(Due to) persistent inbreeding, self-pollinating plants (have) genetically more uniform than cross-pollinated plants,(which) har

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问题 (Due to) persistent inbreeding, self-pollinating plants (have) genetically more uniform than cross-pollinated plants,(which) harbor more genetic (variability).

选项 A、Due to
B、have
C、which
D、variability

答案B

解析

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托福（TOEFL）

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(Due to) persistent inbreeding, self-pollinating plants (have) genetically more uniform than cross-pollinated plants,(which) har

托福（TOEFL）

AnswerthequestionsbelowusingNOMORETHANTHREEWORDSfromthepassageforeachanswer.Writeyouranswersinboxes31-33on

Completethesentencesbelow.ChooseNOMORETHANTHREEWORDSfromthepassageforeachanswer.Mostspendinghasa______effect

Completethesummaryusingthelistofwords,A-l,below.Long-termmemoryVariousresearchershaveexam

MorseCodeMorsecodeisbeingreplacedbyanewsatellite-basedsystemforsendingdistresscallsatsea.Itsdotsanddashesh

Youshouldspendabout20minutesonQuestions1-13,whicharebasedonReadingPassage1below.AverybriefhistoryoftimeTh

HistoryofRefrigerationRefrigerationisaprocessofremovingheat,whichmeanscoolinganareaorasubstancebelowthee

HowdesertsareformedA.Adesertreferstoabarrensectionofland,mainlyinaridandsemi-aridareas,wherethereisal

Whichcolumnofthebarchartrepresentsthefiguresquoted?BuyTENSmachine

CompleteMartin’snotes.UseNOMORETHANTHREEWORDSforeachanswer.CommerciallygrownbananaplantEachbananatreeproduc

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