking forward to taking part in it.