北师大版选择性必修第一册Unit3 Conservation课时练习题.pdfVIP

Unit3Conservation

SectionⅠTopicTalkLesson1.

SectionⅡLESSON2LESSON3-8-

SectionⅢReadingWriting-12-

SectionⅠTopicTalkLesson1

Ⅰ.单词拼写

1．Theyhavedriventherhinototheedgeofextinction(灭绝)．

2．Plastic(塑料制的)flowershavealwaysbeenaparticularhateofmine.

3．PackicearoundIcelandwasbecomingathreat(威胁)tonavigation.

4．Thelawwouldencouragecompaniestoswitch(转换)fromcoaltocleanerfuels.

5．Peopleareadvisedtosorttheirrubbishtomakeiteasierforthewastetobe

recycled(再利用)．

6．Troopsweresenttotheislandstorestore(恢复)orderlastNovember.

7．Changesinfarmingmethodshavebadlyaffected(影响)employmentinthearea.

8．Thetalkwasbothinformative(知识性强的)andentertaining.

9．Themoneycouldbebetterspentonmoreurgent(紧迫的)cases.

10．Weshouldntblame(责怪)ourselvesforwhathappened.

Ⅱ.阅读理解

A

Mostpeoplecantwaitforspringtoarrive.Itmeansflowersandwarmerweather，

allwelcomechangesfromthedarkwinterdays.Nowweknowthatspringisarriving

soonerintheNorthernHemisphere(北半球)thanitwasinthepast，thankstoastudy

publishedinScientificReports.

Forexample，LosAngelesmayexperiencespringonlyadayearlierthanitdid10

yearsago，butfurthernorth，inSeattleorChicago，springwillarrivefourdaysearlier.If

youlivedintheArctic，springcouldarrive16daysearlierthanitusedto.

Todeterminehowspringtimeisstartingearlier，researcherslookedattemperature

recordsand743earlierstudiesover86years.Thesestudieswereaboutvarious

biologicalindicatorsofspring，includingbirdsmigrating，plantsfloweringand

amphibians(两栖动物)soundingtheirmatingcalls.Researcherst