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Unit3
Faster,higher,strongerⅠ.阅读理解ⅠⅡⅢⅣARecently,abigchangequietlytookplaceinagriculture.Yetneitherdroughtnorfrostiseveraconcernforgrowersofplantscurrentlygrowninsidelargegreenhouses.Vegetablesareincreasinglybeinggrownindoors,usinganadvancedformofgrowingcalledcontrolledenvironmentagriculture,amethodthathasthepotentialtohelpfeedtheplanet,evenwhileitthreatenstofurtherwarmit.
ⅠⅡⅢⅣControlledenvironmentagriculturehasmanyadvantages.Cropsarenotsubjecttounexpectedextremeweather.Furthermore,thesegreenhousescanproducemorefoodwithfewerpesticidesandlesswater.Withcomputer-controlledtemperaturesandnutrients,theplantsgrowwithlesswaterandproducemuchhigheryields.Aboveall,theproducecanbebredforflavor,insteadoffortolerancetoheat,rainandlong-distancetransport.ⅠⅡⅢⅣThecarbonfootprintofanygivengreenhousetomatocanvaryquiteabitdependingonenergysources,surroundingtemperaturesandnaturallight.Butvariousstudieshaveestimatedthat,onaverage,theproductionofapoundoftomatoesinanAmericanorNorthernEuropeangreenhousereleases3to3.5poundsofcarbonintotheatmosphere.Thatisabout6timesthecarbonfootprintofafieldtomato,eventakingintoaccounttheemissionsfromrefrigeratedtrucksthatoftentransportfieldvegetableshundredsoreventhousandsofmilestoreachconsumers.Greenhouses,bycontrast,canbebuiltnearmajorpopulationcenters.ⅠⅡⅢⅣ【语篇解读】本文是一篇说明文。文章主要介绍了一种新型的农业种植方式——控制环境农业方式,该方法有可能帮助养活地球上的人们,尽管它可能会进一步使地球变暖。ⅠⅡⅢⅣ1.Whatdoestheunderlinedpart“abigchange”inparagraph1referto?A.Therapidincreaseofpopulation.B.Thethreatensofwarmingtheplanet.C.Thewaytodealwithnaturaldisasters.D.Thetendencytogrowvegetablesindoors.ⅠⅡⅢⅣ答案
D
解析
词义猜测题。根据画线词组下文“Yet
neither
drought
nor
frost
is
ever
a
concern
for
growers
of
plants
currently
grown
inside
large
greenhouses.Vegetables
are
increasingly
being
grown
indoors,using
an
advanced
form
of
growing
called
controlled
environment
agriculture,a
method
that
has
the
potential
to
help
feed
the
planet,even
while
it
threatens
to
further
warm
it.”可知,作者所谓的农业发生了重大变化,指的是越来越多的人在室内种植蔬菜。ⅠⅡⅢⅣ2.Whatdoescontrolledenvironmentagriculturemainlyfocuson?A.Makingcropstastegood.B.Plantingcropswithlesswater.C.Growingcropsinextremeweather.D.Transportingcropsfromalongdistance.答案
A
解析
细节理解题。根据文章第二段中的“Above
all,the
produce
can
be
bred
for
flavor,instead
of
for
tolerance
to
heat,rain
and
long-distance
transport.”可知,这种种植方式的重点是为了农产品的风味,也就是为了让这些农产品尝起来更好。ⅠⅡⅢⅣ3.WhatdoweknowaboutAmericangreenhousetomatoes?A.Theyarenothigh-yieldingcrops.B.Theyarenotreallyenvironmentallyfriendly.C.Theyaregrownfarfrompopulationcenters.D.TheyaremainlyexportedtoNorthernEurope.ⅠⅡⅢⅣ答案
B
解析
推理判断题。根据文章第三段中的“But
various
studies
have
estimated
that,on
average,the
production
of
a
pound
of
tomatoes
in
an
American
or
Northern
European
greenhouse
releases
3
to
3.5
pounds
of
carbon
into
the
atmosphere.That
is
about
6
times
the
carbon
footprint
of
a
field
tomato,even
taking
into
account
the
emissions
from
refrigerated
trucks
that
often
transport
field
vegetables
hundreds
or
even
thousands
of
miles
to
reach
consumers.”可知,在美国温室培育西红柿所排放的碳要远比在田间培育西红柿多得多,也就是说它们根本不环保。ⅠⅡⅢⅣ4.Whichofthefollowingstatementsmaytheadvocatesagreewith?A.Greenhouseplantingisanecessarytemporizingmeasure.B.Greenhouseplantingistailoredforsmall-populationnations.C.Greenhouseplantingcanhelpspreadtheideaofhealthyeating.D.Greenhouseplantingshouldbestoppedfromwarmingtheworld.答案
