2018_2019学年高中英语module6animalsindanger课下能力提升二十四

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1、Module6课下能力提升（二十四）Ⅰ.阅读理解Livinginthewildcanbehard.Findingfoodandstayingsafearen'teasy.Eachday,animalsstruggletosurviveintheirhabitats.Notallanimalsgetbyontheirown.Someanimalsformaclosepartnershipwithotherkindsofanimals.Thesepairingsarecalledsymbiotic(

2、共生的)relationships.Inasymbioticrelationship,theanimalsdependoneachother.Oneanimalhelpstheothermeetitsneeds.Soundsgood,right?Notalways.Someanimalsarenotverykindtotheirpartners.Insomecases,oneanimalmeetsitsneedsbuthurtsitspartner.Taketicks(壁虱)forexample

3、.Theseinsectssuckbloodtolive.Togetblood,theyattachthemselvestootherkindsofanimals.Tickscanpassgermsthatcausediseaseinsteadofhelpingtheirhosts.Inotherrelationships,animalsdon'ttreattheirpartnerssopoorly.Bothanimalsbenefit,orgethelp,fromlivingwiththeo

4、theranimal.Smallanimalscalledcleanershrimpshavefoundawayofhelpingfishatcoralreefs.Astheirnamesuggests,theshrimpscleanthefish.Theyhangoutatwhatscientistscallacleaningstation.Afishstopsby.Thenashrimpclimbsontothefishandevenstepsintothefish'smouth.Theshr

5、impusesitstinyclawstopickstuffoffthefish'sbody.Thatcanincludedeadskin,tinypiecesoffood,andweecreaturesthatcanhurtthefish.Thefishgetsanicecleaning.Theshrimpenjoysatastymealoffishtrash.Smallbirdscalledploversarealsointhecleaningbusiness.Theyhavebigcust

6、omers,crocodiles.Crocodileshavelongsnouts(口鼻部)filledwithsharpteeth.Cleaningthemistricky.Whenacrocodileopensitsmouth,theploverhopsrightin.Thecrocodiledoesnotsnapitssnoutshut.Instead,itletstheplovereatsmall,harmfulanimalsattachedtoitsteeth.Theplovergets

7、aneasymealwhilethecrocodilegetscleanteeth.1．Thetextismainlyabout________.A．thehardlifeinthewildB．somedangerousanimalsC．animalslivingtogetherD．animalsinasymbioticrelationship解析：选D　主旨大意题。本文主要介绍了生物界的一种共生现象，也就是说生物之间相互依存、相互帮助。故答案选D项。选项C表达语意不准确，表达范围太广。2．Acc

8、ordingtothetext,inasymbioticrelationship,________.A．animalsdependoneachotherB．birdsdependonanimalsforfoodC．bothsidescangethelpD．notallanimalstreattheirpartnerswell解析：选D　推理判断题。由文章第二、三、四段可知，有共生现象的动物中，有的是相互得到帮助，而有的是单方面的。故答案为D项。3．Whenplovershopint