跟踪导练(一)

• 来源期刊: 时代英语：高二版
• 学科: 教育
• 关键词: LISTENING THINGS HONEY surroundings DRINK BIRDS suddenly OFFICIAL bones morethan
• 年，卷（期）: sdyygeb_2015,（1）
• 页码范围: 22-24
• 页数: 3页
• 分类号: G634.41

摘要

【正】阅读地带A There are about 1,200 species of bats in the world,Swartz says.Some eat fruit.Others eat insects or honey.And just a few drink blood.Some bats use their eyes to see where things are.Others collect information about their surroundings by bouncing sound off objects and listening to the echoes(回声).But what all bats have in common(other than being the