A
解析
推理判断题。根据文章最后一段可知,支持这种种植方式的人认为,即便这种种植方式会排放温室气体,但是为了地球上的人们,这种种植方式是必要的权宜之计。故选A项。ⅠⅡⅢⅣBCivilizationbeganwithagriculture,andthoughhumanityhaschangedsignificantly,agricultureremainsveryimportant.Incertaincountries,itssignificanceismoreapparent,buttherealityisthateverycountryintheworlddependsonagricultureforonethingoranother.Itprovidesemployment.Whetherit’sworkingasafarmer,aharvester,atechnicianforfarmequipmentorascientist,thereareplentyofjobsavailableinthisfield.Indevelopingcountries,agriculturaljobshelpreducehighratesofunemployment.ⅠⅡⅢⅣIt’scrucialtoacountry’sdevelopment.Economicdevelopmentistiedtoacountry’sagriculturalsector.Whentrade,nationalavenue,andemploymentarecombinedinapositiveway,acountryenjoysreducedpovertyandboostedeconomicgrowth.Becausestrongagricultureresultsinbenefitsfairlyquickly,focusingonitisoneofthebestwaystospeedupdevelopmentandimproveacountry’sstandingacrosstheglobe.Itdrivesinnovationintechnology.Becausehealthyagricultureissoessentialtoacountry’swell-being,it’sbeenthesettingofsomeofthemostexcitinginnovationsintechnology.Throughartificialintelligence,blockchainsoftware,andmore,scientistsandfarmershavebeenfiguringoutwaystoⅠⅡⅢⅣincreasecropproductivity,uselesswater,andreducenegativeimpactsontheenvironment.Forscientistsandtechcompanies,agribusinessisoneofthemostfascinatingandproductivefieldstoworkin.It’sthesourceofourfoodsupply.Arguably,themostimportantaspectofagricultureisthatit’sthesourceoftheworld’sfoodsupply.Nomatterwhereorwhatyouareeating,theingredientsinyourmealscomefromsomewhere.Allroadsleadtoagriculture.Incountriesdealingwithfoodinsecurityandseveremalnutrition,theiragriculturalsectorsaresuffering.Whenagriculturethrives(蓬勃发展),fewerpeoplegohungry.ⅠⅡⅢⅣItcanhelphealtheenvironment.Agriculturepossessesthepowertocauseharmorheal.Whenfarmersprioritizebiodiversityontheirland,itbenefitstheearth.Havingmorebiodiversityresultsinhealthiersoil,betterwaterconservation,andhealthierpollinators(传粉者).Allinall,agricultureplaysacriticalroleintheentirelifeofagiveneconomy.Agriculturecultureisthebackboneoftheeconomicsystemofagivencountry.【语篇解读】本文是一篇说明文。农业在一个特定经济体的整个生命周期中起着至关重要的作用,是一个国家经济体系的支柱。文章主要介绍了农业的重要性。ⅠⅡⅢⅣ5.Whatisthetopicofthearticle?A.Civilization. B.Agriculture.C.Economy. D.Environment.答案
B
解析
主旨大意题。通读全文可知,文章第一段“Civilization
began
with
agriculture,and
though
humanity
has
changed
significantly,agriculture
remains
very
important.In
certain
countries,its
significance
is
more
apparent,but
the
reality
is
that
every
country
in
the
world
depends
on
agriculture
for
one
thing
or
another.”指出农业是很重要的,接着第二、三、四、五、六段从不同的方面具体介绍了农业的作用;最后一段对文章进行总结,指出农业的重要地位,由此可知,文章的主题是农业,故选B项。ⅠⅡⅢⅣ6.Whatisexpectedtobeachievedbyusingtechnologyinagriculture?A.Sustainabledevelopment.B.Soundeconomicsystems.C.Lowunemploymentrates.D.Worldwidefoodsecurity.ⅠⅡⅢⅣ答案
A
解析
推理判断题。根据第四段中的“Through
artificial
intelligence,blockchain
software,and
more,scientists
and
farmers
have
been
figuring
out
ways
to
increase
crop
productivity,use
less
water,and
reduce
negative
impacts
on
the
