A humpback whale breathes air at the surface of the water through two blowholes which are located near the top of head. It blows a double stream of water that can rise up to 4 meters above the water.

　　The humpback has a small dorsal fin located towards the tail flukes about two-thirds of the way down its back. Other distinguishing features include large pectoral fins, which may be up to a third of the body length, and unique black and white spots on the underside of the tail flukes. These markings are like fingerprints:　no two are the same.

　　Humpback whales live in large groups. They communicate with each other through complex “songs”. Quick Facts

　　Size: 14m—18m in length;

　　30—50 tons in weight

　　Living

　　environment: Open ocean and shallow coastline waters

　　Migration: From warm tropical(热带的)waters, where they breed, to cold polar waters, where they eat

　　Diet: Shellfish, plants and fish of small size

　　Hunting: Sometimes in groups, in which several whales form a circle under the water, blowing bubbles that form a “net” around a school of fish. The fish are then forced up to the surface in a concentrated mass.

　　Current

　　state: Endangered:　it is estimated that there are about 5000—7500 humpback whales worldwide.

　　1. According to Quick Facts, a humpback whale　.　

【2016届高考英语二轮复习阅读理解一百四十集选练：（126）】相关文章：

★ 【北京专用】2014届高考英语一轮复习方案课时作业：选修6 Unit 3 A healthy life

★ 四川省2016届高考英语一轮复习课时作业（36） Module 6 War and Peacel 外研版选修6

★ 2017届高考英语二轮复习大题冲关秘籍语法填空：体验真题（含解析）

★ 备战2016高考一轮英语复习必须要依托课本

★ 【课堂新坐标】2017届高考英语（通用版）二轮复习书面表达专题训练：Ⅱ卷强化增分练 训练1（含解析）

★ 2016高考英语听力提升素材

★ 2017届高考英语（江苏专用）二轮复习高考单词5大记忆法课件：4.联想记忆法

★ 2016年高考英语第二轮复习如何才能快速提分

★ 四川省2016届高考英语一轮复习课时作业（41） Module 5 Ethnic Culture 外研版选修8

★ 2014届高考英语一轮复习课时作业(三十七)选修7Module 1《Basketball》（外研版）