八年级英语上册阅读理解知识点归纳与练习Word格式文档下载.docx
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八年级英语上册阅读理解知识点归纳与练习Word格式文档下载.docx
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Assummerendsandautumncomes,thedaysgetshorterandshorter,andtrees"
know"
tobegingettingreadyforwinter.Duringwinter,thereisnotenoughlightorwaterforphotosynthesis.Treesrestduringthistimeandliveonthefoodtheystoreduringthesummer.Theybegintoshutdowntheirfood﹣makingfactories.Asthegreenchlorophylldisappearsfromtheleaves,webegintoseeyellowandorangeleaves.Thesecolorshavebeenintheleavesallthetime.Wejustcan'
tseetheminthesummer,becausetheyarecoveredupbythegreenchlorophyll.
Thebrightredsandpurplesweseeinleavesaremademostlyinautumn.Insometrees,glucoseiscaughtintheleavesafterphotosynthesisstops.Sunlightandthecoolnightsofautumnturnthisglucoseintoaredcolor.Thebrowncoloroftreesismadefromwasteleftintheleaves.Itismixtureofallthesethings.Itmakesthebeautifulleavesduringautumn.
(1)Theunderlineword"
chlorophyll"
inthepassagemeans
inChinese.
A.
胡萝卜素
B.
叶绿素
C.
维生素
D.
花青素
(2)Whentheyrestinwinter,treesliveonthefoodtheystoreduringthe
.
summer
autumn
winter
spring
(3)Plantsusesunlighttoturn
intosugar.
waterandchlorophyll
waterandCO2
CO2andglucose
waterandglucose
(4)What'
sthemainideaofthispassage?
What'
sphotosynthesis?
Howandwhyleaveschangecolors?
Differentkindsofleaves.
Howtheseasonschange.
【答案】
(1)B
(2)A
(3)B
(4)B
【解析】【分析】主要讲了叶子怎样变色及为什么变色。
(1)推断题。
根据Chlorophyllhelpsphotosynthesis.Itgivesplantstheirgreencolor.Chlorophyll有助于光合作用,它赋予植物绿色,故选B。
(2)细节题。
根据Treesrestduringthistimeandliveonthefoodtheystoreduringthesummer.树木在这段时间休息,并以在夏季储存的食物为生,故选A。
(3)细节题。
根据PlantsusingsunlighttoturnwaterandCO2intosugariscalledphotosynthesis(光合作用),植物使用阳光将水和二氧化碳转化为糖称为光合作用,故选B。
(4)主旨题。
根据Haveyoueverwonderedhowandwhyafallleafchangescolor?
Wefirsthavetounderstandwhatleavesareandwhattheydo.你有没有想过秋天叶子变色的方式和原因?
我们首先要了解叶子是什么以及它们做了什么,故选B。
【点评】考查阅读理解。
本文涉及细节题、推断题和主旨题三种常考题型,细节题要注意从文中寻找答案;
推断题需要联系上下文,推断出需要的信息;
主旨题需要通读全文,了解大意之后找出中心思想。
2.阅读理解
WhenIwasaboy,Ihadabigappetite(胃口).Iwasluckyenoughtohavemygrandma,becauseshealwayscookeddeliciousfoodforme.Atthattime,Ilivedatschoollcouldonlygobackhomeonvacation.ButwheneverIgotthechancetogobackhome,Iwouldliketostayinmygrandma'
shome.
Whenmygrandmacookedinthekitchen,Iwouldliketohelpher.Ihelpedherwashvegetables,cleandishesandsoon.Thenlsetthetableandwaitedforhertoeattogether.Itwasreallyawarmmemoryforme.
Mygrandmaalwaystriedtocreatenewdishes.Everytimeaftershecookedanewdish,shewouldletmetryfirst.Thenshewouldwaitformycommentsforthedish.AfterItoldherhowIlikedthedish,shewouldwritedownsomenotesonasmallnotebook.
WhenIgrewup,Iwenttoanothercitytowork.AlthoughItriedalotoffoodinmanyexpensiverestaurants,inmyeyes,mygrandmawasthebestcookintheworld.
(1)Whydidthewritersayhewasluckyenough?
Becausehehadabigappetite.
Becauseheworkedinanothercitywhenhegrewup.
Becausehisgrandmaalwayscookeddeliciousfoodforhim.
Becausehisgrandmahelpedhimwithhisstudies.
(2)Whatisthesecondparagraphmainlyabout?
Howthewriterhelpedhisgrandmacook.
Whythewriteralwaysatewithhisgrandma.
Wilythewriterlikedtosetthetable.
Whythewriterlikedtocleandishes.
(3)Theunderlinedword"
comments"
inthepassagemeans"
"
协助
品尝
赞助
评论
(4)WhichofthefollowingisNOTtrueaccordingtothepassage?
Thewriterlivedatschoolwhenhewasaboy.
Thewriterstilllikedhisgrandma'
sdishesverymuchwhenhegrewup.
Thewriterneverwenttotheexpensiverestaurantstotryfood.
Thewriterlikedtostaywithhisgrandmawhenhewentbackhomefr
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