environment.”可知,在农业中使用技术能提高作物产量,减少用水量,并减少对环境的负面影响,由此可推知,将技术应用到农业中有望实现农业的可持续发展。ⅠⅡⅢⅣ7.Whatdoestheauthormeanbyusingtheword“Arguably”inparagraph5?A.Heiscriticalaboutsuchabelief.B.Heisdoubtfulabouttheimportance.C.Heiscertainabouthisstatement.D.Heisconcernedaboutfoodinsecurity.ⅠⅡⅢⅣ答案
C
解析
推理判断题。根据第五段中画线单词所在句子“Arguably,the
most
important
aspect
of
agriculture
is
that
it’s
the
source
of
the
world’s
food
supply.No
matter
where
or
what
you
are
eating,the
ingredients
in
your
meals
come
from
somewhere.All
roads
lead
to
agriculture.”可知,作者论证了农业是我们食物的来源,由此可推知,作者使用“Arguably”这个单词是为了表明对自己的陈述很肯定。ⅠⅡⅢⅣ8.Whatisthetextmainlyabout?A.Thedevelopmentofagriculture.B.Thediversityoffarmproducts.C.Thesignificanceoflandfarming.D.Theoriginofhumancivilization.答案
C
解析
主旨大意题。通读全文,尤其是最后一段“All
in
all,agriculture
plays
a
critical
role
in
the
entire
life
of
a
given
economy.Agriculture
culture
is
the
backbone
of
the
economic
system
of
a
given
country.”可知,文章主要介绍农业的重要性。Ⅱ.七选五ⅠⅡⅢⅣVegan
AgricultureVeganfarming(全素农业)hasbecomemoreandmorepopular.Itisoneofthemostenvironmentally-friendlyformsofagriculture.Veganfarmingisagoodwaytogrowplantssuchasvegetableswithoutusinganimal-derivedmaterialssuchastheirwaste.
1
Suchanapproachtofarmingalsohelpspreservetheenvironmentandregainsoilrichnessandimproveitsbiodiversity.
ⅠⅡⅢⅣ2
Organicfarmingusesnaturalproductstogrowplants—thatcanincludeevenanimalwasteasfertilizers.Ontheotherhand,veganagriculturerejectsanimal-derivedproductsandusuallystickswithplant-basedorganiccompounds,whichmeansthat,ingeneral,veganagriculturehasstricterrulesthanorganicfarming.
Additionally,veganfarmingusuallychoosesmorenaturalwaystoprotecttheplants,likebreakingcyclesofplants’diseaseswithmixedcropping(混作),usingmechanicalbarrierssuchasnets,orevenattractingopposingorganismstofighttheharmfulones.
3
However,theymightbelesseffectiveagainstcertainplantdiseasesorpests.
ⅠⅡⅢⅣOneofthereasonstoinvestinveganagricultureisthattheveganwayoffarmingreplacessynthetic(合成的)pesticidesandusesorganicpesticidesorothernon-chemicalmethodstoprotectthecrops.Bycontrast,inconventionalagriculture,syntheticpesticidesareonaveryhighlevel.
4
Inthefuture,itisofgreatsignificancenottorelyonanimals’wasteforfeedingplants.Doingsoisnotonlybeneficialtovegans.
5
Eveniftoday’smethodsofveganagriculturemightnotbeperfect,scientistsworldwide,togetherwithveganfarmers,areworkingtowardsdevelopingplant-basedsolutionsasalternativestoanimal-derivedfertilizers.
ⅠⅡⅢⅣA.Accordingly,theamountofitinfoodproductsismuchhigher.B.Itisapparentthatveganagricultureisnotthesameasanorganicone.C.Intoday’sworld,thevegandietandlifestyleareincreasinglypopular.D.Butit’salsogoodforthewholeworld,includingotheranimalsandplants.E.Thosewaysaffecttheenvironmentlessthanthewaysoftraditionalfarming.F.Theriseofveganismcreatesnewdemandformorevegan-friendlyagriculture.G.Also,veganfarmersarefarfromapplyingsyntheticfertilizers.ⅠⅡⅢⅣ答案及解析
【语篇解读】本文是一篇说明文。介绍了全素农业的优势。1.G
由设空处前一句“Vegan
farming
is
a
good
way
to
grow
plants
such
as
vegetables
without
using
animal-derived
materials
such
as
their
waste.”和后一句“Such
an
approach
to
farming
also
helps
preserve
the
environment
and
regain
soil
richness
and
improve
its
biodiversity.”可知,设空处仍在说全素农业的好处。G项“Also,vegan
farmers
are
far
from
applying
synthetic
fertilizers.(全素种植者也绝不会使用合成肥料。)”符合题意。ⅠⅡⅢⅣ2.B
本段最后一句“On
the
other
hand,vegan
agriculture
