初中英语人教版七年级下册Unit 5 ppt.ppt

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1、Let’ssavetheanimalsingreatdangerAnimalsareingreatdangerNowadays,therearemoreandmoreendangeredanimals.Someofthemevendieout.Doesithaveanythingwithourhumanbeings?Shouldourhumanbeingsdoanythingtostopit?Theanswertothesequestionsis"Yes."WhathumanshavedoneInordertodeve

2、lopmorefarmland,housingorindustrialparks,peoplecutdownsomanytrees,somewildanimalsarelosingtheirhomes.Thenatureisachain.Evenonesmallpartdisappears,itwilleffectalltheotherparts,includingourhumanbeings.Asourlifegetsbetterandbetter,thepollutionisgettingmoreandmorese

3、rious.Becauseofthepollution,somekindsofanimalsdie.Soweshouldtrytokeeptheriversclean.Somepeoplehuntanimalsformeat,feather,funorsomething.Factsandfigures由于人类的破坏及栖息地的失去等因素导致地球上濒临灭绝生物的名单正在以惊人的速度在扩大。工业社会之前，鸟类平均每300年灭绝一种，兽类平均每8000年灭绝一种。但自从工业社会以来，地球物种的灭绝速度已经超过了自然灭绝率的10

4、00倍。现在每小时就有3个物种在地球上消失。全世界1/4的哺乳动物，1/9的鸟类，1/5的爬行动物，1/4的两栖动物，1/3的鱼类都濒临灭绝。所以保护濒危动物是我们每个人的责任。小嘴狐猴苏门答腊虎僧海豹斯比科斯鹦鹉犀牛白鳍豚奥里诺科鳄鱼大熊猫兰坎皮海龟Howtoprotecttheanimals?1.Don’tcutdowntreesandforest.2.Reducepollution,especiallywaterpollution,airpollutionandsoon.3.Don’thuntandkillani

5、malsforfoodorfur.4.Don’tbuyanyproductsmadeofanimalparts,suchasivory.5.Setupthenaturalprotectionzones.6.MakelawstopunishthosepeopleseverelywhokilltheendangeredanimalsHumansandanimalsareequalinthesameworld,weshouldgetalongwellwiththem.Thankyou