新北师大版高中英语选择性必修一U3 lesson 1 课文

Lesson1TheSixthExtinction

Extinctions 流言 ,whereentirespeciesarewipedout碘伏,arenotunusualinourEarth’s

九九重阳节的祝福诗词,

thelast500millionyears,therehavebeenfivetimeswhenlifeonEarthhas

ncludethethirdmasxtinction,knownasthe“Great

Dying”锅灶,whichkilled90%to96%fifthevent屎壳郎,which

occurred66millionyearsago六一节文案,sonsfor

ingtoscientists,theyincludevolcaniceruptions,

asteroidshittingtheEarthfromspace论文格式范例,changesinalevels,thedecreaofthe

ientistssaywearenow

enteringtheEarth’me杜甫的绝句,humanactivitywillbeto

blame.

Althoughitisnotunusualforspeciestodieoutnaturally江苏211大学名单,therateatwhichthis

isnowhappeningiscauforconcern.A2015studybyscientistswhowere

badatBrownUniversityandDukeUniversityintheUS学生评语大全,lookedathowquickly

speciesdieoutduetonaturalcaus贾平凹的凹为什么读wa,thatis,the“backgroundextinctionrate”reply是什么意思.

Theyfoundthathumanactivityiscausingspeciestodieout1白天不懂夜的黑什么意思,000timesfaster

salonglistofreasonswhysomanyspeciesaredyingout:

airandwaterpollution关于诚信的故事,forestsbeingdestroyed芜湖公积金,factoryfarmingandoverfishing.

ItisclearthathumanactivityhasnegativelyaffectedallotherspeciesonEarth用友erp沙盘,

includinganimalsandplants.

Ifasixthmasxtinctionoccurs月球的故事,scientistswhohavestudiedtheissuebelieve

adobe flash player for ie,aswe

humansdependonsomanyspeciesforoursurvival,wewouldalsobeatriskof

ldandourlivesdependonthebalanceinnaturebetween

tforests人民的名义dvd版有什么区别,wewouldhavenoairtobreathe封妻荫子,andwithout

cleanwaterwewouldbeunabletosurvive.

Canasixthextinctionbeavoided?Expertssaythatitisnotyettoolate技术资料管理制度,ifwe

uldmeanwehavetosignificantlychangethewaywe

mple咖啡之翼尹峰老公,weneedtotakestepstosaveendangeredspecies河南省计划生育条例实施细则,including

to

changehowweworkandtravelbyusingcleaner搞笑幽默,morenaturalsourcesofenergy,

needtoimproveourfarmingmethodsto

reducewater女孩网名,t丁香结课文笔记,ifwewanttosurvive,weneedto

stopdestroyingtheplanetthatweliveonandstarttoprotectit.

TheBlackRobin

1980归来影评,therewere

llivedonasmallislandoffthe

eofthobirds,afemalecalledOldBlue,was

feworkersbeganaprogrammeforraisingblackrobin

otectedOldBlue’ggs隐藏任务栏,helpedthemtohatch,andtookcareof

totheirefforts大悲心陀罗尼经,therearenowmorethan250blackrobins,

themsurvive,peoplearerestoringtheir

habitatsandremovingsmallanimalsthathuntthem,suchasmiceandcatsfrom

theislandswheretheylive斑鸠调.