rejects
animal-derived
products
and
usually
sticks
with
plant-based
organic
compounds,which
means
that,in
general,vegan
agriculture
has
stricter
rules
than
organic
farming.”可知,本段在说全素农业与有机农业是不一样的。结合选项,B项“It
is
apparent
that
vegan
agriculture
is
not
the
same
as
an
organic
one.(很明显,全素农业和有机农业是不一样的。)”符合题意。ⅠⅡⅢⅣ3.E
上文“Additionally,vegan
farming
usually
chooses
more
natural
ways
to
protect
the
plants,like
breaking
cycles
of
plants’
diseases
with
mixed
cropping(混作),using
mechanical
barriers
such
as
nets,or
even
attracting
opposing
organisms
to
fight
the
harmful
ones.”介绍全素农业通常选择更自然的方式来保护植物。下文“However,they
might
be
less
effective
against
certain
plant
diseases
or
pests.”介绍这种方法的弊端,且为转折关系。可推知空处应是这种方法的优势。结合选项,E项“Those
ways
affect
the
environment
less
than
the
ways
of
traditional
farming.(那些方式对环境的影响比传统农业方式要小。)”符合语境。ⅠⅡⅢⅣ4.A
上文“By
contrast,in
conventional
agriculture,synthetic
pesticides
are
on
a
very
high
level.”介绍传统农业中合成杀虫剂的使用情况。结合选项,A项“Accordingly,the
amount
of
it
in
food
products
is
much
higher.(因此,它在食品中的含量要高得多。)”与前一句构成顺承关系。5.D
上文“Doing
so
is
not
only
beneficial
to
vegans.”介绍好处。结合选项,D项“But
it’s
also
good
for
the
whole
world,including
other
animals
and
plants.”介绍对于其他一些对象也是有益的。且“not
only...but
also”前后呼应。Ⅲ.语法填空ⅠⅡⅢⅣWhenLinZhanxifirstintroducedmushroomcultivation(培育)totheGobiDesertresidentsofNingxia,hedidn’texpectsuchaphenomenalsuccess.1.
inventorofjuncao,amethodthatusesgrasscuttingsassubstrate(培养基)forgrowingeatableandmedicinalmushrooms,haslongbeencommitted2.
expandingthemethodinpovertyrelief.
Inthe1980s,asaprofessoratFujianAgricultureandForestryUniversity,Linexperimentedwithgrassinsteadoflogstogrowmushroomsbecauselogsweren’t3.
(ready)availableformanyruralhouseholds,whilegrass,4.
leavesandrootscanbeusedforecologicalmanagement,isanessentialmulti-functionalagriculturalresource.In1986,Linmadeit,andsoonhismethod5.
(adopt)by51countiesinFujian.
The
toreadily
whose
wasadoptedⅠⅡⅢⅣWhenjuncaowasmadeakeyprojectinthepairing-offcooperationbetweenFujianandNingxiain1997,Linadvocated6.
(take)advantageofabandonedcavedwellings(窑洞)forgrowingmushroomsinNingxia.Theprojectdoubledthefarmers’yearlyincomethatyear.
Thesuccessmadejuncao7.
(promote)in506China’scountiesanditwasthenintroducedto106developingcountries.Thisworld-famousinnovation8.
(bring)welfaretomillionsofpeoplesofar.WhattouchedLinmostduringhisjourneytoothercountriestohelpdevelopjuncaotechnologywasthataforeignministerevennamedhisdaughterafterjuncaoinhonorofChina’s9.
(assist).
taking
promoted
hasbroughtassistance
ⅠⅡⅢⅣ“IfeelIhaveanewmission10.
(shoulder),evenafterChinawinsitsbattletoreducepoverty.Icanstillforeseetheimportanceofjuncaoinhelpingfarmersbettertheirsituationandimprovingtheecologyandtheenvironmentaroundus,”hesaid.
toshoulder
ⅠⅡⅢⅣ答案及解析
【语篇解读】本文是一篇记叙文。当林占熺第一次向宁夏戈壁滩居民介绍蘑菇种植时,他没有想到会取得如此惊人的成功。菌草技术是一种以草屑为基质种植食用蘑菇和药用蘑菇的方法,其发明者长期以来一直致力于在扶贫中推广这种方法。1.The
考查冠词。此处为特指一种以草屑为基质种植食用蘑菇和药用蘑菇的方法,所以用定冠词。故填The。2.to
考查介词。be
committed
to致力于,故填to。3.readily
考查词性转换。分析句子结构,修饰形容词使用副词。故填readily。ⅠⅡⅢⅣ4.whose
考查定语从句。先行词是grass,设空处在定语从句中作定语,使用whose引导定语从句。5.was
adopted
考查动词的时态和语态。分析句子结构,设空处在句子中作谓语,与主语之间为被动关系,使用被动语态,因句子表达的是发生在过去的动作,使用一般过去时的被动语态。故填was
adopted。6.taking
考查非谓语动词。advocate
doing
sth.主张做某事。故填taking。
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