1 . Physical activities reduce the risk of dying from influenza by 48%, according to a study p____________ on Tuesday in the British Journal of Sports Medicine. (根据首字母单词拼写)

2 . 这些是专为小学生准备的儿童读物。(过去分词作定语;intend)(汉译英)

3 . On the top of the hill, you can get a good view of miles of white sand beach ____________ (镶边) by palm trees and tropical flowers. (根据汉语提示单词拼写)