下列有关课内散文内容的表述，理解有误的一项是（    ）

已知：如图，AB是⊙O的直径，弦EF⊥AB于点D，如果EF=8，AD=2，则⊙O半径的长是____ 。

补写出下列名篇名句中的空缺部分。

1909年，上海的一位管家给在外地的男主人打电话。下列通话内容有可能出现的是（    ）

根据汉语提示，完成句子。每空一词。
(1)I prefer to receive a gift that has some ____ (心思) behind it.
(2)The old lady____  (在…旁边) my mother is my grandmother.
(3)Henry is____  (想知道) how his mother made so many dishes in such a short time.
(4)People in Colombia are pretty____  (放松的) about time.
(5)The dress was ____  (专门地) designed by the famous fashion designer.
(6)Now he gets up early in the morning and never ____  (猛冲) to school.