听力场景词汇配套练习-第11课-学术场景（科学2）.docx

学术场景（科学2）

Matchthesewordswiththecorrectdefinitions配对正确的单词含义

WORDS

DEFINITIONS

hibernation

thecuttingdownoftreesinalargearea,orthedestructionofforestsbypeople

parasite

B.toincreasealotandsuddenlyinnumber

vulnerable

C.apoisonoussubstance,especiallyoneproducedbybacteria,thatcausesdisease

composition

D.tohavesexandproduceyoung,ortomakeanimalsdothis

deforestation

E.thestateofbeingasleepforthewinter

toxin

F.abletobeeasilyphysically,emotionally,ormentallyhurt,influenced,orattacked

proliferate

G.theparts,substances,etc.thatsomethingismadeof

(8)mate

H.ananimalorplantthatlivesonorinanotheranimalorplantofadifferenttypeandfeedsfromit

Choosethecorrectoptionstocompletethesesentences选择正确的选项来完成句子

Thereproductionamongthosebirdshasbeendisappointinglylow,becausetheyspendalongtimetofindasecureplaceto___________theireggs.

A.dieoutB.ingestC.hatchout

Oneintenblackbearsisactuallybornwithawhitecoat,whichistheresultofaspecial____________intheblackbearfamily.

A.compositionB.geneC.foodchain

Fishingwithnolegallimithasmadethewhitedolphinsan____________species.

A.infectB.insectC.endangered

Asanimalseattheirfood,theywillleavetheskinandbonesontheforestfloor,whichprovidesvital____________toothertypesoflifeforms.

A.nutrientB.predatorC.reproduction

Ifthoseanimalslivenearpollution,theyaremorelikelytobe_____________seriousoreven_____________diseases.

A.infected,massiveB.infected,fatalC.ingested,fatal

Anotherdangertotheir____________isn’tweatheratall,butisman-made—quitealargenumberoflizardsarekilledbycars.

A.threatB.survivalC.migration

Listenandcompletethesesentences.听听力来完成这些句子填