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Unit 3 Under the sea 【热点话题】(自然)介绍海洋动物：海豚体裁：说明文写作思路：海豚生存地点——海豚的本领——海豚的习性。【美文诵读】 In_the_vast_ocean_live_many_creatures① with_great_ intellectual_and_physical_capacities②.Dolphin is one of those great creatures，whose capacities to think and move at an amazing rate puzzle those who study their behaviors.Dolphins' brain，which is almost the_same_size_as③ that found in the human head，makes them different from all the other sea creatures.Dolphins' babies are born in the water.They can grow up to three and a half meters long.Dolphins use_sound_to_help_them④ find their way，look for their food and talk with each other.Sound is just_like⑤ their eyes and mouths.【学海拾贝】按要求完成或翻在山上有许多野生动物。(模仿①用倒装语序翻译)玛丽是个漂亮的女孩眼睛大大的。(with)这个包与你昨天买的那个一样大。(size)这个男孩用一根棍子在沙地上写下几个字。(use sth.to do sth.)d a stick to_write a few words in the sand. 5．李明就像我的哥哥。(just like) Ⅰ.按要求写出下列单词年刊年鉴；每年的 ．目击者证人目击 ．岸海滨 ．喊声；大叫 ．放弃遗弃抛弃 ．在……对面；相对的相反的 site 7．跳水潜水 ．催促极力主张 ．目标受批评的对象 ．意识到的知道的 生动的鲜艳的生动地鲜艳地生动vividness | 
